From cc8d35057ce7ae2f88cc65be0f839316c4641332 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Thu, 5 May 2011 15:29:03 +0200 Subject: [PATCH] crypto: mv_cesa - fill inner/outer IV fields only in HMAC case Signed-off-by: Phil Sutter Signed-off-by: Herbert Xu --- drivers/crypto/mv_cesa.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c index de09303675d8..c1925c2a88b0 100644 --- a/drivers/crypto/mv_cesa.c +++ b/drivers/crypto/mv_cesa.c @@ -296,6 +296,7 @@ static void mv_crypto_algo_completion(void) static void mv_process_hash_current(int first_block) { struct ahash_request *req = ahash_request_cast(cpg->cur_req); + const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm); struct mv_req_hash_ctx *req_ctx = ahash_request_ctx(req); struct req_progress *p = &cpg->p; struct sec_accel_config op = { 0 }; @@ -308,6 +309,8 @@ static void mv_process_hash_current(int first_block) break; case COP_HMAC_SHA1: op.config = CFG_OP_MAC_ONLY | CFG_MACM_HMAC_SHA1; + memcpy(cpg->sram + SRAM_HMAC_IV_IN, + tfm_ctx->ivs, sizeof(tfm_ctx->ivs)); break; } @@ -510,7 +513,6 @@ static void mv_start_new_hash_req(struct ahash_request *req) { struct req_progress *p = &cpg->p; struct mv_req_hash_ctx *ctx = ahash_request_ctx(req); - const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm); int num_sgs, hw_bytes, old_extra_bytes, rc; cpg->cur_req = &req->base; memset(p, 0, sizeof(struct req_progress)); @@ -523,8 +525,6 @@ static void mv_start_new_hash_req(struct ahash_request *req) p->crypt_len = ctx->extra_bytes; } - memcpy(cpg->sram + SRAM_HMAC_IV_IN, tfm_ctx->ivs, sizeof(tfm_ctx->ivs)); - if (unlikely(!ctx->first_hash)) { writel(ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A); writel(ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B); -- 2.39.2