(Objective-C) SHA3 Hash to Match Test Vectors

This example demonstrates SHA3 hashing to match some results published by other implementations.

Note: This example requires Chilkat v9.5.0.83 or greater.

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#import <CkoCrypt2.h>
#import <NSString.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This example requires Chilkat v9.5.0.83 or greater.
CkoCrypt2 *crypt = [[CkoCrypt2 alloc] init];
crypt.EncodingMode = @"hexlower";

// Input message: "abc", hashing the bytes 0x616263
// SHA-3-224:	e642824c3f8cf24a d09234ee7d3c766f c9a3a5168d0c94ad 73b46fdf
// SHA-3-256:	3a985da74fe225b2 045c172d6bd390bd 855f086e3e9d525b 46bfe24511431532
// SHA-3-384:	ec01498288516fc9 26459f58e2c6ad8d f9b473cb0fc08c25 96da7cf0e49be4b2 98d88cea927ac7f5 39f1edf228376d25
// SHA-3-512"	b751850b1a57168a 5693cd924b6b096e 08f621827444f70d 884f5d0240d2712e 10e116e9192af3c9 1a7ec57647e39340 57340b4cf408d5a5 6592f8274eec53f0

NSString *msg = @"abc";
NSLog(@"%@",@"---- abc ----");
crypt.HashAlgorithm = @"sha3-224";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-256";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-384";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-512";
NSLog(@"%@",[crypt HashStringENC: msg]);

// Input Message: "", hashing 0 bytes.
// SHA-3-224	6b4e03423667dbb7 3b6e15454f0eb1ab d4597f9a1b078e3f 5b5a6bc7
// SHA-3-256	a7ffc6f8bf1ed766 51c14756a061d662 f580ff4de43b49fa 82d80a4b80f8434a
// SHA-3-384	0c63a75b845e4f7d 01107d852e4c2485 c51a50aaaa94fc61 995e71bbee983a2a c3713831264adb47 fb6bd1e058d5f004
// SHA-3-512	a69f73cca23a9ac5 c8b567dc185a756e 97c982164fe25859 e0d1dcc1475c80a6 15b2123af1f5f94c 11e3e9402c3ac558 f500199d95b6d3e3 01758586281dcd26

msg = @"";
NSLog(@"%@",@"---- nothing ----");
crypt.HashAlgorithm = @"sha3-224";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-256";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-384";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-512";
NSLog(@"%@",[crypt HashStringENC: msg]);

// Input message: "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
// SHA-3-224	543e6868e1666c1a 643630df77367ae5 a62a85070a51c14c bf665cbc
// SHA-3-256	916f6061fe879741 ca6469b43971dfdb 28b1a32dc36cb325 4e812be27aad1d18
// SHA-3-384	79407d3b5916b59c 3e30b09822974791 c313fb9ecc849e40 6f23592d04f625dc 8c709b98b43b3852 b337216179aa7fc7
// SHA-3-512	afebb2ef542e6579 c50cad06d2e578f9 f8dd6881d7dc824d 26360feebf18a4fa 73e3261122948efc fd492e74e82e2189 ed0fb440d187f382 270cb455f21dd185

NSLog(@"%@",@"---- abcdefg... ----");
msg = @"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu";
crypt.HashAlgorithm = @"sha3-224";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-256";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-384";
NSLog(@"%@",[crypt HashStringENC: msg]);
crypt.HashAlgorithm = @"sha3-512";
NSLog(@"%@",[crypt HashStringENC: msg]);