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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 22:11:14 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 22:11:14 +0300
commit8b53c76533aa4356602aea98f98a2f3b4051464c (patch)
treeab10ba58e21501407f8108a6bb9003daa2176962 /lib
parent6cfae0c26b21dce323fe8799b66cf4bc996e3565 (diff)
parent9575d1a5c0780ea26ff8dd29c94a32be32ce3c85 (diff)
downloadlinux-8b53c76533aa4356602aea98f98a2f3b4051464c.tar.xz
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Add the ability to abort a skcipher walk. Algorithms: - Fix XTS to actually do the stealing. - Add library helpers for AES and DES for single-block users. - Add library helpers for SHA256. - Add new DES key verification helper. - Add surrounding bits for ESSIV generator. - Add accelerations for aegis128. - Add test vectors for lzo-rle. Drivers: - Add i.MX8MQ support to caam. - Add gcm/ccm/cfb/ofb aes support in inside-secure. - Add ofb/cfb aes support in media-tek. - Add HiSilicon ZIP accelerator support. Others: - Fix potential race condition in padata. - Use unbound workqueues in padata" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (311 commits) crypto: caam - Cast to long first before pointer conversion crypto: ccree - enable CTS support in AES-XTS crypto: inside-secure - Probe transform record cache RAM sizes crypto: inside-secure - Base RD fetchcount on actual RD FIFO size crypto: inside-secure - Base CD fetchcount on actual CD FIFO size crypto: inside-secure - Enable extended algorithms on newer HW crypto: inside-secure: Corrected configuration of EIP96_TOKEN_CTRL crypto: inside-secure - Add EIP97/EIP197 and endianness detection padata: remove cpu_index from the parallel_queue padata: unbind parallel jobs from specific CPUs padata: use separate workqueues for parallel and serial work padata, pcrypt: take CPU hotplug lock internally in padata_alloc_possible crypto: pcrypt - remove padata cpumask notifier padata: make padata_do_parallel find alternate callback CPU workqueue: require CPU hotplug read exclusion for apply_workqueue_attrs workqueue: unconfine alloc/apply/free_workqueue_attrs() padata: allocate workqueue internally arm64: dts: imx8mq: Add CAAM node random: Use wait_event_freezable() in add_hwgenerator_randomness() crypto: ux500 - Fix COMPILE_TEST warnings ...
Diffstat (limited to 'lib')
-rw-r--r--lib/crypto/Makefile9
-rw-r--r--lib/crypto/aes.c356
-rw-r--r--lib/crypto/des.c902
-rw-r--r--lib/crypto/sha256.c (renamed from lib/sha256.c)150
-rw-r--r--lib/mpi/longlong.h36
5 files changed, 1347 insertions, 106 deletions
diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile
index 88195c34932d..cbe0b6a6450d 100644
--- a/lib/crypto/Makefile
+++ b/lib/crypto/Makefile
@@ -1,4 +1,13 @@
# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CRYPTO_LIB_AES) += libaes.o
+libaes-y := aes.o
+
obj-$(CONFIG_CRYPTO_LIB_ARC4) += libarc4.o
libarc4-y := arc4.o
+
+obj-$(CONFIG_CRYPTO_LIB_DES) += libdes.o
+libdes-y := des.o
+
+obj-$(CONFIG_CRYPTO_LIB_SHA256) += libsha256.o
+libsha256-y := sha256.o
diff --git a/lib/crypto/aes.c b/lib/crypto/aes.c
new file mode 100644
index 000000000000..827fe89922ff
--- /dev/null
+++ b/lib/crypto/aes.c
@@ -0,0 +1,356 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017-2019 Linaro Ltd <ard.biesheuvel@linaro.org>
+ */
+
+#include <crypto/aes.h>
+#include <linux/crypto.h>
+#include <linux/module.h>
+#include <asm/unaligned.h>
+
+/*
+ * Emit the sbox as volatile const to prevent the compiler from doing
+ * constant folding on sbox references involving fixed indexes.
+ */
+static volatile const u8 __cacheline_aligned aes_sbox[] = {
+ 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
+ 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
+ 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
+ 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
+ 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
+ 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
+ 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
+ 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
+ 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
+ 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
+ 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
+ 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
+ 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
+ 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
+ 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
+ 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
+ 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
+ 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
+ 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
+ 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
+ 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
+ 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
+ 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
+ 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
+ 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
+ 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
+ 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
+ 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
+ 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
+ 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
+ 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
+ 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16,
+};
+
+static volatile const u8 __cacheline_aligned aes_inv_sbox[] = {
+ 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38,
+ 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
+ 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
+ 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
+ 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d,
+ 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
+ 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2,
+ 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
+ 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,
+ 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
+ 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda,
+ 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
+ 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a,
+ 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
+ 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,
+ 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
+ 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea,
+ 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
+ 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85,
+ 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
+ 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,
+ 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
+ 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20,
+ 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
+ 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31,
+ 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
+ 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,
+ 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
+ 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0,
+ 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
+ 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26,
+ 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d,
+};
+
+extern const u8 crypto_aes_sbox[256] __alias(aes_sbox);
+extern const u8 crypto_aes_inv_sbox[256] __alias(aes_inv_sbox);
+
+EXPORT_SYMBOL(crypto_aes_sbox);
+EXPORT_SYMBOL(crypto_aes_inv_sbox);
+
+static u32 mul_by_x(u32 w)
+{
+ u32 x = w & 0x7f7f7f7f;
+ u32 y = w & 0x80808080;
+
+ /* multiply by polynomial 'x' (0b10) in GF(2^8) */
+ return (x << 1) ^ (y >> 7) * 0x1b;
+}
+
+static u32 mul_by_x2(u32 w)
+{
+ u32 x = w & 0x3f3f3f3f;
+ u32 y = w & 0x80808080;
+ u32 z = w & 0x40404040;
+
+ /* multiply by polynomial 'x^2' (0b100) in GF(2^8) */
+ return (x << 2) ^ (y >> 7) * 0x36 ^ (z >> 6) * 0x1b;
+}
+
+static u32 mix_columns(u32 x)
+{
+ /*
+ * Perform the following matrix multiplication in GF(2^8)
+ *
+ * | 0x2 0x3 0x1 0x1 | | x[0] |
+ * | 0x1 0x2 0x3 0x1 | | x[1] |
+ * | 0x1 0x1 0x2 0x3 | x | x[2] |
+ * | 0x3 0x1 0x1 0x2 | | x[3] |
+ */
+ u32 y = mul_by_x(x) ^ ror32(x, 16);
+
+ return y ^ ror32(x ^ y, 8);
+}
+
+static u32 inv_mix_columns(u32 x)
+{
+ /*
+ * Perform the following matrix multiplication in GF(2^8)
+ *
+ * | 0xe 0xb 0xd 0x9 | | x[0] |
+ * | 0x9 0xe 0xb 0xd | | x[1] |
+ * | 0xd 0x9 0xe 0xb | x | x[2] |
+ * | 0xb 0xd 0x9 0xe | | x[3] |
+ *
+ * which can conveniently be reduced to
+ *
+ * | 0x2 0x3 0x1 0x1 | | 0x5 0x0 0x4 0x0 | | x[0] |
+ * | 0x1 0x2 0x3 0x1 | | 0x0 0x5 0x0 0x4 | | x[1] |
+ * | 0x1 0x1 0x2 0x3 | x | 0x4 0x0 0x5 0x0 | x | x[2] |
+ * | 0x3 0x1 0x1 0x2 | | 0x0 0x4 0x0 0x5 | | x[3] |
+ */
+ u32 y = mul_by_x2(x);
+
+ return mix_columns(x ^ y ^ ror32(y, 16));
+}
+
+static __always_inline u32 subshift(u32 in[], int pos)
+{
+ return (aes_sbox[in[pos] & 0xff]) ^
+ (aes_sbox[(in[(pos + 1) % 4] >> 8) & 0xff] << 8) ^
+ (aes_sbox[(in[(pos + 2) % 4] >> 16) & 0xff] << 16) ^
+ (aes_sbox[(in[(pos + 3) % 4] >> 24) & 0xff] << 24);
+}
+
+static __always_inline u32 inv_subshift(u32 in[], int pos)
+{
+ return (aes_inv_sbox[in[pos] & 0xff]) ^
+ (aes_inv_sbox[(in[(pos + 3) % 4] >> 8) & 0xff] << 8) ^
+ (aes_inv_sbox[(in[(pos + 2) % 4] >> 16) & 0xff] << 16) ^
+ (aes_inv_sbox[(in[(pos + 1) % 4] >> 24) & 0xff] << 24);
+}
+
+static u32 subw(u32 in)
+{
+ return (aes_sbox[in & 0xff]) ^
+ (aes_sbox[(in >> 8) & 0xff] << 8) ^
+ (aes_sbox[(in >> 16) & 0xff] << 16) ^
+ (aes_sbox[(in >> 24) & 0xff] << 24);
+}
+
+/**
+ * aes_expandkey - Expands the AES key as described in FIPS-197
+ * @ctx: The location where the computed key will be stored.
+ * @in_key: The supplied key.
+ * @key_len: The length of the supplied key.
+ *
+ * Returns 0 on success. The function fails only if an invalid key size (or
+ * pointer) is supplied.
+ * The expanded key size is 240 bytes (max of 14 rounds with a unique 16 bytes
+ * key schedule plus a 16 bytes key which is used before the first round).
+ * The decryption key is prepared for the "Equivalent Inverse Cipher" as
+ * described in FIPS-197. The first slot (16 bytes) of each key (enc or dec) is
+ * for the initial combination, the second slot for the first round and so on.
+ */
+int aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key,
+ unsigned int key_len)
+{
+ u32 kwords = key_len / sizeof(u32);
+ u32 rc, i, j;
+ int err;
+
+ err = aes_check_keylen(key_len);
+ if (err)
+ return err;
+
+ ctx->key_length = key_len;
+
+ for (i = 0; i < kwords; i++)
+ ctx->key_enc[i] = get_unaligned_le32(in_key + i * sizeof(u32));
+
+ for (i = 0, rc = 1; i < 10; i++, rc = mul_by_x(rc)) {
+ u32 *rki = ctx->key_enc + (i * kwords);
+ u32 *rko = rki + kwords;
+
+ rko[0] = ror32(subw(rki[kwords - 1]), 8) ^ rc ^ rki[0];
+ rko[1] = rko[0] ^ rki[1];
+ rko[2] = rko[1] ^ rki[2];
+ rko[3] = rko[2] ^ rki[3];
+
+ if (key_len == AES_KEYSIZE_192) {
+ if (i >= 7)
+ break;
+ rko[4] = rko[3] ^ rki[4];
+ rko[5] = rko[4] ^ rki[5];
+ } else if (key_len == AES_KEYSIZE_256) {
+ if (i >= 6)
+ break;
+ rko[4] = subw(rko[3]) ^ rki[4];
+ rko[5] = rko[4] ^ rki[5];
+ rko[6] = rko[5] ^ rki[6];
+ rko[7] = rko[6] ^ rki[7];
+ }
+ }
+
+ /*
+ * Generate the decryption keys for the Equivalent Inverse Cipher.
+ * This involves reversing the order of the round keys, and applying
+ * the Inverse Mix Columns transformation to all but the first and
+ * the last one.
+ */
+ ctx->key_dec[0] = ctx->key_enc[key_len + 24];
+ ctx->key_dec[1] = ctx->key_enc[key_len + 25];
+ ctx->key_dec[2] = ctx->key_enc[key_len + 26];
+ ctx->key_dec[3] = ctx->key_enc[key_len + 27];
+
+ for (i = 4, j = key_len + 20; j > 0; i += 4, j -= 4) {
+ ctx->key_dec[i] = inv_mix_columns(ctx->key_enc[j]);
+ ctx->key_dec[i + 1] = inv_mix_columns(ctx->key_enc[j + 1]);
+ ctx->key_dec[i + 2] = inv_mix_columns(ctx->key_enc[j + 2]);
+ ctx->key_dec[i + 3] = inv_mix_columns(ctx->key_enc[j + 3]);
+ }
+
+ ctx->key_dec[i] = ctx->key_enc[0];
+ ctx->key_dec[i + 1] = ctx->key_enc[1];
+ ctx->key_dec[i + 2] = ctx->key_enc[2];
+ ctx->key_dec[i + 3] = ctx->key_enc[3];
+
+ return 0;
+}
+EXPORT_SYMBOL(aes_expandkey);
+
+/**
+ * aes_encrypt - Encrypt a single AES block
+ * @ctx: Context struct containing the key schedule
+ * @out: Buffer to store the ciphertext
+ * @in: Buffer containing the plaintext
+ */
+void aes_encrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in)
+{
+ const u32 *rkp = ctx->key_enc + 4;
+ int rounds = 6 + ctx->key_length / 4;
+ u32 st0[4], st1[4];
+ int round;
+
+ st0[0] = ctx->key_enc[0] ^ get_unaligned_le32(in);
+ st0[1] = ctx->key_enc[1] ^ get_unaligned_le32(in + 4);
+ st0[2] = ctx->key_enc[2] ^ get_unaligned_le32(in + 8);
+ st0[3] = ctx->key_enc[3] ^ get_unaligned_le32(in + 12);
+
+ /*
+ * Force the compiler to emit data independent Sbox references,
+ * by xoring the input with Sbox values that are known to add up
+ * to zero. This pulls the entire Sbox into the D-cache before any
+ * data dependent lookups are done.
+ */
+ st0[0] ^= aes_sbox[ 0] ^ aes_sbox[ 64] ^ aes_sbox[134] ^ aes_sbox[195];
+ st0[1] ^= aes_sbox[16] ^ aes_sbox[ 82] ^ aes_sbox[158] ^ aes_sbox[221];
+ st0[2] ^= aes_sbox[32] ^ aes_sbox[ 96] ^ aes_sbox[160] ^ aes_sbox[234];
+ st0[3] ^= aes_sbox[48] ^ aes_sbox[112] ^ aes_sbox[186] ^ aes_sbox[241];
+
+ for (round = 0;; round += 2, rkp += 8) {
+ st1[0] = mix_columns(subshift(st0, 0)) ^ rkp[0];
+ st1[1] = mix_columns(subshift(st0, 1)) ^ rkp[1];
+ st1[2] = mix_columns(subshift(st0, 2)) ^ rkp[2];
+ st1[3] = mix_columns(subshift(st0, 3)) ^ rkp[3];
+
+ if (round == rounds - 2)
+ break;
+
+ st0[0] = mix_columns(subshift(st1, 0)) ^ rkp[4];
+ st0[1] = mix_columns(subshift(st1, 1)) ^ rkp[5];
+ st0[2] = mix_columns(subshift(st1, 2)) ^ rkp[6];
+ st0[3] = mix_columns(subshift(st1, 3)) ^ rkp[7];
+ }
+
+ put_unaligned_le32(subshift(st1, 0) ^ rkp[4], out);
+ put_unaligned_le32(subshift(st1, 1) ^ rkp[5], out + 4);
+ put_unaligned_le32(subshift(st1, 2) ^ rkp[6], out + 8);
+ put_unaligned_le32(subshift(st1, 3) ^ rkp[7], out + 12);
+}
+EXPORT_SYMBOL(aes_encrypt);
+
+/**
+ * aes_decrypt - Decrypt a single AES block
+ * @ctx: Context struct containing the key schedule
+ * @out: Buffer to store the plaintext
+ * @in: Buffer containing the ciphertext
+ */
+void aes_decrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in)
+{
+ const u32 *rkp = ctx->key_dec + 4;
+ int rounds = 6 + ctx->key_length / 4;
+ u32 st0[4], st1[4];
+ int round;
+
+ st0[0] = ctx->key_dec[0] ^ get_unaligned_le32(in);
+ st0[1] = ctx->key_dec[1] ^ get_unaligned_le32(in + 4);
+ st0[2] = ctx->key_dec[2] ^ get_unaligned_le32(in + 8);
+ st0[3] = ctx->key_dec[3] ^ get_unaligned_le32(in + 12);
+
+ /*
+ * Force the compiler to emit data independent Sbox references,
+ * by xoring the input with Sbox values that are known to add up
+ * to zero. This pulls the entire Sbox into the D-cache before any
+ * data dependent lookups are done.
+ */
+ st0[0] ^= aes_inv_sbox[ 0] ^ aes_inv_sbox[ 64] ^ aes_inv_sbox[129] ^ aes_inv_sbox[200];
+ st0[1] ^= aes_inv_sbox[16] ^ aes_inv_sbox[ 83] ^ aes_inv_sbox[150] ^ aes_inv_sbox[212];
+ st0[2] ^= aes_inv_sbox[32] ^ aes_inv_sbox[ 96] ^ aes_inv_sbox[160] ^ aes_inv_sbox[236];
+ st0[3] ^= aes_inv_sbox[48] ^ aes_inv_sbox[112] ^ aes_inv_sbox[187] ^ aes_inv_sbox[247];
+
+ for (round = 0;; round += 2, rkp += 8) {
+ st1[0] = inv_mix_columns(inv_subshift(st0, 0)) ^ rkp[0];
+ st1[1] = inv_mix_columns(inv_subshift(st0, 1)) ^ rkp[1];
+ st1[2] = inv_mix_columns(inv_subshift(st0, 2)) ^ rkp[2];
+ st1[3] = inv_mix_columns(inv_subshift(st0, 3)) ^ rkp[3];
+
+ if (round == rounds - 2)
+ break;
+
+ st0[0] = inv_mix_columns(inv_subshift(st1, 0)) ^ rkp[4];
+ st0[1] = inv_mix_columns(inv_subshift(st1, 1)) ^ rkp[5];
+ st0[2] = inv_mix_columns(inv_subshift(st1, 2)) ^ rkp[6];
+ st0[3] = inv_mix_columns(inv_subshift(st1, 3)) ^ rkp[7];
+ }
+
+ put_unaligned_le32(inv_subshift(st1, 0) ^ rkp[4], out);
+ put_unaligned_le32(inv_subshift(st1, 1) ^ rkp[5], out + 4);
+ put_unaligned_le32(inv_subshift(st1, 2) ^ rkp[6], out + 8);
+ put_unaligned_le32(inv_subshift(st1, 3) ^ rkp[7], out + 12);
+}
+EXPORT_SYMBOL(aes_decrypt);
+
+MODULE_DESCRIPTION("Generic AES library");
+MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
+MODULE_LICENSE("GPL v2");
diff --git a/lib/crypto/des.c b/lib/crypto/des.c
new file mode 100644
index 000000000000..ef5bb8822aba
--- /dev/null
+++ b/lib/crypto/des.c
@@ -0,0 +1,902 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Cryptographic API.
+ *
+ * DES & Triple DES EDE Cipher Algorithms.
+ *
+ * Copyright (c) 2005 Dag Arne Osvik <da@osvik.no>
+ */
+
+#include <linux/bitops.h>
+#include <linux/compiler.h>
+#include <linux/crypto.h>
+#include <linux/errno.h>
+#include <linux/fips.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <asm/unaligned.h>
+
+#include <crypto/des.h>
+#include <crypto/internal/des.h>
+
+#define ROL(x, r) ((x) = rol32((x), (r)))
+#define ROR(x, r) ((x) = ror32((x), (r)))
+
+/* Lookup tables for key expansion */
+
+static const u8 pc1[256] = {
+ 0x00, 0x00, 0x40, 0x04, 0x10, 0x10, 0x50, 0x14,
+ 0x04, 0x40, 0x44, 0x44, 0x14, 0x50, 0x54, 0x54,
+ 0x02, 0x02, 0x42, 0x06, 0x12, 0x12, 0x52, 0x16,
+ 0x06, 0x42, 0x46, 0x46, 0x16, 0x52, 0x56, 0x56,
+ 0x80, 0x08, 0xc0, 0x0c, 0x90, 0x18, 0xd0, 0x1c,
+ 0x84, 0x48, 0xc4, 0x4c, 0x94, 0x58, 0xd4, 0x5c,
+ 0x82, 0x0a, 0xc2, 0x0e, 0x92, 0x1a, 0xd2, 0x1e,
+ 0x86, 0x4a, 0xc6, 0x4e, 0x96, 0x5a, 0xd6, 0x5e,
+ 0x20, 0x20, 0x60, 0x24, 0x30, 0x30, 0x70, 0x34,
+ 0x24, 0x60, 0x64, 0x64, 0x34, 0x70, 0x74, 0x74,
+ 0x22, 0x22, 0x62, 0x26, 0x32, 0x32, 0x72, 0x36,
+ 0x26, 0x62, 0x66, 0x66, 0x36, 0x72, 0x76, 0x76,
+ 0xa0, 0x28, 0xe0, 0x2c, 0xb0, 0x38, 0xf0, 0x3c,
+ 0xa4, 0x68, 0xe4, 0x6c, 0xb4, 0x78, 0xf4, 0x7c,
+ 0xa2, 0x2a, 0xe2, 0x2e, 0xb2, 0x3a, 0xf2, 0x3e,
+ 0xa6, 0x6a, 0xe6, 0x6e, 0xb6, 0x7a, 0xf6, 0x7e,
+ 0x08, 0x80, 0x48, 0x84, 0x18, 0x90, 0x58, 0x94,
+ 0x0c, 0xc0, 0x4c, 0xc4, 0x1c, 0xd0, 0x5c, 0xd4,
+ 0x0a, 0x82, 0x4a, 0x86, 0x1a, 0x92, 0x5a, 0x96,
+ 0x0e, 0xc2, 0x4e, 0xc6, 0x1e, 0xd2, 0x5e, 0xd6,
+ 0x88, 0x88, 0xc8, 0x8c, 0x98, 0x98, 0xd8, 0x9c,
+ 0x8c, 0xc8, 0xcc, 0xcc, 0x9c, 0xd8, 0xdc, 0xdc,
+ 0x8a, 0x8a, 0xca, 0x8e, 0x9a, 0x9a, 0xda, 0x9e,
+ 0x8e, 0xca, 0xce, 0xce, 0x9e, 0xda, 0xde, 0xde,
+ 0x28, 0xa0, 0x68, 0xa4, 0x38, 0xb0, 0x78, 0xb4,
+ 0x2c, 0xe0, 0x6c, 0xe4, 0x3c, 0xf0, 0x7c, 0xf4,
+ 0x2a, 0xa2, 0x6a, 0xa6, 0x3a, 0xb2, 0x7a, 0xb6,
+ 0x2e, 0xe2, 0x6e, 0xe6, 0x3e, 0xf2, 0x7e, 0xf6,
+ 0xa8, 0xa8, 0xe8, 0xac, 0xb8, 0xb8, 0xf8, 0xbc,
+ 0xac, 0xe8, 0xec, 0xec, 0xbc, 0xf8, 0xfc, 0xfc,
+ 0xaa, 0xaa, 0xea, 0xae, 0xba, 0xba, 0xfa, 0xbe,
+ 0xae, 0xea, 0xee, 0xee, 0xbe, 0xfa, 0xfe, 0xfe
+};
+
+static const u8 rs[256] = {
+ 0x00, 0x00, 0x80, 0x80, 0x02, 0x02, 0x82, 0x82,
+ 0x04, 0x04, 0x84, 0x84, 0x06, 0x06, 0x86, 0x86,
+ 0x08, 0x08, 0x88, 0x88, 0x0a, 0x0a, 0x8a, 0x8a,
+ 0x0c, 0x0c, 0x8c, 0x8c, 0x0e, 0x0e, 0x8e, 0x8e,
+ 0x10, 0x10, 0x90, 0x90, 0x12, 0x12, 0x92, 0x92,
+ 0x14, 0x14, 0x94, 0x94, 0x16, 0x16, 0x96, 0x96,
+ 0x18, 0x18, 0x98, 0x98, 0x1a, 0x1a, 0x9a, 0x9a,
+ 0x1c, 0x1c, 0x9c, 0x9c, 0x1e, 0x1e, 0x9e, 0x9e,
+ 0x20, 0x20, 0xa0, 0xa0, 0x22, 0x22, 0xa2, 0xa2,
+ 0x24, 0x24, 0xa4, 0xa4, 0x26, 0x26, 0xa6, 0xa6,
+ 0x28, 0x28, 0xa8, 0xa8, 0x2a, 0x2a, 0xaa, 0xaa,
+ 0x2c, 0x2c, 0xac, 0xac, 0x2e, 0x2e, 0xae, 0xae,
+ 0x30, 0x30, 0xb0, 0xb0, 0x32, 0x32, 0xb2, 0xb2,
+ 0x34, 0x34, 0xb4, 0xb4, 0x36, 0x36, 0xb6, 0xb6,
+ 0x38, 0x38, 0xb8, 0xb8, 0x3a, 0x3a, 0xba, 0xba,
+ 0x3c, 0x3c, 0xbc, 0xbc, 0x3e, 0x3e, 0xbe, 0xbe,
+ 0x40, 0x40, 0xc0, 0xc0, 0x42, 0x42, 0xc2, 0xc2,
+ 0x44, 0x44, 0xc4, 0xc4, 0x46, 0x46, 0xc6, 0xc6,
+ 0x48, 0x48, 0xc8, 0xc8, 0x4a, 0x4a, 0xca, 0xca,
+ 0x4c, 0x4c, 0xcc, 0xcc, 0x4e, 0x4e, 0xce, 0xce,
+ 0x50, 0x50, 0xd0, 0xd0, 0x52, 0x52, 0xd2, 0xd2,
+ 0x54, 0x54, 0xd4, 0xd4, 0x56, 0x56, 0xd6, 0xd6,
+ 0x58, 0x58, 0xd8, 0xd8, 0x5a, 0x5a, 0xda, 0xda,
+ 0x5c, 0x5c, 0xdc, 0xdc, 0x5e, 0x5e, 0xde, 0xde,
+ 0x60, 0x60, 0xe0, 0xe0, 0x62, 0x62, 0xe2, 0xe2,
+ 0x64, 0x64, 0xe4, 0xe4, 0x66, 0x66, 0xe6, 0xe6,
+ 0x68, 0x68, 0xe8, 0xe8, 0x6a, 0x6a, 0xea, 0xea,
+ 0x6c, 0x6c, 0xec, 0xec, 0x6e, 0x6e, 0xee, 0xee,
+ 0x70, 0x70, 0xf0, 0xf0, 0x72, 0x72, 0xf2, 0xf2,
+ 0x74, 0x74, 0xf4, 0xf4, 0x76, 0x76, 0xf6, 0xf6,
+ 0x78, 0x78, 0xf8, 0xf8, 0x7a, 0x7a, 0xfa, 0xfa,
+ 0x7c, 0x7c, 0xfc, 0xfc, 0x7e, 0x7e, 0xfe, 0xfe
+};
+
+static const u32 pc2[1024] = {
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00040000, 0x00000000, 0x04000000, 0x00100000,
+ 0x00400000, 0x00000008, 0x00000800, 0x40000000,
+ 0x00440000, 0x00000008, 0x04000800, 0x40100000,
+ 0x00000400, 0x00000020, 0x08000000, 0x00000100,
+ 0x00040400, 0x00000020, 0x0c000000, 0x00100100,
+ 0x00400400, 0x00000028, 0x08000800, 0x40000100,
+ 0x00440400, 0x00000028, 0x0c000800, 0x40100100,
+ 0x80000000, 0x00000010, 0x00000000, 0x00800000,
+ 0x80040000, 0x00000010, 0x04000000, 0x00900000,
+ 0x80400000, 0x00000018, 0x00000800, 0x40800000,
+ 0x80440000, 0x00000018, 0x04000800, 0x40900000,
+ 0x80000400, 0x00000030, 0x08000000, 0x00800100,
+ 0x80040400, 0x00000030, 0x0c000000, 0x00900100,
+ 0x80400400, 0x00000038, 0x08000800, 0x40800100,
+ 0x80440400, 0x00000038, 0x0c000800, 0x40900100,
+ 0x10000000, 0x00000000, 0x00200000, 0x00001000,
+ 0x10040000, 0x00000000, 0x04200000, 0x00101000,
+ 0x10400000, 0x00000008, 0x00200800, 0x40001000,
+ 0x10440000, 0x00000008, 0x04200800, 0x40101000,
+ 0x10000400, 0x00000020, 0x08200000, 0x00001100,
+ 0x10040400, 0x00000020, 0x0c200000, 0x00101100,
+ 0x10400400, 0x00000028, 0x08200800, 0x40001100,
+ 0x10440400, 0x00000028, 0x0c200800, 0x40101100,
+ 0x90000000, 0x00000010, 0x00200000, 0x00801000,
+ 0x90040000, 0x00000010, 0x04200000, 0x00901000,
+ 0x90400000, 0x00000018, 0x00200800, 0x40801000,
+ 0x90440000, 0x00000018, 0x04200800, 0x40901000,
+ 0x90000400, 0x00000030, 0x08200000, 0x00801100,
+ 0x90040400, 0x00000030, 0x0c200000, 0x00901100,
+ 0x90400400, 0x00000038, 0x08200800, 0x40801100,
+ 0x90440400, 0x00000038, 0x0c200800, 0x40901100,
+ 0x00000200, 0x00080000, 0x00000000, 0x00000004,
+ 0x00040200, 0x00080000, 0x04000000, 0x00100004,
+ 0x00400200, 0x00080008, 0x00000800, 0x40000004,
+ 0x00440200, 0x00080008, 0x04000800, 0x40100004,
+ 0x00000600, 0x00080020, 0x08000000, 0x00000104,
+ 0x00040600, 0x00080020, 0x0c000000, 0x00100104,
+ 0x00400600, 0x00080028, 0x08000800, 0x40000104,
+ 0x00440600, 0x00080028, 0x0c000800, 0x40100104,
+ 0x80000200, 0x00080010, 0x00000000, 0x00800004,
+ 0x80040200, 0x00080010, 0x04000000, 0x00900004,
+ 0x80400200, 0x00080018, 0x00000800, 0x40800004,
+ 0x80440200, 0x00080018, 0x04000800, 0x40900004,
+ 0x80000600, 0x00080030, 0x08000000, 0x00800104,
+ 0x80040600, 0x00080030, 0x0c000000, 0x00900104,
+ 0x80400600, 0x00080038, 0x08000800, 0x40800104,
+ 0x80440600, 0x00080038, 0x0c000800, 0x40900104,
+ 0x10000200, 0x00080000, 0x00200000, 0x00001004,
+ 0x10040200, 0x00080000, 0x04200000, 0x00101004,
+ 0x10400200, 0x00080008, 0x00200800, 0x40001004,
+ 0x10440200, 0x00080008, 0x04200800, 0x40101004,
+ 0x10000600, 0x00080020, 0x08200000, 0x00001104,
+ 0x10040600, 0x00080020, 0x0c200000, 0x00101104,
+ 0x10400600, 0x00080028, 0x08200800, 0x40001104,
+ 0x10440600, 0x00080028, 0x0c200800, 0x40101104,
+ 0x90000200, 0x00080010, 0x00200000, 0x00801004,
+ 0x90040200, 0x00080010, 0x04200000, 0x00901004,
+ 0x90400200, 0x00080018, 0x00200800, 0x40801004,
+ 0x90440200, 0x00080018, 0x04200800, 0x40901004,
+ 0x90000600, 0x00080030, 0x08200000, 0x00801104,
+ 0x90040600, 0x00080030, 0x0c200000, 0x00901104,
+ 0x90400600, 0x00080038, 0x08200800, 0x40801104,
+ 0x90440600, 0x00080038, 0x0c200800, 0x40901104,
+ 0x00000002, 0x00002000, 0x20000000, 0x00000001,
+ 0x00040002, 0x00002000, 0x24000000, 0x00100001,
+ 0x00400002, 0x00002008, 0x20000800, 0x40000001,
+ 0x00440002, 0x00002008, 0x24000800, 0x40100001,
+ 0x00000402, 0x00002020, 0x28000000, 0x00000101,
+ 0x00040402, 0x00002020, 0x2c000000, 0x00100101,
+ 0x00400402, 0x00002028, 0x28000800, 0x40000101,
+ 0x00440402, 0x00002028, 0x2c000800, 0x40100101,
+ 0x80000002, 0x00002010, 0x20000000, 0x00800001,
+ 0x80040002, 0x00002010, 0x24000000, 0x00900001,
+ 0x80400002, 0x00002018, 0x20000800, 0x40800001,
+ 0x80440002, 0x00002018, 0x24000800, 0x40900001,
+ 0x80000402, 0x00002030, 0x28000000, 0x00800101,
+ 0x80040402, 0x00002030, 0x2c000000, 0x00900101,
+ 0x80400402, 0x00002038, 0x28000800, 0x40800101,
+ 0x80440402, 0x00002038, 0x2c000800, 0x40900101,
+ 0x10000002, 0x00002000, 0x20200000, 0x00001001,
+ 0x10040002, 0x00002000, 0x24200000, 0x00101001,
+ 0x10400002, 0x00002008, 0x20200800, 0x40001001,
+ 0x10440002, 0x00002008, 0x24200800, 0x40101001,
+ 0x10000402, 0x00002020, 0x28200000, 0x00001101,
+ 0x10040402, 0x00002020, 0x2c200000, 0x00101101,
+ 0x10400402, 0x00002028, 0x28200800, 0x40001101,
+ 0x10440402, 0x00002028, 0x2c200800, 0x40101101,
+ 0x90000002, 0x00002010, 0x20200000, 0x00801001,
+ 0x90040002, 0x00002010, 0x24200000, 0x00901001,
+ 0x90400002, 0x00002018, 0x20200800, 0x40801001,
+ 0x90440002, 0x00002018, 0x24200800, 0x40901001,
+ 0x90000402, 0x00002030, 0x28200000, 0x00801101,
+ 0x90040402, 0x00002030, 0x2c200000, 0x00901101,
+ 0x90400402, 0x00002038, 0x28200800, 0x40801101,
+ 0x90440402, 0x00002038, 0x2c200800, 0x40901101,
+ 0x00000202, 0x00082000, 0x20000000, 0x00000005,
+ 0x00040202, 0x00082000, 0x24000000, 0x00100005,
+ 0x00400202, 0x00082008, 0x20000800, 0x40000005,
+ 0x00440202, 0x00082008, 0x24000800, 0x40100005,
+ 0x00000602, 0x00082020, 0x28000000, 0x00000105,
+ 0x00040602, 0x00082020, 0x2c000000, 0x00100105,
+ 0x00400602, 0x00082028, 0x28000800, 0x40000105,
+ 0x00440602, 0x00082028, 0x2c000800, 0x40100105,
+ 0x80000202, 0x00082010, 0x20000000, 0x00800005,
+ 0x80040202, 0x00082010, 0x24000000, 0x00900005,
+ 0x80400202, 0x00082018, 0x20000800, 0x40800005,
+ 0x80440202, 0x00082018, 0x24000800, 0x40900005,
+ 0x80000602, 0x00082030, 0x28000000, 0x00800105,
+ 0x80040602, 0x00082030, 0x2c000000, 0x00900105,
+ 0x80400602, 0x00082038, 0x28000800, 0x40800105,
+ 0x80440602, 0x00082038, 0x2c000800, 0x40900105,
+ 0x10000202, 0x00082000, 0x20200000, 0x00001005,
+ 0x10040202, 0x00082000, 0x24200000, 0x00101005,
+ 0x10400202, 0x00082008, 0x20200800, 0x40001005,
+ 0x10440202, 0x00082008, 0x24200800, 0x40101005,
+ 0x10000602, 0x00082020, 0x28200000, 0x00001105,
+ 0x10040602, 0x00082020, 0x2c200000, 0x00101105,
+ 0x10400602, 0x00082028, 0x28200800, 0x40001105,
+ 0x10440602, 0x00082028, 0x2c200800, 0x40101105,
+ 0x90000202, 0x00082010, 0x20200000, 0x00801005,
+ 0x90040202, 0x00082010, 0x24200000, 0x00901005,
+ 0x90400202, 0x00082018, 0x20200800, 0x40801005,
+ 0x90440202, 0x00082018, 0x24200800, 0x40901005,
+ 0x90000602, 0x00082030, 0x28200000, 0x00801105,
+ 0x90040602, 0x00082030, 0x2c200000, 0x00901105,
+ 0x90400602, 0x00082038, 0x28200800, 0x40801105,
+ 0x90440602, 0x00082038, 0x2c200800, 0x40901105,
+
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000008, 0x00080000, 0x10000000,
+ 0x02000000, 0x00000000, 0x00000080, 0x00001000,
+ 0x02000000, 0x00000008, 0x00080080, 0x10001000,
+ 0x00004000, 0x00000000, 0x00000040, 0x00040000,
+ 0x00004000, 0x00000008, 0x00080040, 0x10040000,
+ 0x02004000, 0x00000000, 0x000000c0, 0x00041000,
+ 0x02004000, 0x00000008, 0x000800c0, 0x10041000,
+ 0x00020000, 0x00008000, 0x08000000, 0x00200000,
+ 0x00020000, 0x00008008, 0x08080000, 0x10200000,
+ 0x02020000, 0x00008000, 0x08000080, 0x00201000,
+ 0x02020000, 0x00008008, 0x08080080, 0x10201000,
+ 0x00024000, 0x00008000, 0x08000040, 0x00240000,
+ 0x00024000, 0x00008008, 0x08080040, 0x10240000,
+ 0x02024000, 0x00008000, 0x080000c0, 0x00241000,
+ 0x02024000, 0x00008008, 0x080800c0, 0x10241000,
+ 0x00000000, 0x01000000, 0x00002000, 0x00000020,
+ 0x00000000, 0x01000008, 0x00082000, 0x10000020,
+ 0x02000000, 0x01000000, 0x00002080, 0x00001020,
+ 0x02000000, 0x01000008, 0x00082080, 0x10001020,
+ 0x00004000, 0x01000000, 0x00002040, 0x00040020,
+ 0x00004000, 0x01000008, 0x00082040, 0x10040020,
+ 0x02004000, 0x01000000, 0x000020c0, 0x00041020,
+ 0x02004000, 0x01000008, 0x000820c0, 0x10041020,
+ 0x00020000, 0x01008000, 0x08002000, 0x00200020,
+ 0x00020000, 0x01008008, 0x08082000, 0x10200020,
+ 0x02020000, 0x01008000, 0x08002080, 0x00201020,
+ 0x02020000, 0x01008008, 0x08082080, 0x10201020,
+ 0x00024000, 0x01008000, 0x08002040, 0x00240020,
+ 0x00024000, 0x01008008, 0x08082040, 0x10240020,
+ 0x02024000, 0x01008000, 0x080020c0, 0x00241020,
+ 0x02024000, 0x01008008, 0x080820c0, 0x10241020,
+ 0x00000400, 0x04000000, 0x00100000, 0x00000004,
+ 0x00000400, 0x04000008, 0x00180000, 0x10000004,
+ 0x02000400, 0x04000000, 0x00100080, 0x00001004,
+ 0x02000400, 0x04000008, 0x00180080, 0x10001004,
+ 0x00004400, 0x04000000, 0x00100040, 0x00040004,
+ 0x00004400, 0x04000008, 0x00180040, 0x10040004,
+ 0x02004400, 0x04000000, 0x001000c0, 0x00041004,
+ 0x02004400, 0x04000008, 0x001800c0, 0x10041004,
+ 0x00020400, 0x04008000, 0x08100000, 0x00200004,
+ 0x00020400, 0x04008008, 0x08180000, 0x10200004,
+ 0x02020400, 0x04008000, 0x08100080, 0x00201004,
+ 0x02020400, 0x04008008, 0x08180080, 0x10201004,
+ 0x00024400, 0x04008000, 0x08100040, 0x00240004,
+ 0x00024400, 0x04008008, 0x08180040, 0x10240004,
+ 0x02024400, 0x04008000, 0x081000c0, 0x00241004,
+ 0x02024400, 0x04008008, 0x081800c0, 0x10241004,
+ 0x00000400, 0x05000000, 0x00102000, 0x00000024,
+ 0x00000400, 0x05000008, 0x00182000, 0x10000024,
+ 0x02000400, 0x05000000, 0x00102080, 0x00001024,
+ 0x02000400, 0x05000008, 0x00182080, 0x10001024,
+ 0x00004400, 0x05000000, 0x00102040, 0x00040024,
+ 0x00004400, 0x05000008, 0x00182040, 0x10040024,
+ 0x02004400, 0x05000000, 0x001020c0, 0x00041024,
+ 0x02004400, 0x05000008, 0x001820c0, 0x10041024,
+ 0x00020400, 0x05008000, 0x08102000, 0x00200024,
+ 0x00020400, 0x05008008, 0x08182000, 0x10200024,
+ 0x02020400, 0x05008000, 0x08102080, 0x00201024,
+ 0x02020400, 0x05008008, 0x08182080, 0x10201024,
+ 0x00024400, 0x05008000, 0x08102040, 0x00240024,
+ 0x00024400, 0x05008008, 0x08182040, 0x10240024,
+ 0x02024400, 0x05008000, 0x081020c0, 0x00241024,
+ 0x02024400, 0x05008008, 0x081820c0, 0x10241024,
+ 0x00000800, 0x00010000, 0x20000000, 0x00000010,
+ 0x00000800, 0x00010008, 0x20080000, 0x10000010,
+ 0x02000800, 0x00010000, 0x20000080, 0x00001010,
+ 0x02000800, 0x00010008, 0x20080080, 0x10001010,
+ 0x00004800, 0x00010000, 0x20000040, 0x00040010,
+ 0x00004800, 0x00010008, 0x20080040, 0x10040010,
+ 0x02004800, 0x00010000, 0x200000c0, 0x00041010,
+ 0x02004800, 0x00010008, 0x200800c0, 0x10041010,
+ 0x00020800, 0x00018000, 0x28000000, 0x00200010,
+ 0x00020800, 0x00018008, 0x28080000, 0x10200010,
+ 0x02020800, 0x00018000, 0x28000080, 0x00201010,
+ 0x02020800, 0x00018008, 0x28080080, 0x10201010,
+ 0x00024800, 0x00018000, 0x28000040, 0x00240010,
+ 0x00024800, 0x00018008, 0x28080040, 0x10240010,
+ 0x02024800, 0x00018000, 0x280000c0, 0x00241010,
+ 0x02024800, 0x00018008, 0x280800c0, 0x10241010,
+ 0x00000800, 0x01010000, 0x20002000, 0x00000030,
+ 0x00000800, 0x01010008, 0x20082000, 0x10000030,
+ 0x02000800, 0x01010000, 0x20002080, 0x00001030,
+ 0x02000800, 0x01010008, 0x20082080, 0x10001030,
+ 0x00004800, 0x01010000, 0x20002040, 0x00040030,
+ 0x00004800, 0x01010008, 0x20082040, 0x10040030,
+ 0x02004800, 0x01010000, 0x200020c0, 0x00041030,
+ 0x02004800, 0x01010008, 0x200820c0, 0x10041030,
+ 0x00020800, 0x01018000, 0x28002000, 0x00200030,
+ 0x00020800, 0x01018008, 0x28082000, 0x10200030,
+ 0x02020800, 0x01018000, 0x28002080, 0x00201030,
+ 0x02020800, 0x01018008, 0x28082080, 0x10201030,
+ 0x00024800, 0x01018000, 0x28002040, 0x00240030,
+ 0x00024800, 0x01018008, 0x28082040, 0x10240030,
+ 0x02024800, 0x01018000, 0x280020c0, 0x00241030,
+ 0x02024800, 0x01018008, 0x280820c0, 0x10241030,
+ 0x00000c00, 0x04010000, 0x20100000, 0x00000014,
+ 0x00000c00, 0x04010008, 0x20180000, 0x10000014,
+ 0x02000c00, 0x04010000, 0x20100080, 0x00001014,
+ 0x02000c00, 0x04010008, 0x20180080, 0x10001014,
+ 0x00004c00, 0x04010000, 0x20100040, 0x00040014,
+ 0x00004c00, 0x04010008, 0x20180040, 0x10040014,
+ 0x02004c00, 0x04010000, 0x201000c0, 0x00041014,
+ 0x02004c00, 0x04010008, 0x201800c0, 0x10041014,
+ 0x00020c00, 0x04018000, 0x28100000, 0x00200014,
+ 0x00020c00, 0x04018008, 0x28180000, 0x10200014,
+ 0x02020c00, 0x04018000, 0x28100080, 0x00201014,
+ 0x02020c00, 0x04018008, 0x28180080, 0x10201014,
+ 0x00024c00, 0x04018000, 0x28100040, 0x00240014,
+ 0x00024c00, 0x04018008, 0x28180040, 0x10240014,
+ 0x02024c00, 0x04018000, 0x281000c0, 0x00241014,
+ 0x02024c00, 0x04018008, 0x281800c0, 0x10241014,
+ 0x00000c00, 0x05010000, 0x20102000, 0x00000034,
+ 0x00000c00, 0x05010008, 0x20182000, 0x10000034,
+ 0x02000c00, 0x05010000, 0x20102080, 0x00001034,
+ 0x02000c00, 0x05010008, 0x20182080, 0x10001034,
+ 0x00004c00, 0x05010000, 0x20102040, 0x00040034,
+ 0x00004c00, 0x05010008, 0x20182040, 0x10040034,
+ 0x02004c00, 0x05010000, 0x201020c0, 0x00041034,
+ 0x02004c00, 0x05010008, 0x201820c0, 0x10041034,
+ 0x00020c00, 0x05018000, 0x28102000, 0x00200034,
+ 0x00020c00, 0x05018008, 0x28182000, 0x10200034,
+ 0x02020c00, 0x05018000, 0x28102080, 0x00201034,
+ 0x02020c00, 0x05018008, 0x28182080, 0x10201034,
+ 0x00024c00, 0x05018000, 0x28102040, 0x00240034,
+ 0x00024c00, 0x05018008, 0x28182040, 0x10240034,
+ 0x02024c00, 0x05018000, 0x281020c0, 0x00241034,
+ 0x02024c00, 0x05018008, 0x281820c0, 0x10241034
+};
+
+/* S-box lookup tables */
+
+static const u32 S1[64] = {
+ 0x01010400, 0x00000000, 0x00010000, 0x01010404,
+ 0x01010004, 0x00010404, 0x00000004, 0x00010000,
+ 0x00000400, 0x01010400, 0x01010404, 0x00000400,
+ 0x01000404, 0x01010004, 0x01000000, 0x00000004,
+ 0x00000404, 0x01000400, 0x01000400, 0x00010400,
+ 0x00010400, 0x01010000, 0x01010000, 0x01000404,
+ 0x00010004, 0x01000004, 0x01000004, 0x00010004,
+ 0x00000000, 0x00000404, 0x00010404, 0x01000000,
+ 0x00010000, 0x01010404, 0x00000004, 0x01010000,
+ 0x01010400, 0x01000000, 0x01000000, 0x00000400,
+ 0x01010004, 0x00010000, 0x00010400, 0x01000004,
+ 0x00000400, 0x00000004, 0x01000404, 0x00010404,
+ 0x01010404, 0x00010004, 0x01010000, 0x01000404,
+ 0x01000004, 0x00000404, 0x00010404, 0x01010400,
+ 0x00000404, 0x01000400, 0x01000400, 0x00000000,
+ 0x00010004, 0x00010400, 0x00000000, 0x01010004
+};
+
+static const u32 S2[64] = {
+ 0x80108020, 0x80008000, 0x00008000, 0x00108020,
+ 0x00100000, 0x00000020, 0x80100020, 0x80008020,
+ 0x80000020, 0x80108020, 0x80108000, 0x80000000,
+ 0x80008000, 0x00100000, 0x00000020, 0x80100020,
+ 0x00108000, 0x00100020, 0x80008020, 0x00000000,
+ 0x80000000, 0x00008000, 0x00108020, 0x80100000,
+ 0x00100020, 0x80000020, 0x00000000, 0x00108000,
+ 0x00008020, 0x80108000, 0x80100000, 0x00008020,
+ 0x00000000, 0x00108020, 0x80100020, 0x00100000,
+ 0x80008020, 0x80100000, 0x80108000, 0x00008000,
+ 0x80100000, 0x80008000, 0x00000020, 0x80108020,
+ 0x00108020, 0x00000020, 0x00008000, 0x80000000,
+ 0x00008020, 0x80108000, 0x00100000, 0x80000020,
+ 0x00100020, 0x80008020, 0x80000020, 0x00100020,
+ 0x00108000, 0x00000000, 0x80008000, 0x00008020,
+ 0x80000000, 0x80100020, 0x80108020, 0x00108000
+};
+
+static const u32 S3[64] = {
+ 0x00000208, 0x08020200, 0x00000000, 0x08020008,
+ 0x08000200, 0x00000000, 0x00020208, 0x08000200,
+ 0x00020008, 0x08000008, 0x08000008, 0x00020000,
+ 0x08020208, 0x00020008, 0x08020000, 0x00000208,
+ 0x08000000, 0x00000008, 0x08020200, 0x00000200,
+ 0x00020200, 0x08020000, 0x08020008, 0x00020208,
+ 0x08000208, 0x00020200, 0x00020000, 0x08000208,
+ 0x00000008, 0x08020208, 0x00000200, 0x08000000,
+ 0x08020200, 0x08000000, 0x00020008, 0x00000208,
+ 0x00020000, 0x08020200, 0x08000200, 0x00000000,
+ 0x00000200, 0x00020008, 0x08020208, 0x08000200,
+ 0x08000008, 0x00000200, 0x00000000, 0x08020008,
+ 0x08000208, 0x00020000, 0x08000000, 0x08020208,
+ 0x00000008, 0x00020208, 0x00020200, 0x08000008,
+ 0x08020000, 0x08000208, 0x00000208, 0x08020000,
+ 0x00020208, 0x00000008, 0x08020008, 0x00020200
+};
+
+static const u32 S4[64] = {
+ 0x00802001, 0x00002081, 0x00002081, 0x00000080,
+ 0x00802080, 0x00800081, 0x00800001, 0x00002001,
+ 0x00000000, 0x00802000, 0x00802000, 0x00802081,
+ 0x00000081, 0x00000000, 0x00800080, 0x00800001,
+ 0x00000001, 0x00002000, 0x00800000, 0x00802001,
+ 0x00000080, 0x00800000, 0x00002001, 0x00002080,
+ 0x00800081, 0x00000001, 0x00002080, 0x00800080,
+ 0x00002000, 0x00802080, 0x00802081, 0x00000081,
+ 0x00800080, 0x00800001, 0x00802000, 0x00802081,
+ 0x00000081, 0x00000000, 0x00000000, 0x00802000,
+ 0x00002080, 0x00800080, 0x00800081, 0x00000001,
+ 0x00802001, 0x00002081, 0x00002081, 0x00000080,
+ 0x00802081, 0x00000081, 0x00000001, 0x00002000,
+ 0x00800001, 0x00002001, 0x00802080, 0x00800081,
+ 0x00002001, 0x00002080, 0x00800000, 0x00802001,
+ 0x00000080, 0x00800000, 0x00002000, 0x00802080
+};
+
+static const u32 S5[64] = {
+ 0x00000100, 0x02080100, 0x02080000, 0x42000100,
+ 0x00080000, 0x00000100, 0x40000000, 0x02080000,
+ 0x40080100, 0x00080000, 0x02000100, 0x40080100,
+ 0x42000100, 0x42080000, 0x00080100, 0x40000000,
+ 0x02000000, 0x40080000, 0x40080000, 0x00000000,
+ 0x40000100, 0x42080100, 0x42080100, 0x02000100,
+ 0x42080000, 0x40000100, 0x00000000, 0x42000000,
+ 0x02080100, 0x02000000, 0x42000000, 0x00080100,
+ 0x00080000, 0x42000100, 0x00000100, 0x02000000,
+ 0x40000000, 0x02080000, 0x42000100, 0x40080100,
+ 0x02000100, 0x40000000, 0x42080000, 0x02080100,
+ 0x40080100, 0x00000100, 0x02000000, 0x42080000,
+ 0x42080100, 0x00080100, 0x42000000, 0x42080100,
+ 0x02080000, 0x00000000, 0x40080000, 0x42000000,
+ 0x00080100, 0x02000100, 0x40000100, 0x00080000,
+ 0x00000000, 0x40080000, 0x02080100, 0x40000100
+};
+
+static const u32 S6[64] = {
+ 0x20000010, 0x20400000, 0x00004000, 0x20404010,
+ 0x20400000, 0x00000010, 0x20404010, 0x00400000,
+ 0x20004000, 0x00404010, 0x00400000, 0x20000010,
+ 0x00400010, 0x20004000, 0x20000000, 0x00004010,
+ 0x00000000, 0x00400010, 0x20004010, 0x00004000,
+ 0x00404000, 0x20004010, 0x00000010, 0x20400010,
+ 0x20400010, 0x00000000, 0x00404010, 0x20404000,
+ 0x00004010, 0x00404000, 0x20404000, 0x20000000,
+ 0x20004000, 0x00000010, 0x20400010, 0x00404000,
+ 0x20404010, 0x00400000, 0x00004010, 0x20000010,
+ 0x00400000, 0x20004000, 0x20000000, 0x00004010,
+ 0x20000010, 0x20404010, 0x00404000, 0x20400000,
+ 0x00404010, 0x20404000, 0x00000000, 0x20400010,
+ 0x00000010, 0x00004000, 0x20400000, 0x00404010,
+ 0x00004000, 0x00400010, 0x20004010, 0x00000000,
+ 0x20404000, 0x20000000, 0x00400010, 0x20004010
+};
+
+static const u32 S7[64] = {
+ 0x00200000, 0x04200002, 0x04000802, 0x00000000,
+ 0x00000800, 0x04000802, 0x00200802, 0x04200800,
+ 0x04200802, 0x00200000, 0x00000000, 0x04000002,
+ 0x00000002, 0x04000000, 0x04200002, 0x00000802,
+ 0x04000800, 0x00200802, 0x00200002, 0x04000800,
+ 0x04000002, 0x04200000, 0x04200800, 0x00200002,
+ 0x04200000, 0x00000800, 0x00000802, 0x04200802,
+ 0x00200800, 0x00000002, 0x04000000, 0x00200800,
+ 0x04000000, 0x00200800, 0x00200000, 0x04000802,
+ 0x04000802, 0x04200002, 0x04200002, 0x00000002,
+ 0x00200002, 0x04000000, 0x04000800, 0x00200000,
+ 0x04200800, 0x00000802, 0x00200802, 0x04200800,
+ 0x00000802, 0x04000002, 0x04200802, 0x04200000,
+ 0x00200800, 0x00000000, 0x00000002, 0x04200802,
+ 0x00000000, 0x00200802, 0x04200000, 0x00000800,
+ 0x04000002, 0x04000800, 0x00000800, 0x00200002
+};
+
+static const u32 S8[64] = {
+ 0x10001040, 0x00001000, 0x00040000, 0x10041040,
+ 0x10000000, 0x10001040, 0x00000040, 0x10000000,
+ 0x00040040, 0x10040000, 0x10041040, 0x00041000,
+ 0x10041000, 0x00041040, 0x00001000, 0x00000040,
+ 0x10040000, 0x10000040, 0x10001000, 0x00001040,
+ 0x00041000, 0x00040040, 0x10040040, 0x10041000,
+ 0x00001040, 0x00000000, 0x00000000, 0x10040040,
+ 0x10000040, 0x10001000, 0x00041040, 0x00040000,
+ 0x00041040, 0x00040000, 0x10041000, 0x00001000,
+ 0x00000040, 0x10040040, 0x00001000, 0x00041040,
+ 0x10001000, 0x00000040, 0x10000040, 0x10040000,
+ 0x10040040, 0x10000000, 0x00040000, 0x10001040,
+ 0x00000000, 0x10041040, 0x00040040, 0x10000040,
+ 0x10040000, 0x10001000, 0x10001040, 0x00000000,
+ 0x10041040, 0x00041000, 0x00041000, 0x00001040,
+ 0x00001040, 0x00040040, 0x10000000, 0x10041000
+};
+
+/* Encryption components: IP, FP, and round function */
+
+#define IP(L, R, T) \
+ ROL(R, 4); \
+ T = L; \
+ L ^= R; \
+ L &= 0xf0f0f0f0; \
+ R ^= L; \
+ L ^= T; \
+ ROL(R, 12); \
+ T = L; \
+ L ^= R; \
+ L &= 0xffff0000; \
+ R ^= L; \
+ L ^= T; \
+ ROR(R, 14); \
+ T = L; \
+ L ^= R; \
+ L &= 0xcccccccc; \
+ R ^= L; \
+ L ^= T; \
+ ROL(R, 6); \
+ T = L; \
+ L ^= R; \
+ L &= 0xff00ff00; \
+ R ^= L; \
+ L ^= T; \
+ ROR(R, 7); \
+ T = L; \
+ L ^= R; \
+ L &= 0xaaaaaaaa; \
+ R ^= L; \
+ L ^= T; \
+ ROL(L, 1);
+
+#define FP(L, R, T) \
+ ROR(L, 1); \
+ T = L; \
+ L ^= R; \
+ L &= 0xaaaaaaaa; \
+ R ^= L; \
+ L ^= T; \
+ ROL(R, 7); \
+ T = L; \
+ L ^= R; \
+ L &= 0xff00ff00; \
+ R ^= L; \
+ L ^= T; \
+ ROR(R, 6); \
+ T = L; \
+ L ^= R; \
+ L &= 0xcccccccc; \
+ R ^= L; \
+ L ^= T; \
+ ROL(R, 14); \
+ T = L; \
+ L ^= R; \
+ L &= 0xffff0000; \
+ R ^= L; \
+ L ^= T; \
+ ROR(R, 12); \
+ T = L; \
+ L ^= R; \
+ L &= 0xf0f0f0f0; \
+ R ^= L; \
+ L ^= T; \
+ ROR(R, 4);
+
+#define ROUND(L, R, A, B, K, d) \
+ B = K[0]; A = K[1]; K += d; \
+ B ^= R; A ^= R; \
+ B &= 0x3f3f3f3f; ROR(A, 4); \
+ L ^= S8[0xff & B]; A &= 0x3f3f3f3f; \
+ L ^= S6[0xff & (B >> 8)]; B >>= 16; \
+ L ^= S7[0xff & A]; \
+ L ^= S5[0xff & (A >> 8)]; A >>= 16; \
+ L ^= S4[0xff & B]; \
+ L ^= S2[0xff & (B >> 8)]; \
+ L ^= S3[0xff & A]; \
+ L ^= S1[0xff & (A >> 8)];
+
+/*
+ * PC2 lookup tables are organized as 2 consecutive sets of 4 interleaved
+ * tables of 128 elements. One set is for C_i and the other for D_i, while
+ * the 4 interleaved tables correspond to four 7-bit subsets of C_i or D_i.
+ *
+ * After PC1 each of the variables a,b,c,d contains a 7 bit subset of C_i
+ * or D_i in bits 7-1 (bit 0 being the least significant).
+ */
+
+#define T1(x) pt[2 * (x) + 0]
+#define T2(x) pt[2 * (x) + 1]
+#define T3(x) pt[2 * (x) + 2]
+#define T4(x) pt[2 * (x) + 3]
+
+#define DES_PC2(a, b, c, d) (T4(d) | T3(c) | T2(b) | T1(a))
+
+/*
+ * Encryption key expansion
+ *
+ * RFC2451: Weak key checks SHOULD be performed.
+ *
+ * FIPS 74:
+ *
+ * Keys having duals are keys which produce all zeros, all ones, or
+ * alternating zero-one patterns in the C and D registers after Permuted
+ * Choice 1 has operated on the key.
+ *
+ */
+static unsigned long des_ekey(u32 *pe, const u8 *k)
+{
+ /* K&R: long is at least 32 bits */
+ unsigned long a, b, c, d, w;
+ const u32 *pt = pc2;
+
+ d = k[4]; d &= 0x0e; d <<= 4; d |= k[0] & 0x1e; d = pc1[d];
+ c = k[5]; c &= 0x0e; c <<= 4; c |= k[1] & 0x1e; c = pc1[c];
+ b = k[6]; b &= 0x0e; b <<= 4; b |= k[2] & 0x1e; b = pc1[b];
+ a = k[7]; a &= 0x0e; a <<= 4; a |= k[3] & 0x1e; a = pc1[a];
+
+ pe[15 * 2 + 0] = DES_PC2(a, b, c, d); d = rs[d];
+ pe[14 * 2 + 0] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[13 * 2 + 0] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[12 * 2 + 0] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[11 * 2 + 0] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[10 * 2 + 0] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[ 9 * 2 + 0] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[ 8 * 2 + 0] = DES_PC2(d, a, b, c); c = rs[c];
+ pe[ 7 * 2 + 0] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[ 6 * 2 + 0] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[ 5 * 2 + 0] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[ 4 * 2 + 0] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[ 3 * 2 + 0] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[ 2 * 2 + 0] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[ 1 * 2 + 0] = DES_PC2(c, d, a, b); b = rs[b];
+ pe[ 0 * 2 + 0] = DES_PC2(b, c, d, a);
+
+ /* Check if first half is weak */
+ w = (a ^ c) | (b ^ d) | (rs[a] ^ c) | (b ^ rs[d]);
+
+ /* Skip to next table set */
+ pt += 512;
+
+ d = k[0]; d &= 0xe0; d >>= 4; d |= k[4] & 0xf0; d = pc1[d + 1];
+ c = k[1]; c &= 0xe0; c >>= 4; c |= k[5] & 0xf0; c = pc1[c + 1];
+ b = k[2]; b &= 0xe0; b >>= 4; b |= k[6] & 0xf0; b = pc1[b + 1];
+ a = k[3]; a &= 0xe0; a >>= 4; a |= k[7] & 0xf0; a = pc1[a + 1];
+
+ /* Check if second half is weak */
+ w |= (a ^ c) | (b ^ d) | (rs[a] ^ c) | (b ^ rs[d]);
+
+ pe[15 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d];
+ pe[14 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[13 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[12 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[11 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[10 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[ 9 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[ 8 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c];
+ pe[ 7 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[ 6 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[ 5 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[ 4 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[ 3 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[ 2 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[ 1 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b];
+ pe[ 0 * 2 + 1] = DES_PC2(b, c, d, a);
+
+ /* Fixup: 2413 5768 -> 1357 2468 */
+ for (d = 0; d < 16; ++d) {
+ a = pe[2 * d];
+ b = pe[2 * d + 1];
+ c = a ^ b;
+ c &= 0xffff0000;
+ a ^= c;
+ b ^= c;
+ ROL(b, 18);
+ pe[2 * d] = a;
+ pe[2 * d + 1] = b;
+ }
+
+ /* Zero if weak key */
+ return w;
+}
+
+int des_expand_key(struct des_ctx *ctx, const u8 *key, unsigned int keylen)
+{
+ if (keylen != DES_KEY_SIZE)
+ return -EINVAL;
+
+ return des_ekey(ctx->expkey, key) ? 0 : -ENOKEY;
+}
+EXPORT_SYMBOL_GPL(des_expand_key);
+
+/*
+ * Decryption key expansion
+ *
+ * No weak key checking is performed, as this is only used by triple DES
+ *
+ */
+static void dkey(u32 *pe, const u8 *k)
+{
+ /* K&R: long is at least 32 bits */
+ unsigned long a, b, c, d;
+ const u32 *pt = pc2;
+
+ d = k[4]; d &= 0x0e; d <<= 4; d |= k[0] & 0x1e; d = pc1[d];
+ c = k[5]; c &= 0x0e; c <<= 4; c |= k[1] & 0x1e; c = pc1[c];
+ b = k[6]; b &= 0x0e; b <<= 4; b |= k[2] & 0x1e; b = pc1[b];
+ a = k[7]; a &= 0x0e; a <<= 4; a |= k[3] & 0x1e; a = pc1[a];
+
+ pe[ 0 * 2] = DES_PC2(a, b, c, d); d = rs[d];
+ pe[ 1 * 2] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[ 2 * 2] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[ 3 * 2] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[ 4 * 2] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[ 5 * 2] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[ 6 * 2] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[ 7 * 2] = DES_PC2(d, a, b, c); c = rs[c];
+ pe[ 8 * 2] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[ 9 * 2] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[10 * 2] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[11 * 2] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[12 * 2] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[13 * 2] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[14 * 2] = DES_PC2(c, d, a, b); b = rs[b];
+ pe[15 * 2] = DES_PC2(b, c, d, a);
+
+ /* Skip to next table set */
+ pt += 512;
+
+ d = k[0]; d &= 0xe0; d >>= 4; d |= k[4] & 0xf0; d = pc1[d + 1];
+ c = k[1]; c &= 0xe0; c >>= 4; c |= k[5] & 0xf0; c = pc1[c + 1];
+ b = k[2]; b &= 0xe0; b >>= 4; b |= k[6] & 0xf0; b = pc1[b + 1];
+ a = k[3]; a &= 0xe0; a >>= 4; a |= k[7] & 0xf0; a = pc1[a + 1];
+
+ pe[ 0 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d];
+ pe[ 1 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[ 2 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[ 3 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[ 4 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[ 5 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c]; b = rs[b];
+ pe[ 6 * 2 + 1] = DES_PC2(b, c, d, a); a = rs[a]; d = rs[d];
+ pe[ 7 * 2 + 1] = DES_PC2(d, a, b, c); c = rs[c];
+ pe[ 8 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[ 9 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[10 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[11 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[12 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b]; a = rs[a];
+ pe[13 * 2 + 1] = DES_PC2(a, b, c, d); d = rs[d]; c = rs[c];
+ pe[14 * 2 + 1] = DES_PC2(c, d, a, b); b = rs[b];
+ pe[15 * 2 + 1] = DES_PC2(b, c, d, a);
+
+ /* Fixup: 2413 5768 -> 1357 2468 */
+ for (d = 0; d < 16; ++d) {
+ a = pe[2 * d];
+ b = pe[2 * d + 1];
+ c = a ^ b;
+ c &= 0xffff0000;
+ a ^= c;
+ b ^= c;
+ ROL(b, 18);
+ pe[2 * d] = a;
+ pe[2 * d + 1] = b;
+ }
+}
+
+void des_encrypt(const struct des_ctx *ctx, u8 *dst, const u8 *src)
+{
+ const u32 *K = ctx->expkey;
+ u32 L, R, A, B;
+ int i;
+
+ L = get_unaligned_le32(src);
+ R = get_unaligned_le32(src + 4);
+
+ IP(L, R, A);
+ for (i = 0; i < 8; i++) {
+ ROUND(L, R, A, B, K, 2);
+ ROUND(R, L, A, B, K, 2);
+ }
+ FP(R, L, A);
+
+ put_unaligned_le32(R, dst);
+ put_unaligned_le32(L, dst + 4);
+}
+EXPORT_SYMBOL_GPL(des_encrypt);
+
+void des_decrypt(const struct des_ctx *ctx, u8 *dst, const u8 *src)
+{
+ const u32 *K = ctx->expkey + DES_EXPKEY_WORDS - 2;
+ u32 L, R, A, B;
+ int i;
+
+ L = get_unaligned_le32(src);
+ R = get_unaligned_le32(src + 4);
+
+ IP(L, R, A);
+ for (i = 0; i < 8; i++) {
+ ROUND(L, R, A, B, K, -2);
+ ROUND(R, L, A, B, K, -2);
+ }
+ FP(R, L, A);
+
+ put_unaligned_le32(R, dst);
+ put_unaligned_le32(L, dst + 4);
+}
+EXPORT_SYMBOL_GPL(des_decrypt);
+
+int des3_ede_expand_key(struct des3_ede_ctx *ctx, const u8 *key,
+ unsigned int keylen)
+{
+ u32 *pe = ctx->expkey;
+ int err;
+
+ if (keylen != DES3_EDE_KEY_SIZE)
+ return -EINVAL;
+
+ err = des3_ede_verify_key(key, keylen, true);
+ if (err && err != -ENOKEY)
+ return err;
+
+ des_ekey(pe, key); pe += DES_EXPKEY_WORDS; key += DES_KEY_SIZE;
+ dkey(pe, key); pe += DES_EXPKEY_WORDS; key += DES_KEY_SIZE;
+ des_ekey(pe, key);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(des3_ede_expand_key);
+
+void des3_ede_encrypt(const struct des3_ede_ctx *dctx, u8 *dst, const u8 *src)
+{
+ const u32 *K = dctx->expkey;
+ u32 L, R, A, B;
+ int i;
+
+ L = get_unaligned_le32(src);
+ R = get_unaligned_le32(src + 4);
+
+ IP(L, R, A);
+ for (i = 0; i < 8; i++) {
+ ROUND(L, R, A, B, K, 2);
+ ROUND(R, L, A, B, K, 2);
+ }
+ for (i = 0; i < 8; i++) {
+ ROUND(R, L, A, B, K, 2);
+ ROUND(L, R, A, B, K, 2);
+ }
+ for (i = 0; i < 8; i++) {
+ ROUND(L, R, A, B, K, 2);
+ ROUND(R, L, A, B, K, 2);
+ }
+ FP(R, L, A);
+
+ put_unaligned_le32(R, dst);
+ put_unaligned_le32(L, dst + 4);
+}
+EXPORT_SYMBOL_GPL(des3_ede_encrypt);
+
+void des3_ede_decrypt(const struct des3_ede_ctx *dctx, u8 *dst, const u8 *src)
+{
+ const u32 *K = dctx->expkey + DES3_EDE_EXPKEY_WORDS - 2;
+ u32 L, R, A, B;
+ int i;
+
+ L = get_unaligned_le32(src);
+ R = get_unaligned_le32(src + 4);
+
+ IP(L, R, A);
+ for (i = 0; i < 8; i++) {
+ ROUND(L, R, A, B, K, -2);
+ ROUND(R, L, A, B, K, -2);
+ }
+ for (i = 0; i < 8; i++) {
+ ROUND(R, L, A, B, K, -2);
+ ROUND(L, R, A, B, K, -2);
+ }
+ for (i = 0; i < 8; i++) {
+ ROUND(L, R, A, B, K, -2);
+ ROUND(R, L, A, B, K, -2);
+ }
+ FP(R, L, A);
+
+ put_unaligned_le32(R, dst);
+ put_unaligned_le32(L, dst + 4);
+}
+EXPORT_SYMBOL_GPL(des3_ede_decrypt);
+
+MODULE_LICENSE("GPL");
diff --git a/lib/sha256.c b/lib/crypto/sha256.c
index d9af148d4349..66cb04b0cf4e 100644
--- a/lib/sha256.c
+++ b/lib/crypto/sha256.c
@@ -12,9 +12,11 @@
*/
#include <linux/bitops.h>
-#include <linux/sha256.h>
+#include <linux/export.h>
+#include <linux/module.h>
#include <linux/string.h>
-#include <asm/byteorder.h>
+#include <crypto/sha.h>
+#include <asm/unaligned.h>
static inline u32 Ch(u32 x, u32 y, u32 z)
{
@@ -33,7 +35,7 @@ static inline u32 Maj(u32 x, u32 y, u32 z)
static inline void LOAD_OP(int I, u32 *W, const u8 *input)
{
- W[I] = __be32_to_cpu(((__be32 *)(input))[I]);
+ W[I] = get_unaligned_be32((__u32 *)input + I);
}
static inline void BLEND_OP(int I, u32 *W)
@@ -92,131 +94,116 @@ static void sha256_transform(u32 *state, const u8 *input)
t1 = b + e1(g) + Ch(g, h, a) + 0x9bdc06a7 + W[14];
t2 = e0(c) + Maj(c, d, e); f += t1; b = t1 + t2;
t1 = a + e1(f) + Ch(f, g, h) + 0xc19bf174 + W[15];
- t2 = e0(b) + Maj(b, c, d); e += t1; a = t1+t2;
+ t2 = e0(b) + Maj(b, c, d); e += t1; a = t1 + t2;
t1 = h + e1(e) + Ch(e, f, g) + 0xe49b69c1 + W[16];
- t2 = e0(a) + Maj(a, b, c); d += t1; h = t1+t2;
+ t2 = e0(a) + Maj(a, b, c); d += t1; h = t1 + t2;
t1 = g + e1(d) + Ch(d, e, f) + 0xefbe4786 + W[17];
- t2 = e0(h) + Maj(h, a, b); c += t1; g = t1+t2;
+ t2 = e0(h) + Maj(h, a, b); c += t1; g = t1 + t2;
t1 = f + e1(c) + Ch(c, d, e) + 0x0fc19dc6 + W[18];
- t2 = e0(g) + Maj(g, h, a); b += t1; f = t1+t2;
+ t2 = e0(g) + Maj(g, h, a); b += t1; f = t1 + t2;
t1 = e + e1(b) + Ch(b, c, d) + 0x240ca1cc + W[19];
- t2 = e0(f) + Maj(f, g, h); a += t1; e = t1+t2;
+ t2 = e0(f) + Maj(f, g, h); a += t1; e = t1 + t2;
t1 = d + e1(a) + Ch(a, b, c) + 0x2de92c6f + W[20];
- t2 = e0(e) + Maj(e, f, g); h += t1; d = t1+t2;
+ t2 = e0(e) + Maj(e, f, g); h += t1; d = t1 + t2;
t1 = c + e1(h) + Ch(h, a, b) + 0x4a7484aa + W[21];
- t2 = e0(d) + Maj(d, e, f); g += t1; c = t1+t2;
+ t2 = e0(d) + Maj(d, e, f); g += t1; c = t1 + t2;
t1 = b + e1(g) + Ch(g, h, a) + 0x5cb0a9dc + W[22];
- t2 = e0(c) + Maj(c, d, e); f += t1; b = t1+t2;
+ t2 = e0(c) + Maj(c, d, e); f += t1; b = t1 + t2;
t1 = a + e1(f) + Ch(f, g, h) + 0x76f988da + W[23];
- t2 = e0(b) + Maj(b, c, d); e += t1; a = t1+t2;
+ t2 = e0(b) + Maj(b, c, d); e += t1; a = t1 + t2;
t1 = h + e1(e) + Ch(e, f, g) + 0x983e5152 + W[24];
- t2 = e0(a) + Maj(a, b, c); d += t1; h = t1+t2;
+ t2 = e0(a) + Maj(a, b, c); d += t1; h = t1 + t2;
t1 = g + e1(d) + Ch(d, e, f) + 0xa831c66d + W[25];
- t2 = e0(h) + Maj(h, a, b); c += t1; g = t1+t2;
+ t2 = e0(h) + Maj(h, a, b); c += t1; g = t1 + t2;
t1 = f + e1(c) + Ch(c, d, e) + 0xb00327c8 + W[26];
- t2 = e0(g) + Maj(g, h, a); b += t1; f = t1+t2;
+ t2 = e0(g) + Maj(g, h, a); b += t1; f = t1 + t2;
t1 = e + e1(b) + Ch(b, c, d) + 0xbf597fc7 + W[27];
- t2 = e0(f) + Maj(f, g, h); a += t1; e = t1+t2;
+ t2 = e0(f) + Maj(f, g, h); a += t1; e = t1 + t2;
t1 = d + e1(a) + Ch(a, b, c) + 0xc6e00bf3 + W[28];
- t2 = e0(e) + Maj(e, f, g); h += t1; d = t1+t2;
+ t2 = e0(e) + Maj(e, f, g); h += t1; d = t1 + t2;
t1 = c + e1(h) + Ch(h, a, b) + 0xd5a79147 + W[29];
- t2 = e0(d) + Maj(d, e, f); g += t1; c = t1+t2;
+ t2 = e0(d) + Maj(d, e, f); g += t1; c = t1 + t2;
t1 = b + e1(g) + Ch(g, h, a) + 0x06ca6351 + W[30];
- t2 = e0(c) + Maj(c, d, e); f += t1; b = t1+t2;
+ t2 = e0(c) + Maj(c, d, e); f += t1; b = t1 + t2;
t1 = a + e1(f) + Ch(f, g, h) + 0x14292967 + W[31];
- t2 = e0(b) + Maj(b, c, d); e += t1; a = t1+t2;
+ t2 = e0(b) + Maj(b, c, d); e += t1; a = t1 + t2;
t1 = h + e1(e) + Ch(e, f, g) + 0x27b70a85 + W[32];
- t2 = e0(a) + Maj(a, b, c); d += t1; h = t1+t2;
+ t2 = e0(a) + Maj(a, b, c); d += t1; h = t1 + t2;
t1 = g + e1(d) + Ch(d, e, f) + 0x2e1b2138 + W[33];
- t2 = e0(h) + Maj(h, a, b); c += t1; g = t1+t2;
+ t2 = e0(h) + Maj(h, a, b); c += t1; g = t1 + t2;
t1 = f + e1(c) + Ch(c, d, e) + 0x4d2c6dfc + W[34];
- t2 = e0(g) + Maj(g, h, a); b += t1; f = t1+t2;
+ t2 = e0(g) + Maj(g, h, a); b += t1; f = t1 + t2;
t1 = e + e1(b) + Ch(b, c, d) + 0x53380d13 + W[35];
- t2 = e0(f) + Maj(f, g, h); a += t1; e = t1+t2;
+ t2 = e0(f) + Maj(f, g, h); a += t1; e = t1 + t2;
t1 = d + e1(a) + Ch(a, b, c) + 0x650a7354 + W[36];
- t2 = e0(e) + Maj(e, f, g); h += t1; d = t1+t2;
+ t2 = e0(e) + Maj(e, f, g); h += t1; d = t1 + t2;
t1 = c + e1(h) + Ch(h, a, b) + 0x766a0abb + W[37];
- t2 = e0(d) + Maj(d, e, f); g += t1; c = t1+t2;
+ t2 = e0(d) + Maj(d, e, f); g += t1; c = t1 + t2;
t1 = b + e1(g) + Ch(g, h, a) + 0x81c2c92e + W[38];
- t2 = e0(c) + Maj(c, d, e); f += t1; b = t1+t2;
+ t2 = e0(c) + Maj(c, d, e); f += t1; b = t1 + t2;
t1 = a + e1(f) + Ch(f, g, h) + 0x92722c85 + W[39];
- t2 = e0(b) + Maj(b, c, d); e += t1; a = t1+t2;
+ t2 = e0(b) + Maj(b, c, d); e += t1; a = t1 + t2;
t1 = h + e1(e) + Ch(e, f, g) + 0xa2bfe8a1 + W[40];
- t2 = e0(a) + Maj(a, b, c); d += t1; h = t1+t2;
+ t2 = e0(a) + Maj(a, b, c); d += t1; h = t1 + t2;
t1 = g + e1(d) + Ch(d, e, f) + 0xa81a664b + W[41];
- t2 = e0(h) + Maj(h, a, b); c += t1; g = t1+t2;
+ t2 = e0(h) + Maj(h, a, b); c += t1; g = t1 + t2;
t1 = f + e1(c) + Ch(c, d, e) + 0xc24b8b70 + W[42];
- t2 = e0(g) + Maj(g, h, a); b += t1; f = t1+t2;
+ t2 = e0(g) + Maj(g, h, a); b += t1; f = t1 + t2;
t1 = e + e1(b) + Ch(b, c, d) + 0xc76c51a3 + W[43];
- t2 = e0(f) + Maj(f, g, h); a += t1; e = t1+t2;
+ t2 = e0(f) + Maj(f, g, h); a += t1; e = t1 + t2;
t1 = d + e1(a) + Ch(a, b, c) + 0xd192e819 + W[44];
- t2 = e0(e) + Maj(e, f, g); h += t1; d = t1+t2;
+ t2 = e0(e) + Maj(e, f, g); h += t1; d = t1 + t2;
t1 = c + e1(h) + Ch(h, a, b) + 0xd6990624 + W[45];
- t2 = e0(d) + Maj(d, e, f); g += t1; c = t1+t2;
+ t2 = e0(d) + Maj(d, e, f); g += t1; c = t1 + t2;
t1 = b + e1(g) + Ch(g, h, a) + 0xf40e3585 + W[46];
- t2 = e0(c) + Maj(c, d, e); f += t1; b = t1+t2;
+ t2 = e0(c) + Maj(c, d, e); f += t1; b = t1 + t2;
t1 = a + e1(f) + Ch(f, g, h) + 0x106aa070 + W[47];
- t2 = e0(b) + Maj(b, c, d); e += t1; a = t1+t2;
+ t2 = e0(b) + Maj(b, c, d); e += t1; a = t1 + t2;
t1 = h + e1(e) + Ch(e, f, g) + 0x19a4c116 + W[48];
- t2 = e0(a) + Maj(a, b, c); d += t1; h = t1+t2;
+ t2 = e0(a) + Maj(a, b, c); d += t1; h = t1 + t2;
t1 = g + e1(d) + Ch(d, e, f) + 0x1e376c08 + W[49];
- t2 = e0(h) + Maj(h, a, b); c += t1; g = t1+t2;
+ t2 = e0(h) + Maj(h, a, b); c += t1; g = t1 + t2;
t1 = f + e1(c) + Ch(c, d, e) + 0x2748774c + W[50];
- t2 = e0(g) + Maj(g, h, a); b += t1; f = t1+t2;
+ t2 = e0(g) + Maj(g, h, a); b += t1; f = t1 + t2;
t1 = e + e1(b) + Ch(b, c, d) + 0x34b0bcb5 + W[51];
- t2 = e0(f) + Maj(f, g, h); a += t1; e = t1+t2;
+ t2 = e0(f) + Maj(f, g, h); a += t1; e = t1 + t2;
t1 = d + e1(a) + Ch(a, b, c) + 0x391c0cb3 + W[52];
- t2 = e0(e) + Maj(e, f, g); h += t1; d = t1+t2;
+ t2 = e0(e) + Maj(e, f, g); h += t1; d = t1 + t2;
t1 = c + e1(h) + Ch(h, a, b) + 0x4ed8aa4a + W[53];
- t2 = e0(d) + Maj(d, e, f); g += t1; c = t1+t2;
+ t2 = e0(d) + Maj(d, e, f); g += t1; c = t1 + t2;
t1 = b + e1(g) + Ch(g, h, a) + 0x5b9cca4f + W[54];
- t2 = e0(c) + Maj(c, d, e); f += t1; b = t1+t2;
+ t2 = e0(c) + Maj(c, d, e); f += t1; b = t1 + t2;
t1 = a + e1(f) + Ch(f, g, h) + 0x682e6ff3 + W[55];
- t2 = e0(b) + Maj(b, c, d); e += t1; a = t1+t2;
+ t2 = e0(b) + Maj(b, c, d); e += t1; a = t1 + t2;
t1 = h + e1(e) + Ch(e, f, g) + 0x748f82ee + W[56];
- t2 = e0(a) + Maj(a, b, c); d += t1; h = t1+t2;
+ t2 = e0(a) + Maj(a, b, c); d += t1; h = t1 + t2;
t1 = g + e1(d) + Ch(d, e, f) + 0x78a5636f + W[57];
- t2 = e0(h) + Maj(h, a, b); c += t1; g = t1+t2;
+ t2 = e0(h) + Maj(h, a, b); c += t1; g = t1 + t2;
t1 = f + e1(c) + Ch(c, d, e) + 0x84c87814 + W[58];
- t2 = e0(g) + Maj(g, h, a); b += t1; f = t1+t2;
+ t2 = e0(g) + Maj(g, h, a); b += t1; f = t1 + t2;
t1 = e + e1(b) + Ch(b, c, d) + 0x8cc70208 + W[59];
- t2 = e0(f) + Maj(f, g, h); a += t1; e = t1+t2;
+ t2 = e0(f) + Maj(f, g, h); a += t1; e = t1 + t2;
t1 = d + e1(a) + Ch(a, b, c) + 0x90befffa + W[60];
- t2 = e0(e) + Maj(e, f, g); h += t1; d = t1+t2;
+ t2 = e0(e) + Maj(e, f, g); h += t1; d = t1 + t2;
t1 = c + e1(h) + Ch(h, a, b) + 0xa4506ceb + W[61];
- t2 = e0(d) + Maj(d, e, f); g += t1; c = t1+t2;
+ t2 = e0(d) + Maj(d, e, f); g += t1; c = t1 + t2;
t1 = b + e1(g) + Ch(g, h, a) + 0xbef9a3f7 + W[62];
- t2 = e0(c) + Maj(c, d, e); f += t1; b = t1+t2;
+ t2 = e0(c) + Maj(c, d, e); f += t1; b = t1 + t2;
t1 = a + e1(f) + Ch(f, g, h) + 0xc67178f2 + W[63];
- t2 = e0(b) + Maj(b, c, d); e += t1; a = t1+t2;
+ t2 = e0(b) + Maj(b, c, d); e += t1; a = t1 + t2;
state[0] += a; state[1] += b; state[2] += c; state[3] += d;
state[4] += e; state[5] += f; state[6] += g; state[7] += h;
/* clear any sensitive info... */
a = b = c = d = e = f = g = h = t1 = t2 = 0;
- memset(W, 0, 64 * sizeof(u32));
-}
-
-int sha256_init(struct sha256_state *sctx)
-{
- sctx->state[0] = SHA256_H0;
- sctx->state[1] = SHA256_H1;
- sctx->state[2] = SHA256_H2;
- sctx->state[3] = SHA256_H3;
- sctx->state[4] = SHA256_H4;
- sctx->state[5] = SHA256_H5;
- sctx->state[6] = SHA256_H6;
- sctx->state[7] = SHA256_H7;
- sctx->count = 0;
-
- return 0;
+ memzero_explicit(W, 64 * sizeof(u32));
}
int sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
@@ -248,8 +235,15 @@ int sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
return 0;
}
+EXPORT_SYMBOL(sha256_update);
-int sha256_final(struct sha256_state *sctx, u8 *out)
+int sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
+{
+ return sha256_update(sctx, data, len);
+}
+EXPORT_SYMBOL(sha224_update);
+
+static int __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words)
{
__be32 *dst = (__be32 *)out;
__be64 bits;
@@ -269,11 +263,25 @@ int sha256_final(struct sha256_state *sctx, u8 *out)
sha256_update(sctx, (const u8 *)&bits, sizeof(bits));
/* Store state in digest */
- for (i = 0; i < 8; i++)
- dst[i] = cpu_to_be32(sctx->state[i]);
+ for (i = 0; i < digest_words; i++)
+ put_unaligned_be32(sctx->state[i], &dst[i]);
/* Zeroize sensitive information. */
memset(sctx, 0, sizeof(*sctx));
return 0;
}
+
+int sha256_final(struct sha256_state *sctx, u8 *out)
+{
+ return __sha256_final(sctx, out, 8);
+}
+EXPORT_SYMBOL(sha256_final);
+
+int sha224_final(struct sha256_state *sctx, u8 *out)
+{
+ return __sha256_final(sctx, out, 7);
+}
+EXPORT_SYMBOL(sha224_final);
+
+MODULE_LICENSE("GPL");
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index 3bb6260d8f42..2dceaca27489 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -639,30 +639,12 @@ do { \
************** MIPS *****************
***************************************/
#if defined(__mips__) && W_TYPE_SIZE == 32
-#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
#define umul_ppmm(w1, w0, u, v) \
do { \
UDItype __ll = (UDItype)(u) * (v); \
w1 = __ll >> 32; \
w0 = __ll; \
} while (0)
-#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
-#define umul_ppmm(w1, w0, u, v) \
- __asm__ ("multu %2,%3" \
- : "=l" ((USItype)(w0)), \
- "=h" ((USItype)(w1)) \
- : "d" ((USItype)(u)), \
- "d" ((USItype)(v)))
-#else
-#define umul_ppmm(w1, w0, u, v) \
- __asm__ ("multu %2,%3\n" \
- "mflo %0\n" \
- "mfhi %1" \
- : "=d" ((USItype)(w0)), \
- "=d" ((USItype)(w1)) \
- : "d" ((USItype)(u)), \
- "d" ((USItype)(v)))
-#endif
#define UMUL_TIME 10
#define UDIV_TIME 100
#endif /* __mips__ */
@@ -687,7 +669,7 @@ do { \
: "d" ((UDItype)(u)), \
"d" ((UDItype)(v))); \
} while (0)
-#elif (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
+#else
#define umul_ppmm(w1, w0, u, v) \
do { \
typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \
@@ -695,22 +677,6 @@ do { \
w1 = __ll >> 64; \
w0 = __ll; \
} while (0)
-#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
-#define umul_ppmm(w1, w0, u, v) \
- __asm__ ("dmultu %2,%3" \
- : "=l" ((UDItype)(w0)), \
- "=h" ((UDItype)(w1)) \
- : "d" ((UDItype)(u)), \
- "d" ((UDItype)(v)))
-#else
-#define umul_ppmm(w1, w0, u, v) \
- __asm__ ("dmultu %2,%3\n" \
- "mflo %0\n" \
- "mfhi %1" \
- : "=d" ((UDItype)(w0)), \
- "=d" ((UDItype)(w1)) \
- : "d" ((UDItype)(u)), \
- "d" ((UDItype)(v)))
#endif
#define UMUL_TIME 20
#define UDIV_TIME 140