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SHA1 and MD5 with Objective C
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#import <CommonCrypto/CommonDigest.h> | |
-(NSString*) sha1:(NSString*)input | |
{ | |
const char *cstr = [input cStringUsingEncoding:NSUTF8StringEncoding]; | |
NSData *data = [NSData dataWithBytes:cstr length:input.length]; | |
uint8_t digest[CC_SHA1_DIGEST_LENGTH]; | |
CC_SHA1(data.bytes, data.length, digest); | |
NSMutableString* output = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2]; | |
for(int i = 0; i < CC_SHA1_DIGEST_LENGTH; i++) | |
[output appendFormat:@"%02x", digest[i]]; | |
return output; | |
} | |
- (NSString *) md5:(NSString *) input | |
{ | |
const char *cStr = [input UTF8String]; | |
unsigned char digest[16]; | |
CC_MD5( cStr, strlen(cStr), digest ); // This is the md5 call | |
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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