diff options
Diffstat (limited to 'crypto/ghash-generic.c')
| -rw-r--r-- | crypto/ghash-generic.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/ghash-generic.c b/crypto/ghash-generic.c index be44256..7835b8f 100644 --- a/crypto/ghash-generic.c +++ b/crypto/ghash-generic.c @@ -67,6 +67,9 @@ 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); @@ -119,6 +122,9 @@ 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); |