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Check index >= 0 as 0 is a valid index. 

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2587)
This commit is contained in:
Dr. Stephen Henson 2017-02-10 04:22:18 +00:00
parent 88be429f2e
commit 8fd19b20be
1 changed files with 1 additions and 1 deletions
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ssl/t1_lib.c
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@ -1601,7 +1601,7 @@ int tls1_process_sigalgs(SSL *s)
if (SSL_IS_TLS13(s) && sigptr->sig == EVP_PKEY_RSA)
continue;
idx = tls12_get_pkey_idx(sigptr->sig);
if (idx > 0 && pmd[idx] == NULL) {
if (idx >= 0 && pmd[idx] == NULL) {
md = ssl_md(sigptr->hash_idx);
pmd[idx] = md;
pvalid[idx] = CERT_PKEY_EXPLICIT_SIGN;