X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fopenssl%2Fdigest.c;h=0e600b9d07d31a0e83bfcecab08809442fbd467d;hb=52f64cdf954a525bf7de1c5f9d3be60dfbe220b5;hp=8d97e3bf9ed345c53e5db8dc7949297e06920c65;hpb=ee34ac3d6125b7d1f41afa82c7e30f0a7205546c;p=tinc

diff --git a/src/openssl/digest.c b/src/openssl/digest.c
index 8d97e3bf..0e600b9d 100644
--- a/src/openssl/digest.c
+++ b/src/openssl/digest.c
@@ -115,14 +115,23 @@ bool digest_verify(digest_t *digest, const void *indata, size_t inlen, const voi
 }
 
 int digest_get_nid(const digest_t *digest) {
-	return digest->digest ? digest->digest->type : 0;
+	if(!digest || !digest->digest)
+		return 0;
+
+	return digest->digest->type;
 }
 
 size_t digest_keylength(const digest_t *digest) {
+	if(!digest || !digest->digest)
+		return 0;
+
 	return digest->digest->md_size;
 }
 
 size_t digest_length(const digest_t *digest) {
+	if(!digest)
+		return 0;
+
 	return digest->maclength;
 }