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crypto: ghash - remove checks for key being set 

Now that the crypto API prevents a keyed hash from being used without
setting the key, there's no need for GHASH to do this check itself.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2018-01-03 11:16:28 -08:00 committed by Herbert Xu
parent 9fa68f6200
commit 4e1d14bcd1
1 changed files with 0 additions and 6 deletions
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6
crypto/ghash-generic.c
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@ -56,9 +56,6 @@ static int ghash_update(struct shash_desc *desc,
struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
u8 *dst = dctx->buffer;
if (!ctx->gf128)
return -ENOKEY;
if (dctx->bytes) {
int n = min(srclen, dctx->bytes);
u8 *pos = dst + (GHASH_BLOCK_SIZE - dctx->bytes);
@ -111,9 +108,6 @@ static int ghash_final(struct shash_desc *desc, u8 *dst)
struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
u8 *buf = dctx->buffer;
if (!ctx->gf128)
return -ENOKEY;
ghash_flush(ctx, dctx);
memcpy(dst, buf, GHASH_BLOCK_SIZE);