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Hash methods for NSString and NSData
Objective-C
Branch: master

README.md

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/NSString+NSHash.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.

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