diff options
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index 6e9eb9bffec7..955b25ebffee 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -21,7 +21,6 @@ struct safexcel_ahash_ctx { struct safexcel_crypto_priv *priv; u32 alg; - u32 digest; u32 ipad[SHA1_DIGEST_SIZE / sizeof(u32)]; u32 opad[SHA1_DIGEST_SIZE / sizeof(u32)]; @@ -36,6 +35,8 @@ struct safexcel_ahash_req { int nents; dma_addr_t result_dma; + u32 digest; + u8 state_sz; /* expected sate size, only set once */ u32 state[SHA256_DIGEST_SIZE / sizeof(u32)] __aligned(sizeof(u32)); @@ -53,6 +54,8 @@ struct safexcel_ahash_export_state { u64 len; u64 processed; + u32 digest; + u32 state[SHA256_DIGEST_SIZE / sizeof(u32)]; u8 cache[SHA256_BLOCK_SIZE]; }; @@ -86,9 +89,9 @@ static void safexcel_context_control(struct safexcel_ahash_ctx *ctx, cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_HASH_OUT; cdesc->control_data.control0 |= ctx->alg; - cdesc->control_data.control0 |= ctx->digest; + cdesc->control_data.control0 |= req->digest; - if (ctx->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) { + if (req->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) { if (req->processed) { if (ctx->alg == CONTEXT_CONTROL_CRYPTO_ALG_SHA1) cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(6); @@ -116,7 +119,7 @@ static void safexcel_context_control(struct safexcel_ahash_ctx *ctx, if (req->finish) ctx->base.ctxr->data[i] = cpu_to_le32(req->processed / blocksize); } - } else if (ctx->digest == CONTEXT_CONTROL_DIGEST_HMAC) { + } else if (req->digest == CONTEXT_CONTROL_DIGEST_HMAC) { cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(10); memcpy(ctx->base.ctxr->data, ctx->ipad, digestsize); @@ -555,7 +558,7 @@ static int safexcel_ahash_enqueue(struct ahash_request *areq) if (ctx->base.ctxr) { if (priv->version == EIP197 && !ctx->base.needs_inv && req->processed && - ctx->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) + req->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) /* We're still setting needs_inv here, even though it is * cleared right away, because the needs_inv flag can be * set in other functions and we want to keep the same @@ -590,7 +593,6 @@ static int safexcel_ahash_enqueue(struct ahash_request *areq) static int safexcel_ahash_update(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); struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq); @@ -606,7 +608,7 @@ static int safexcel_ahash_update(struct ahash_request *areq) * We're not doing partial updates when performing an hmac request. * Everything will be handled by the final() call. */ - if (ctx->digest == CONTEXT_CONTROL_DIGEST_HMAC) + if (req->digest == CONTEXT_CONTROL_DIGEST_HMAC) return 0; if (req->hmac) @@ -665,6 +667,8 @@ static int safexcel_ahash_export(struct ahash_request *areq, void *out) export->len = req->len; export->processed = req->processed; + export->digest = req->digest; + memcpy(export->state, req->state, req->state_sz); memcpy(export->cache, req->cache, crypto_ahash_blocksize(ahash)); @@ -685,6 +689,8 @@ static int safexcel_ahash_import(struct ahash_request *areq, const void *in) req->len = export->len; req->processed = export->processed; + req->digest = export->digest; + memcpy(req->cache, export->cache, crypto_ahash_blocksize(ahash)); memcpy(req->state, export->state, req->state_sz); @@ -721,7 +727,7 @@ static int safexcel_sha1_init(struct ahash_request *areq) req->state[4] = SHA1_H4; ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA1; - ctx->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; + req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; req->state_sz = SHA1_DIGEST_SIZE; return 0; @@ -788,10 +794,10 @@ struct safexcel_alg_template safexcel_alg_sha1 = { static int safexcel_hmac_sha1_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); safexcel_sha1_init(areq); - ctx->digest = CONTEXT_CONTROL_DIGEST_HMAC; + req->digest = CONTEXT_CONTROL_DIGEST_HMAC; return 0; } @@ -1029,7 +1035,7 @@ static int safexcel_sha256_init(struct ahash_request *areq) req->state[7] = SHA256_H7; ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA256; - ctx->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; + req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; req->state_sz = SHA256_DIGEST_SIZE; return 0; @@ -1091,7 +1097,7 @@ static int safexcel_sha224_init(struct ahash_request *areq) req->state[7] = SHA224_H7; ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA224; - ctx->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; + req->digest = CONTEXT_CONTROL_DIGEST_PRECOMPUTED; req->state_sz = SHA256_DIGEST_SIZE; return 0; |