diff options
Diffstat (limited to 'drivers/crypto/aspeed/aspeed-hace-hash.c')
| -rw-r--r-- | drivers/crypto/aspeed/aspeed-hace-hash.c | 285 |
1 files changed, 63 insertions, 222 deletions
diff --git a/drivers/crypto/aspeed/aspeed-hace-hash.c b/drivers/crypto/aspeed/aspeed-hace-hash.c index 935135229ebd..0b6e49c06eff 100644 --- a/drivers/crypto/aspeed/aspeed-hace-hash.c +++ b/drivers/crypto/aspeed/aspeed-hace-hash.c @@ -4,6 +4,17 @@ */ #include "aspeed-hace.h" +#include <crypto/engine.h> +#include <crypto/hmac.h> +#include <crypto/internal/hash.h> +#include <crypto/scatterwalk.h> +#include <crypto/sha1.h> +#include <crypto/sha2.h> +#include <linux/dma-mapping.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/string.h> #ifdef CONFIG_CRYPTO_DEV_ASPEED_DEBUG #define AHASH_DBG(h, fmt, ...) \ @@ -48,28 +59,6 @@ static const __be64 sha512_iv[8] = { cpu_to_be64(SHA512_H6), cpu_to_be64(SHA512_H7) }; -static const __be32 sha512_224_iv[16] = { - cpu_to_be32(0xC8373D8CUL), cpu_to_be32(0xA24D5419UL), - cpu_to_be32(0x6699E173UL), cpu_to_be32(0xD6D4DC89UL), - cpu_to_be32(0xAEB7FA1DUL), cpu_to_be32(0x829CFF32UL), - cpu_to_be32(0x14D59D67UL), cpu_to_be32(0xCF9F2F58UL), - cpu_to_be32(0x692B6D0FUL), cpu_to_be32(0xA84DD47BUL), - cpu_to_be32(0x736FE377UL), cpu_to_be32(0x4289C404UL), - cpu_to_be32(0xA8859D3FUL), cpu_to_be32(0xC8361D6AUL), - cpu_to_be32(0xADE61211UL), cpu_to_be32(0xA192D691UL) -}; - -static const __be32 sha512_256_iv[16] = { - cpu_to_be32(0x94213122UL), cpu_to_be32(0x2CF72BFCUL), - cpu_to_be32(0xA35F559FUL), cpu_to_be32(0xC2644CC8UL), - cpu_to_be32(0x6BB89323UL), cpu_to_be32(0x51B1536FUL), - cpu_to_be32(0x19773896UL), cpu_to_be32(0xBDEA4059UL), - cpu_to_be32(0xE23E2896UL), cpu_to_be32(0xE3FF8EA8UL), - cpu_to_be32(0x251E5EBEUL), cpu_to_be32(0x92398653UL), - cpu_to_be32(0xFC99012BUL), cpu_to_be32(0xAAB8852CUL), - cpu_to_be32(0xDC2DB70EUL), cpu_to_be32(0xA22CC581UL) -}; - /* The purpose of this padding is to ensure that the padded message is a * multiple of 512 bits (SHA1/SHA224/SHA256) or 1024 bits (SHA384/SHA512). * The bit "1" is appended at the end of the message followed by @@ -565,8 +554,8 @@ static int aspeed_ahash_do_request(struct crypto_engine *engine, void *areq) return 0; } -static int aspeed_ahash_prepare_request(struct crypto_engine *engine, - void *areq) +static void aspeed_ahash_prepare_request(struct crypto_engine *engine, + void *areq) { struct ahash_request *req = ahash_request_cast(areq); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); @@ -581,8 +570,12 @@ static int aspeed_ahash_prepare_request(struct crypto_engine *engine, hash_engine->dma_prepare = aspeed_ahash_dma_prepare_sg; else hash_engine->dma_prepare = aspeed_ahash_dma_prepare; +} - return 0; +static int aspeed_ahash_do_one(struct crypto_engine *engine, void *areq) +{ + aspeed_ahash_prepare_request(engine, areq); + return aspeed_ahash_do_request(engine, areq); } static int aspeed_sham_update(struct ahash_request *req) @@ -750,62 +743,6 @@ static int aspeed_sham_init(struct ahash_request *req) return 0; } -static int aspeed_sha512s_init(struct ahash_request *req) -{ - struct aspeed_sham_reqctx *rctx = ahash_request_ctx(req); - struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); - struct aspeed_sham_ctx *tctx = crypto_ahash_ctx(tfm); - struct aspeed_hace_dev *hace_dev = tctx->hace_dev; - struct aspeed_sha_hmac_ctx *bctx = tctx->base; - - AHASH_DBG(hace_dev, "digest size: %d\n", crypto_ahash_digestsize(tfm)); - - rctx->cmd = HASH_CMD_ACC_MODE; - rctx->flags = 0; - - switch (crypto_ahash_digestsize(tfm)) { - case SHA224_DIGEST_SIZE: - rctx->cmd |= HASH_CMD_SHA512_SER | HASH_CMD_SHA512_224 | - HASH_CMD_SHA_SWAP; - rctx->flags |= SHA_FLAGS_SHA512_224; - rctx->digsize = SHA224_DIGEST_SIZE; - rctx->block_size = SHA512_BLOCK_SIZE; - rctx->sha_iv = sha512_224_iv; - rctx->ivsize = 64; - memcpy(rctx->digest, sha512_224_iv, rctx->ivsize); - break; - case SHA256_DIGEST_SIZE: - rctx->cmd |= HASH_CMD_SHA512_SER | HASH_CMD_SHA512_256 | - HASH_CMD_SHA_SWAP; - rctx->flags |= SHA_FLAGS_SHA512_256; - rctx->digsize = SHA256_DIGEST_SIZE; - rctx->block_size = SHA512_BLOCK_SIZE; - rctx->sha_iv = sha512_256_iv; - rctx->ivsize = 64; - memcpy(rctx->digest, sha512_256_iv, rctx->ivsize); - break; - default: - dev_warn(tctx->hace_dev->dev, "digest size %d not support\n", - crypto_ahash_digestsize(tfm)); - return -EINVAL; - } - - rctx->bufcnt = 0; - rctx->total = 0; - rctx->digcnt[0] = 0; - rctx->digcnt[1] = 0; - - /* HMAC init */ - if (tctx->flags & SHA_FLAGS_HMAC) { - rctx->digcnt[0] = rctx->block_size; - rctx->bufcnt = rctx->block_size; - memcpy(rctx->buffer, bctx->ipad, rctx->block_size); - rctx->flags |= SHA_FLAGS_HMAC; - } - - return 0; -} - static int aspeed_sham_digest(struct ahash_request *req) { return aspeed_sham_init(req) ? : aspeed_sham_finup(req); @@ -854,7 +791,7 @@ static int aspeed_sham_cra_init(struct crypto_tfm *tfm) struct aspeed_sham_ctx *tctx = crypto_tfm_ctx(tfm); struct aspeed_hace_alg *ast_alg; - ast_alg = container_of(alg, struct aspeed_hace_alg, alg.ahash); + ast_alg = container_of(alg, struct aspeed_hace_alg, alg.ahash.base); tctx->hace_dev = ast_alg->hace_dev; tctx->flags = 0; @@ -876,10 +813,6 @@ static int aspeed_sham_cra_init(struct crypto_tfm *tfm) } } - tctx->enginectx.op.do_one_request = aspeed_ahash_do_request; - tctx->enginectx.op.prepare_request = aspeed_ahash_prepare_request; - tctx->enginectx.op.unprepare_request = NULL; - return 0; } @@ -917,7 +850,7 @@ static int aspeed_sham_import(struct ahash_request *req, const void *in) static struct aspeed_hace_alg aspeed_ahash_algs[] = { { - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -944,9 +877,12 @@ static struct aspeed_hace_alg aspeed_ahash_algs[] = { } } }, + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, + }, }, { - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -973,9 +909,12 @@ static struct aspeed_hace_alg aspeed_ahash_algs[] = { } } }, + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, + }, }, { - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -1002,10 +941,13 @@ static struct aspeed_hace_alg aspeed_ahash_algs[] = { } } }, + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, + }, }, { .alg_base = "sha1", - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -1034,10 +976,13 @@ static struct aspeed_hace_alg aspeed_ahash_algs[] = { } } }, + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, + }, }, { .alg_base = "sha224", - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -1066,10 +1011,13 @@ static struct aspeed_hace_alg aspeed_ahash_algs[] = { } } }, + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, + }, }, { .alg_base = "sha256", - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -1098,12 +1046,15 @@ static struct aspeed_hace_alg aspeed_ahash_algs[] = { } } }, + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, + }, }, }; static struct aspeed_hace_alg aspeed_ahash_algs_g6[] = { { - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -1130,9 +1081,12 @@ static struct aspeed_hace_alg aspeed_ahash_algs_g6[] = { } } }, + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, + }, }, { - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -1159,68 +1113,13 @@ static struct aspeed_hace_alg aspeed_ahash_algs_g6[] = { } } }, - }, - { - .alg.ahash = { - .init = aspeed_sha512s_init, - .update = aspeed_sham_update, - .final = aspeed_sham_final, - .finup = aspeed_sham_finup, - .digest = aspeed_sham_digest, - .export = aspeed_sham_export, - .import = aspeed_sham_import, - .halg = { - .digestsize = SHA224_DIGEST_SIZE, - .statesize = sizeof(struct aspeed_sham_reqctx), - .base = { - .cra_name = "sha512_224", - .cra_driver_name = "aspeed-sha512_224", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_AHASH | - CRYPTO_ALG_ASYNC | - CRYPTO_ALG_KERN_DRIVER_ONLY, - .cra_blocksize = SHA512_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aspeed_sham_ctx), - .cra_alignmask = 0, - .cra_module = THIS_MODULE, - .cra_init = aspeed_sham_cra_init, - .cra_exit = aspeed_sham_cra_exit, - } - } - }, - }, - { - .alg.ahash = { - .init = aspeed_sha512s_init, - .update = aspeed_sham_update, - .final = aspeed_sham_final, - .finup = aspeed_sham_finup, - .digest = aspeed_sham_digest, - .export = aspeed_sham_export, - .import = aspeed_sham_import, - .halg = { - .digestsize = SHA256_DIGEST_SIZE, - .statesize = sizeof(struct aspeed_sham_reqctx), - .base = { - .cra_name = "sha512_256", - .cra_driver_name = "aspeed-sha512_256", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_AHASH | - CRYPTO_ALG_ASYNC | - CRYPTO_ALG_KERN_DRIVER_ONLY, - .cra_blocksize = SHA512_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aspeed_sham_ctx), - .cra_alignmask = 0, - .cra_module = THIS_MODULE, - .cra_init = aspeed_sham_cra_init, - .cra_exit = aspeed_sham_cra_exit, - } - } + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, }, }, { .alg_base = "sha384", - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -1249,10 +1148,13 @@ static struct aspeed_hace_alg aspeed_ahash_algs_g6[] = { } } }, + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, + }, }, { .alg_base = "sha512", - .alg.ahash = { + .alg.ahash.base = { .init = aspeed_sham_init, .update = aspeed_sham_update, .final = aspeed_sham_final, @@ -1281,69 +1183,8 @@ static struct aspeed_hace_alg aspeed_ahash_algs_g6[] = { } } }, - }, - { - .alg_base = "sha512_224", - .alg.ahash = { - .init = aspeed_sha512s_init, - .update = aspeed_sham_update, - .final = aspeed_sham_final, - .finup = aspeed_sham_finup, - .digest = aspeed_sham_digest, - .setkey = aspeed_sham_setkey, - .export = aspeed_sham_export, - .import = aspeed_sham_import, - .halg = { - .digestsize = SHA224_DIGEST_SIZE, - .statesize = sizeof(struct aspeed_sham_reqctx), - .base = { - .cra_name = "hmac(sha512_224)", - .cra_driver_name = "aspeed-hmac-sha512_224", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_AHASH | - CRYPTO_ALG_ASYNC | - CRYPTO_ALG_KERN_DRIVER_ONLY, - .cra_blocksize = SHA512_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aspeed_sham_ctx) + - sizeof(struct aspeed_sha_hmac_ctx), - .cra_alignmask = 0, - .cra_module = THIS_MODULE, - .cra_init = aspeed_sham_cra_init, - .cra_exit = aspeed_sham_cra_exit, - } - } - }, - }, - { - .alg_base = "sha512_256", - .alg.ahash = { - .init = aspeed_sha512s_init, - .update = aspeed_sham_update, - .final = aspeed_sham_final, - .finup = aspeed_sham_finup, - .digest = aspeed_sham_digest, - .setkey = aspeed_sham_setkey, - .export = aspeed_sham_export, - .import = aspeed_sham_import, - .halg = { - .digestsize = SHA256_DIGEST_SIZE, - .statesize = sizeof(struct aspeed_sham_reqctx), - .base = { - .cra_name = "hmac(sha512_256)", - .cra_driver_name = "aspeed-hmac-sha512_256", - .cra_priority = 300, - .cra_flags = CRYPTO_ALG_TYPE_AHASH | - CRYPTO_ALG_ASYNC | - CRYPTO_ALG_KERN_DRIVER_ONLY, - .cra_blocksize = SHA512_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aspeed_sham_ctx) + - sizeof(struct aspeed_sha_hmac_ctx), - .cra_alignmask = 0, - .cra_module = THIS_MODULE, - .cra_init = aspeed_sham_cra_init, - .cra_exit = aspeed_sham_cra_exit, - } - } + .alg.ahash.op = { + .do_one_request = aspeed_ahash_do_one, }, }, }; @@ -1353,13 +1194,13 @@ void aspeed_unregister_hace_hash_algs(struct aspeed_hace_dev *hace_dev) int i; for (i = 0; i < ARRAY_SIZE(aspeed_ahash_algs); i++) - crypto_unregister_ahash(&aspeed_ahash_algs[i].alg.ahash); + crypto_engine_unregister_ahash(&aspeed_ahash_algs[i].alg.ahash); if (hace_dev->version != AST2600_VERSION) return; for (i = 0; i < ARRAY_SIZE(aspeed_ahash_algs_g6); i++) - crypto_unregister_ahash(&aspeed_ahash_algs_g6[i].alg.ahash); + crypto_engine_unregister_ahash(&aspeed_ahash_algs_g6[i].alg.ahash); } void aspeed_register_hace_hash_algs(struct aspeed_hace_dev *hace_dev) @@ -1370,10 +1211,10 @@ void aspeed_register_hace_hash_algs(struct aspeed_hace_dev *hace_dev) for (i = 0; i < ARRAY_SIZE(aspeed_ahash_algs); i++) { aspeed_ahash_algs[i].hace_dev = hace_dev; - rc = crypto_register_ahash(&aspeed_ahash_algs[i].alg.ahash); + rc = crypto_engine_register_ahash(&aspeed_ahash_algs[i].alg.ahash); if (rc) { AHASH_DBG(hace_dev, "Failed to register %s\n", - aspeed_ahash_algs[i].alg.ahash.halg.base.cra_name); + aspeed_ahash_algs[i].alg.ahash.base.halg.base.cra_name); } } @@ -1382,10 +1223,10 @@ void aspeed_register_hace_hash_algs(struct aspeed_hace_dev *hace_dev) for (i = 0; i < ARRAY_SIZE(aspeed_ahash_algs_g6); i++) { aspeed_ahash_algs_g6[i].hace_dev = hace_dev; - rc = crypto_register_ahash(&aspeed_ahash_algs_g6[i].alg.ahash); + rc = crypto_engine_register_ahash(&aspeed_ahash_algs_g6[i].alg.ahash); if (rc) { AHASH_DBG(hace_dev, "Failed to register %s\n", - aspeed_ahash_algs_g6[i].alg.ahash.halg.base.cra_name); + aspeed_ahash_algs_g6[i].alg.ahash.base.halg.base.cra_name); } } } |