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pki: null ptr check

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This commit is contained in:
Aris Adamantiadis
2011-09-18 20:29:39 +02:00
parent 09b33b1b6e
commit d24e353e38
1 changed files with 5 additions and 1 deletions
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6
src/pki.c
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@@ -1233,7 +1233,11 @@ ssh_string ssh_srv_pki_do_sign_sessionid(ssh_session session,
if (ctx == NULL) {
return NULL;
}
sha1_update(ctx, crypto->session_id, SHA_DIGEST_LEN);
if (crypto->session_id == NULL){
ssh_set_error(session,SSH_FATAL,"Missing session_id");
return NULL;
}
sha1_update(ctx, crypto->session_id, crypto->digest_len);
sha1_final(hash, ctx);
#ifdef DEBUG_CRYPTO