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authorLinus Torvalds <torvalds@linux-foundation.org>2019-11-26 06:49:58 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-11-26 06:49:58 +0300
commit642356cb5f4a8c82b5ca5ebac288c327d10df236 (patch)
tree85bdf911a1307d33838449cb8209b828dcfef1c7 /drivers/crypto/nx/nx-aes-cbc.c
parentf838767555d40f29bc4771c5c8cc63193094b7cc (diff)
parent4ee812f6143d78d8ba1399671d78c8d78bf2817c (diff)
downloadlinux-642356cb5f4a8c82b5ca5ebac288c327d10df236.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Add library interfaces of certain crypto algorithms for WireGuard - Remove the obsolete ablkcipher and blkcipher interfaces - Move add_early_randomness() out of rng_mutex Algorithms: - Add blake2b shash algorithm - Add blake2s shash algorithm - Add curve25519 kpp algorithm - Implement 4 way interleave in arm64/gcm-ce - Implement ciphertext stealing in powerpc/spe-xts - Add Eric Biggers's scalar accelerated ChaCha code for ARM - Add accelerated 32r2 code from Zinc for MIPS - Add OpenSSL/CRYPTOGRAMS poly1305 implementation for ARM and MIPS Drivers: - Fix entropy reading failures in ks-sa - Add support for sam9x60 in atmel - Add crypto accelerator for amlogic GXL - Add sun8i-ce Crypto Engine - Add sun8i-ss cryptographic offloader - Add a host of algorithms to inside-secure - Add NPCM RNG driver - add HiSilicon HPRE accelerator - Add HiSilicon TRNG driver" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (285 commits) crypto: vmx - Avoid weird build failures crypto: lib/chacha20poly1305 - use chacha20_crypt() crypto: x86/chacha - only unregister algorithms if registered crypto: chacha_generic - remove unnecessary setkey() functions crypto: amlogic - enable working on big endian kernel crypto: sun8i-ce - enable working on big endian crypto: mips/chacha - select CRYPTO_SKCIPHER, not CRYPTO_BLKCIPHER hwrng: ks-sa - Enable COMPILE_TEST crypto: essiv - remove redundant null pointer check before kfree crypto: atmel-aes - Change data type for "lastc" buffer crypto: atmel-tdes - Set the IV after {en,de}crypt crypto: sun4i-ss - fix big endian issues crypto: sun4i-ss - hide the Invalid keylen message crypto: sun4i-ss - use crypto_ahash_digestsize crypto: sun4i-ss - remove dependency on not 64BIT crypto: sun4i-ss - Fix 64-bit size_t warnings on sun4i-ss-hash.c MAINTAINERS: Add maintainer for HiSilicon SEC V2 driver crypto: hisilicon - add DebugFS for HiSilicon SEC Documentation: add DebugFS doc for HiSilicon SEC crypto: hisilicon - add SRIOV for HiSilicon SEC ...
Diffstat (limited to 'drivers/crypto/nx/nx-aes-cbc.c')
-rw-r--r--drivers/crypto/nx/nx-aes-cbc.c81
1 files changed, 35 insertions, 46 deletions
diff --git a/drivers/crypto/nx/nx-aes-cbc.c b/drivers/crypto/nx/nx-aes-cbc.c
index e631f9979127..92e921eceed7 100644
--- a/drivers/crypto/nx/nx-aes-cbc.c
+++ b/drivers/crypto/nx/nx-aes-cbc.c
@@ -18,11 +18,11 @@
#include "nx.h"
-static int cbc_aes_nx_set_key(struct crypto_tfm *tfm,
- const u8 *in_key,
- unsigned int key_len)
+static int cbc_aes_nx_set_key(struct crypto_skcipher *tfm,
+ const u8 *in_key,
+ unsigned int key_len)
{
- struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm);
+ struct nx_crypto_ctx *nx_ctx = crypto_skcipher_ctx(tfm);
struct nx_csbcpb *csbcpb = nx_ctx->csbcpb;
nx_ctx_init(nx_ctx, HCOP_FC_AES);
@@ -50,13 +50,11 @@ static int cbc_aes_nx_set_key(struct crypto_tfm *tfm,
return 0;
}
-static int cbc_aes_nx_crypt(struct blkcipher_desc *desc,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes,
- int enc)
+static int cbc_aes_nx_crypt(struct skcipher_request *req,
+ int enc)
{
- struct nx_crypto_ctx *nx_ctx = crypto_blkcipher_ctx(desc->tfm);
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct nx_crypto_ctx *nx_ctx = crypto_skcipher_ctx(tfm);
struct nx_csbcpb *csbcpb = nx_ctx->csbcpb;
unsigned long irq_flags;
unsigned int processed = 0, to_process;
@@ -70,10 +68,11 @@ static int cbc_aes_nx_crypt(struct blkcipher_desc *desc,
NX_CPB_FDM(csbcpb) &= ~NX_FDM_ENDE_ENCRYPT;
do {
- to_process = nbytes - processed;
+ to_process = req->cryptlen - processed;
- rc = nx_build_sg_lists(nx_ctx, desc, dst, src, &to_process,
- processed, csbcpb->cpb.aes_cbc.iv);
+ rc = nx_build_sg_lists(nx_ctx, req->iv, req->dst, req->src,
+ &to_process, processed,
+ csbcpb->cpb.aes_cbc.iv);
if (rc)
goto out;
@@ -83,56 +82,46 @@ static int cbc_aes_nx_crypt(struct blkcipher_desc *desc,
}
rc = nx_hcall_sync(nx_ctx, &nx_ctx->op,
- desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP);
+ req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP);
if (rc)
goto out;
- memcpy(desc->info, csbcpb->cpb.aes_cbc.cv, AES_BLOCK_SIZE);
+ memcpy(req->iv, csbcpb->cpb.aes_cbc.cv, AES_BLOCK_SIZE);
atomic_inc(&(nx_ctx->stats->aes_ops));
atomic64_add(csbcpb->csb.processed_byte_count,
&(nx_ctx->stats->aes_bytes));
processed += to_process;
- } while (processed < nbytes);
+ } while (processed < req->cryptlen);
out:
spin_unlock_irqrestore(&nx_ctx->lock, irq_flags);
return rc;
}
-static int cbc_aes_nx_encrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes)
+static int cbc_aes_nx_encrypt(struct skcipher_request *req)
{
- return cbc_aes_nx_crypt(desc, dst, src, nbytes, 1);
+ return cbc_aes_nx_crypt(req, 1);
}
-static int cbc_aes_nx_decrypt(struct blkcipher_desc *desc,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes)
+static int cbc_aes_nx_decrypt(struct skcipher_request *req)
{
- return cbc_aes_nx_crypt(desc, dst, src, nbytes, 0);
+ return cbc_aes_nx_crypt(req, 0);
}
-struct crypto_alg nx_cbc_aes_alg = {
- .cra_name = "cbc(aes)",
- .cra_driver_name = "cbc-aes-nx",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct nx_crypto_ctx),
- .cra_type = &crypto_blkcipher_type,
- .cra_alignmask = 0xf,
- .cra_module = THIS_MODULE,
- .cra_init = nx_crypto_ctx_aes_cbc_init,
- .cra_exit = nx_crypto_ctx_exit,
- .cra_blkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = cbc_aes_nx_set_key,
- .encrypt = cbc_aes_nx_encrypt,
- .decrypt = cbc_aes_nx_decrypt,
- }
+struct skcipher_alg nx_cbc_aes_alg = {
+ .base.cra_name = "cbc(aes)",
+ .base.cra_driver_name = "cbc-aes-nx",
+ .base.cra_priority = 300,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct nx_crypto_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+ .init = nx_crypto_ctx_aes_cbc_init,
+ .exit = nx_crypto_ctx_skcipher_exit,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = cbc_aes_nx_set_key,
+ .encrypt = cbc_aes_nx_encrypt,
+ .decrypt = cbc_aes_nx_decrypt,
};