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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#import <CommonCrypto/CommonDigest.h>
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Step 2 – Here is the real code for calculating SHA1 and MD5 hash -
SHA1 -
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-( 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;
}
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MD5 -
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- ( NSString *) md5:( 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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Hope it will help someone!!
via: http://www.makebetterthings.com/ ... bjective-c-ios-sdk/ |