diff options
Diffstat (limited to 'drivers/crypto/inside-secure')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.c | 2 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.h | 2 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 69 |
3 files changed, 71 insertions, 2 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 9e5d2bf232eb..188e459aa923 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -406,6 +406,7 @@ static int safexcel_hw_init(struct safexcel_crypto_priv *priv) val |= EIP197_PROTOCOL_ENCRYPT_ONLY | EIP197_PROTOCOL_HASH_ONLY; val |= EIP197_PROTOCOL_ENCRYPT_HASH | EIP197_PROTOCOL_HASH_DECRYPT; val |= EIP197_ALG_AES_ECB | EIP197_ALG_AES_CBC; + val |= EIP197_ALG_MD5; val |= EIP197_ALG_SHA1 | EIP197_ALG_HMAC_SHA1; val |= EIP197_ALG_SHA2 | EIP197_ALG_HMAC_SHA2; writel(val, EIP197_PE(priv) + EIP197_PE_EIP96_FUNCTION_EN(pe)); @@ -841,6 +842,7 @@ static int safexcel_request_ring_irq(struct platform_device *pdev, const char *n static struct safexcel_alg_template *safexcel_algs[] = { &safexcel_alg_ecb_aes, &safexcel_alg_cbc_aes, + &safexcel_alg_md5, &safexcel_alg_sha1, &safexcel_alg_sha224, &safexcel_alg_sha256, diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h index 95095cb95ba4..fcd26ae70166 100644 --- a/drivers/crypto/inside-secure/safexcel.h +++ b/drivers/crypto/inside-secure/safexcel.h @@ -316,6 +316,7 @@ struct safexcel_context_record { #define CONTEXT_CONTROL_CRYPTO_ALG_AES256 (0x7 << 17) #define CONTEXT_CONTROL_DIGEST_PRECOMPUTED (0x1 << 21) #define CONTEXT_CONTROL_DIGEST_HMAC (0x3 << 21) +#define CONTEXT_CONTROL_CRYPTO_ALG_MD5 (0x0 << 23) #define CONTEXT_CONTROL_CRYPTO_ALG_SHA1 (0x2 << 23) #define CONTEXT_CONTROL_CRYPTO_ALG_SHA224 (0x4 << 23) #define CONTEXT_CONTROL_CRYPTO_ALG_SHA256 (0x3 << 23) @@ -691,6 +692,7 @@ int safexcel_hmac_setkey(const char *alg, const u8 *key, unsigned int keylen, /* available algorithms */ extern struct safexcel_alg_template safexcel_alg_ecb_aes; extern struct safexcel_alg_template safexcel_alg_cbc_aes; +extern struct safexcel_alg_template safexcel_alg_md5; extern struct safexcel_alg_template safexcel_alg_sha1; extern struct safexcel_alg_template safexcel_alg_sha224; extern struct safexcel_alg_template safexcel_alg_sha256; diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index c266398647bc..4fec8fe07044 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -9,6 +9,7 @@ */ #include <crypto/hmac.h> +#include <crypto/md5.h> #include <crypto/sha.h> #include <linux/device.h> #include <linux/dma-mapping.h> @@ -91,7 +92,9 @@ static void safexcel_context_control(struct safexcel_ahash_ctx *ctx, if (req->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) { if (req->processed[0] || req->processed[1]) { - if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) + if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_MD5) + cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(5); + else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(6); else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA224 || ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA256) @@ -652,7 +655,10 @@ static int safexcel_ahash_final(struct ahash_request *areq) /* If we have an overall 0 length request */ if (!req->len[0] && !req->len[1] && !areq->nbytes) { - if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) + if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_MD5) + memcpy(areq->result, md5_zero_message_hash, + MD5_DIGEST_SIZE); + else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) memcpy(areq->result, sha1_zero_message_hash, SHA1_DIGEST_SIZE); else if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA224) @@ -1554,3 +1560,62 @@ struct safexcel_alg_template safexcel_alg_hmac_sha384 = { }, }, }; + +static int safexcel_md5_init(struct ahash_request *areq) +{ + struct safexcel_ahash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(areq)); + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + memset(req, 0, sizeof(*req)); + + req->state[0] = MD5_H0; + req->state[1] = MD5_H1; + req->state[2] = MD5_H2; + req->state[3] = MD5_H3; + + ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_MD5; + req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; + req->state_sz = MD5_DIGEST_SIZE; + + return 0; +} + +static int safexcel_md5_digest(struct ahash_request *areq) +{ + int ret = safexcel_md5_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_md5 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.ahash = { + .init = safexcel_md5_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_md5_digest, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = MD5_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "md5", + .cra_driver_name = "safexcel-md5", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = MD5_HMAC_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_ahash_ctx), + .cra_init = safexcel_ahash_cra_init, + .cra_exit = safexcel_ahash_cra_exit, + .cra_module = THIS_MODULE, + }, + }, + }, +}; |