From 4e1d14bcd10a33537918a9a747ab90fc5c2e6d7f Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Wed, 3 Jan 2018 11:16:28 -0800
Subject: [PATCH] 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>
---
crypto/ghash-generic.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/crypto/ghash-generic.c b/crypto/ghash-generic.c
index 12ad3e3a84e3..1bffb3f712dd 100644
--- a/crypto/ghash-generic.c
+++ b/crypto/ghash-generic.c
@@ -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);
--
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