katty0324/NSHash

NSHash adds hashing methods to NSString and NSData.

NSHash adds hashing methods to NSString and NSData.

Use it

Copy the NSHash class into your project or add this line to your Podfile:

pod 'NSHash', '~> 1.0.1'

Quick API overview

Import the the category class you need:

#import <NSHash/NSData+NSString.h>
#import <NSHash/NSData+NSHash.h>

After that you can call MD5, SHA1 and SHA256 on any NSString:

NSString* string = @"NSHash";
NSLog(@"MD5:    %@", [string MD5]);
NSLog(@"SHA1:   %@", [string SHA1]);
NSLog(@"SHA256: %@", [string SHA256]);

This will return a new NSString with a hex code transformed version of the hash:

MD5:    ccbe85c2011c5fe3da7d760849c4f99e
SHA1:   f5b17712c5d31ab49654b0baadf699561958d750
SHA256: 84423607efac17079369134460239541285d5ff40594f9b8b16f567500162d2e

Or call MD5, SHA1 and SHA256 on any NSData:

NSData* data = [@"NSHash" dataUsingEncoding:NSUTF8StringEncoding];
NSLog(@"MD5:    %@", [data MD5]);
NSLog(@"SHA1:   %@", [data SHA1]);
NSLog(@"SHA256: %@", [data SHA256]);

Which will return the NSData with the hash as bytes without the hex transformation:

MD5:    <ccbe85c2 011c5fe3 da7d7608 49c4f99e>
SHA1:   <f5b17712 c5d31ab4 9654b0ba adf69956 1958d750>
SHA256: <84423607 efac1707 93691344 60239541 285d5ff4 0594f9b8 b16f5675 00162d2e>

Feedback are welcome

Please fill an issue for any feedback or if you missed any other convenience method.