2013.08.22
00:01
author: taikiken
0件のコメント
Objective-Cリハビリ中メモ。
環境: Xcode 4.6.3, iOS 6.
Objective-Cで md5, sha1, sha2 を作ってみる。
md5
// md5
+(NSString *) md5WithString:(NSString *)input
{
const char *cStr = [input UTF8String];
unsigned char digest[16];
CC_MD5( cStr, strlen(cStr), digest );
NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_MD5_DIGEST_LENGTH; i++)
[output appendFormat:@"%02x", digest[i]];
return output;
} |
// md5
+(NSString *) md5WithString:(NSString *)input
{
const char *cStr = [input UTF8String];
unsigned char digest[16];
CC_MD5( cStr, strlen(cStr), digest );
NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_MD5_DIGEST_LENGTH; i++)
[output appendFormat:@"%02x", digest[i]];
return output;
}
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