How to get md5 and SHA1 in objective c (iOS sdk)

Calculating the md5 and sha1 hash in iOS sdk is pretty simple -

Step 1– The very first thing you need to do is import CommonCrypto’s CommonDigest.h


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戴维营教育代码1#import <CommonCrypto/CommonDigest.h>

Step 2– Here is the real code for calculating SHA1 and MD5 hash -

SHA1 -


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戴维营教育代码0102030405060708091011121314151617-(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;}
MD5 -

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戴维营教育代码0102030405060708091011121314- (NSString *) md5:(NSString *) input{const char *cStr = [input UTF8String];unsigned char digest[16];CC_MD5( cStr, strlen(cStr), digest ); // This is the md5 callNSMutableString *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;}

Hope it will help someone!!

via:
http://www.makebetterthings.com/ ... bjective-c-ios-sdk/

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