X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=crypt_common.c;h=3a44dbdddcd1cf59108ba110c8d83c4fac11d609;hb=d440a71683940a58747de6dc32643db452d9cf54;hp=c1e40d920ff425ccfdcc536c5fb69cd0422472ca;hpb=fb3fd5b4ddaf52e19303126ea1bacacc5954d808;p=paraslash.git

diff --git a/crypt_common.c b/crypt_common.c
index c1e40d92..3a44dbdd 100644
--- a/crypt_common.c
+++ b/crypt_common.c
@@ -135,7 +135,7 @@ int check_private_key_file(const char *file)
 	return 1;
 }
 
-void hash_to_asc(unsigned char *hash, char *asc)
+void hash_to_asc(const unsigned char *hash, char *asc)
 {
 	int i;
 	const char hexchar[] = "0123456789abcdef";
@@ -147,7 +147,7 @@ void hash_to_asc(unsigned char *hash, char *asc)
 	asc[2 * HASH_SIZE] = '\0';
 }
 
-int hash_compare(unsigned char *h1, unsigned char *h2)
+int hash_compare(const unsigned char *h1, const unsigned char *h2)
 {
 	int i;
 
@@ -160,6 +160,31 @@ int hash_compare(unsigned char *h1, unsigned char *h2)
 	return 0;
 }
 
+void hash2_to_asc(const unsigned char *hash, char *asc)
+{
+	int i;
+	const char hexchar[] = "0123456789abcdef";
+
+	for (i = 0; i < HASH2_SIZE; i++) {
+		asc[2 * i] = hexchar[hash[i] >> 4];
+		asc[2 * i + 1] = hexchar[hash[i] & 0xf];
+	}
+	asc[2 * HASH2_SIZE] = '\0';
+}
+
+int hash2_compare(const unsigned char *h1, const unsigned char *h2)
+{
+	int i;
+
+	for (i = 0; i < HASH2_SIZE; i++) {
+		if (h1[i] < h2[i])
+			return -1;
+		if (h1[i] > h2[i])
+			return 1;
+	}
+	return 0;
+}
+
 /**
  * Check header of an openssh private key and compute bignum offset.
  *