https://github.com/michaelhenry/mhcrypto

Objective C HASHING and HMAC implementation for nsstring and nsdata.
https://github.com/michaelhenry/mhcrypto

Last synced: 10 months ago
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Objective C HASHING and HMAC implementation for nsstring and nsdata.

• Host: GitHub
• URL: https://github.com/michaelhenry/mhcrypto
• Owner: michaelhenry
• License: mit
• Created: 2017-02-21T19:41:06.000Z (almost 9 years ago)
• Default Branch: master
• Last Pushed: 2017-02-23T17:59:48.000Z (almost 9 years ago)
• Last Synced: 2025-03-03T06:01:52.949Z (10 months ago)
• Language: Objective-C
• Homepage:
• Size: 111 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# MHCrypto

HASHING and HMAC implementation for nsstring and nsdata. 

[![Build Status](https://travis-ci.org/michaelhenry/MHCrypto.svg?branch=master)](https://travis-ci.org/michaelhenry/MHCrypto)

[![CocoaPods](https://img.shields.io/cocoapods/v/MHCrypto.svg)](https://cocoapods.org/?q=mHCrypto)

[![iamkel.net](https://img.shields.io/badge/website-iamkel.net-blue.svg)](http://iamkel.net)

### HOW to

- Please run the test. thanks

```objc

/*

aws version 4 - HMAC

http://docs.aws.amazon.com/general/latest/gr/signature-v4-examples.html

*/

NSString *key = @"wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY";

NSString *dateStamp = @"20120215";

NSString *regionName = @"us-east-1";

NSString *serviceName = @"iam";

NSData *kDate = [[NSString stringWithFormat:@"AWS4%@",key]mh_hmacSha256DigestWithMessage:dateStamp];

NSLog(@"%@",[kDate mh_toHexString]);

expect([kDate mh_toHexString]).to.equal(@"969fbb94feb542b71ede6f87fe4d5fa29c789342b0f407474670f0c2489e0a0d");

NSData *kRegion = [kDate mh_hmacSha256DigestWithMessage:regionName];

NSLog(@"%@",[kRegion mh_toHexString]);

expect([kRegion mh_toHexString]).to.equal(@"69daa0209cd9c5ff5c8ced464a696fd4252e981430b10e3d3fd8e2f197d7a70c");

NSData *kService = [kRegion mh_hmacSha256DigestWithMessage:serviceName];

NSLog(@"%@",[kService mh_toHexString]);

expect([kService mh_toHexString]).to.equal(@"f72cfd46f26bc4643f06a11eabb6c0ba18780c19a8da0c31ace671265e3c87fa");

NSData *kSigning = [kService mh_hmacSha256DigestWithMessage:@"aws4_request"];

NSLog(@"%@",[kSigning mh_toHexString]);

expect([kSigning mh_toHexString]).to.equal(@"f4780e2d9f65fa895f9c67b32ce1baf0b0d8a43505a000a1a9e090d414db404d");

NSString *sha1Text = [@"hello" mh_sha1];

expect(sha1Text).to

.equal(@"aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d");

NSString *sha256Text = [@"hello" mh_sha256];

expect(sha256Text).to

.equal(@"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824");

 

NSString *md5Text = [@"hello" mh_md5];

expect(md5Text).to

.equal(@"5d41402abc4b2a76b9719d911017c592");

```