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| author | Phil Sutter <phil.sutter@viprinet.com> | 2011-05-05 15:29:03 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-05-11 15:06:19 +1000 |
| commit | cc8d35057ce7ae2f88cc65be0f839316c4641332 (patch) | |
| tree | 4eafc10f578f9ba4814bd4e417542e8f588cdc2a /drivers/crypto | |
| parent | 6677a776cf3dc4950a790946f88d26dafc4baf7b (diff) | |
| download | lwn-cc8d35057ce7ae2f88cc65be0f839316c4641332.tar.gz lwn-cc8d35057ce7ae2f88cc65be0f839316c4641332.zip | |
crypto: mv_cesa - fill inner/outer IV fields only in HMAC case
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/mv_cesa.c | 6 |
1 files 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); |