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| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2015-10-25 15:11:14 +0200 |
|---|---|---|
| committer | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2015-10-28 20:12:21 +0200 |
| commit | cee2e122ec6c1886957a8d47498eb63a6a921725 (patch) | |
| tree | a24b86c36f84e71f3fcf09ff6fbd5ff8fa2c0b32 /cipher | |
| parent | 74184c28fbe7ff58cf57f0094ef957d94045da7d (diff) | |
| download | libgcrypt-cee2e122ec6c1886957a8d47498eb63a6a921725.tar.gz | |
md: check hmac flag in prepare_macpads
* cipher/md.c (prepare_macpads): Check hmac flag.
--
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Diffstat (limited to 'cipher')
| -rw-r--r-- | cipher/md.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/cipher/md.c b/cipher/md.c index c6bf90d2..948d269b 100644 --- a/cipher/md.c +++ b/cipher/md.c @@ -671,6 +671,9 @@ prepare_macpads (gcry_md_hd_t a, const unsigned char *key, size_t keylen) if (!a->ctx->list) return GPG_ERR_DIGEST_ALGO; /* Might happen if no algo is enabled. */ + if (!a->ctx->flags.hmac) + return GPG_ERR_DIGEST_ALGO; /* Tried setkey for non-HMAC md. */ + for (r = a->ctx->list; r; r = r->next) { const unsigned char *k; |