fix: remove codes about md5 (weak hash, not safe enough)

growingio · Nov 14, 2023 · a9d6c78 · a9d6c78
1 parent 7306333
commit a9d6c78
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diff --git a/GrowingTrackerCore/Helpers/Foundation/NSData+GrowingHelper.h b/GrowingTrackerCore/Helpers/Foundation/NSData+GrowingHelper.h
@@ -23,8 +23,6 @@
 
 - (NSString *)growingHelper_base64String;
 - (NSString *)growingHelper_utf8String;
-- (NSString *)growingHelper_md5String;
-- (void)growingHelper_md5value:(unsigned char *)valueArray;
 - (NSData *)growingHelper_LZ4String;
 - (id)growingHelper_jsonObject;
 - (NSArray *)growingHelper_arrayObject;

diff --git a/GrowingTrackerCore/Helpers/Foundation/NSData+GrowingHelper.m b/GrowingTrackerCore/Helpers/Foundation/NSData+GrowingHelper.m
@@ -120,33 +120,6 @@ - (NSArray *)growingHelper_arrayObject {
     }
 }
 
-- (void)growingHelper_md5value:(unsigned char *)valueArray {
-    CC_MD5(self.bytes, (CC_LONG)[self length], valueArray);
-}
-
-- (NSString *)growingHelper_md5String {
-    unsigned char result[16];
-    [self growingHelper_md5value:result];
-    NSString *retVal = [NSString stringWithFormat:@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
-                                                  result[0],
-                                                  result[1],
-                                                  result[2],
-                                                  result[3],
-                                                  result[4],
-                                                  result[5],
-                                                  result[6],
-                                                  result[7],
-                                                  result[8],
-                                                  result[9],
-                                                  result[10],
-                                                  result[11],
-                                                  result[12],
-                                                  result[13],
-                                                  result[14],
-                                                  result[15]];
-    return retVal;
-}
-
 - (NSData *)growingHelper_xorEncryptWithHint:(unsigned char)hint {
     id<GrowingEncryptionService> service =
         [[GrowingServiceManager sharedInstance] createService:@protocol(GrowingEncryptionService)];