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| author | John Stultz <john.stultz@linaro.org> | 2011-10-26 13:48:49 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-10-26 13:48:49 -0700 |
| commit | 2216773fc021964a413409141d439de4f6a108f7 (patch) | |
| tree | 7b2f8cdcdf5fb05d75bd92f0c8d9ac635ceec48c /crypto/ghash-generic.c | |
| parent | 42ac8ca89aef66618e8ae2d6e48e3f523bfcd69d (diff) | |
| parent | af1bdb79ca64ceadc7b44b11929b384eff66ce59 (diff) | |
Merge branch 'upstream/linaro-3.1' into linaro-android-3.1-agreen-rebaselinux-linaro-3.1-2011.10-2-android-0
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 be442561693..7835b8fc94d 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); |