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crypto: mv_cesa - fill inner/outer IV fields only in HMAC case

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Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Phil Sutter 2011-05-05 15:29:03 +02:00 committed by Herbert Xu
parent 6677a776cf
commit cc8d35057c
1 changed files with 3 additions and 3 deletions
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6
drivers/crypto/mv_cesa.c
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@ -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);