verifySignatureWithSHA512 implemented

billchan · Apr 13, 2015 · 53c6ec5 · 53c6ec5 · hohl · Feb 27, 2016
1 parent 89590ee
commit 53c6ec5
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Showing 2 changed files with 22 additions and 1 deletion.
diff --git a/MIHCrypto/Core/MIHPublicKey.h b/MIHCrypto/Core/MIHPublicKey.h
@@ -53,4 +53,6 @@
  */
 - (BOOL)verifySignatureWithSHA256:(NSData *)signature message:(NSData *)message;
 
+- (BOOL)verifySignatureWithSHA512:(NSData *)signature message:(NSData *)message;
+
 @end
diff --git a/MIHCrypto/RSA/MIHRSAPublicKey.m b/MIHCrypto/RSA/MIHRSAPublicKey.m
@@ -171,13 +171,32 @@ - (BOOL)verifySignatureWithSHA256:(NSData *)signature message:(NSData *)message
     return YES;
 }
 
+- (BOOL)verifySignatureWithSHA512:(NSData *)signature message:(NSData *)message
+{
+    SHA512_CTX sha512Ctx;
+    unsigned char messageDigest[SHA512_DIGEST_LENGTH];
+    if(!SHA512_Init(&sha512Ctx)) {
+        return NO;
+    }
+    if (!SHA512_Update(&sha512Ctx, message.bytes, message.length)) {
+        return NO;
+    }
+    if (!SHA512_Final(messageDigest, &sha512Ctx)) {
+        return NO;
+    }
+    if (RSA_verify(NID_sha512, messageDigest, SHA512_DIGEST_LENGTH, signature.bytes, (int)signature.length, _rsa) == 0) {
+        return NO;
+    }
+    return YES;
+}
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark NSObject
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 - (NSString *)description
 {
-    return [[self dataValue] MIH_base64EncodedString];
+    return [[NSString alloc] initWithData:[self dataValue] encoding:NSUTF8StringEncoding];
 }
 
 @end
-Original file line number
+Diff line change
@@ Expand Up / @@ -53,4 +53,6 @@ @@
      */
     - (BOOL)verifySignatureWithSHA256:(NSData *)signature message:(NSData *)message;
+    - (BOOL)verifySignatureWithSHA512:(NSData *)signature message:(NSData *)message;
     @end