X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/4c8bebffd4bc105ebaa09256b7a57f4a6201bd52..HEAD:/sigcheck.c

diff --git a/sigcheck.c b/sigcheck.c
index fc04626..a0f4feb 100644
--- a/sigcheck.c
+++ b/sigcheck.c
@@ -27,6 +27,7 @@
 
 #ifdef HAVE_NETTLE
 #include <nettle/md5.h>
+#include <nettle/ripemd160.h>
 #include <nettle/sha.h>
 #else
 #include "md5.h"
@@ -42,6 +43,9 @@ int check_packet_sighash(struct openpgp_publickey *key,
 	size_t siglen, unhashedlen;
 	struct sha1_ctx sha1_context;
 	struct md5_ctx md5_context;
+#ifdef NETTLE_WITH_RIPEMD160
+	struct ripemd160_ctx ripemd160_context;
+#endif
 #ifdef NETTLE_WITH_SHA224
 	struct sha224_ctx sha224_context;
 #endif
@@ -57,7 +61,7 @@ int check_packet_sighash(struct openpgp_publickey *key,
 	uint8_t keyheader[3];
 	uint8_t packetheader[5];
 	uint8_t v4trailer[6];
-	uint8_t hash[20];
+	uint8_t hash[64];
 	uint8_t *hashdata[8];
 	size_t hashlen[8];
 	int chunks, i;
@@ -165,6 +169,19 @@ int check_packet_sighash(struct openpgp_publickey *key,
 		}
 		sha1_digest(&sha1_context, 20, hash);
 		break;
+	case OPENPGP_HASH_RIPEMD160:
+#ifdef NETTLE_WITH_RIPEMD160
+		ripemd160_init(&ripemd160_context);
+		for (i = 0; i < chunks; i++) {
+			ripemd160_update(&ripemd160_context, hashlen[i],
+				hashdata[i]);
+		}
+		ripemd160_digest(&ripemd160_context, RIPEMD160_DIGEST_SIZE,
+			hash);
+#else
+		logthing(LOGTHING_INFO, "RIPEMD160 support not available.");
+		return -1;
+#endif
 	case OPENPGP_HASH_SHA224:
 #ifdef NETTLE_WITH_SHA224
 		sha224_init(&sha224_context);
@@ -173,10 +190,11 @@ int check_packet_sighash(struct openpgp_publickey *key,
 				hashdata[i]);
 		}
 		sha224_digest(&sha224_context, SHA224_DIGEST_SIZE, hash);
+		break;
 #else
 		logthing(LOGTHING_INFO, "SHA224 support not available.");
+		return -1;
 #endif
-		break;
 	case OPENPGP_HASH_SHA256:
 #ifdef NETTLE_WITH_SHA256
 		sha256_init(&sha256_context);
@@ -185,10 +203,11 @@ int check_packet_sighash(struct openpgp_publickey *key,
 				hashdata[i]);
 		}
 		sha256_digest(&sha256_context, SHA256_DIGEST_SIZE, hash);
+		break;
 #else
 		logthing(LOGTHING_INFO, "SHA256 support not available.");
+		return -1;
 #endif
-		break;
 	case OPENPGP_HASH_SHA384:
 #ifdef NETTLE_WITH_SHA384
 		sha384_init(&sha384_context);
@@ -197,10 +216,11 @@ int check_packet_sighash(struct openpgp_publickey *key,
 				hashdata[i]);
 		}
 		sha384_digest(&sha384_context, SHA384_DIGEST_SIZE, hash);
+		break;
 #else
 		logthing(LOGTHING_INFO, "SHA384 support not available.");
+		return -1;
 #endif
-		break;
 	case OPENPGP_HASH_SHA512:
 #ifdef NETTLE_WITH_SHA512
 		sha512_init(&sha512_context);
@@ -209,10 +229,11 @@ int check_packet_sighash(struct openpgp_publickey *key,
 				hashdata[i]);
 		}
 		sha512_digest(&sha512_context, SHA512_DIGEST_SIZE, hash);
+		break;
 #else
 		logthing(LOGTHING_INFO, "SHA512 support not available.");
+		return -1;
 #endif
-		break;
 	default:
 		logthing(LOGTHING_ERROR, "Unsupported signature hash type %d",
 				hashtype);