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authorDr. Stephen Henson <steve@openssl.org>2013-08-01 15:48:44 +0100
committerDr. Stephen Henson <steve@openssl.org>2013-08-05 15:45:00 +0100
commit3f6b6f0b8cbd7173b6c007b07caa6ec34cda08c5 (patch)
tree7d6f6c817db96e1d19521f45e576662666d8e3df
parente61f5d55bc0072e75023be8971ae6e849643f466 (diff)
downloadopenssl-new-3f6b6f0b8cbd7173b6c007b07caa6ec34cda08c5.tar.gz
Minor optimisation to KDF algorithm.
Don't need to use temporary buffer if remaining length equals digest length.
-rw-r--r--crypto/ecdh/ech_kdf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/ecdh/ech_kdf.c b/crypto/ecdh/ech_kdf.c
index 84bf108b90..848b91745f 100644
--- a/crypto/ecdh/ech_kdf.c
+++ b/crypto/ecdh/ech_kdf.c
@@ -90,7 +90,7 @@ int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
goto err;
if (!EVP_DigestUpdate(&mctx, sinfo, sinfolen))
goto err;
- if (outlen > mdlen)
+ if (outlen >= mdlen)
{
if (!EVP_DigestFinal(&mctx, out, NULL))
goto err;