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SHA-256: Difference between revisions

SHA-256 (view source)

Revision as of 20:27, 23 April 2014

23 bytes added ,  10 years ago
Fixed to use digest instead of HMAC.
No edit summary
(Fixed to use digest instead of HMAC.)
Line 803:
 
=={{header|Objective-C}}==
Build with something like
{{incorrect|Objective-C}}
<pre>
<lang objc>#import <CommonCrypto/CommonHMAC.h>▼
clang -o rosetta_sha256 rosetta_sha256.m /System/Library/Frameworks/Cocoa.framework/Cocoa
</pre>
@implementation AppDelegate
or in XCode.
▲<lang objc>#import <CommonCryptoCocoa/CommonHMACCocoa.h>
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
#import <CommonCrypto/CommonDigest.h>
NSString* key = @"secret";▼
NSString* data = @"Message";
const char *cKey = [key cStringUsingEncoding:NSASCIIStringEncoding];▼
const char *cData = [data cStringUsingEncoding:NSASCIIStringEncoding];
unsigned char cHMAC[CC_SHA256_DIGEST_LENGTH];▼
CCHmac(kCCHmacAlgSHA256, cKey, strlen(cKey), cData, strlen(cData), cHMAC);
 
NSMutableString* result = [NSMutableString stringWithCapacity:(CC_SHA256_DIGEST_LENGTH * 2)];▼
for(CC_LONG i = 0; i < CC_SHA256_DIGEST_LENGTH; i++)▼
[result appendFormat:@"%02x", cHMAC[i]];▼
 
int main(int argc, char ** argv) {
NSLog(@"Sha-256: %@", result);▼
▲ NSString * keymsg = @"secretRosetta code";
 
▲ unsigned char cHMACbuf[CC_SHA256_DIGEST_LENGTH];
}</lang>▼
▲ const char *cKey rc = [keymsg cStringUsingEncoding:NSASCIIStringEncoding];
if (! CC_SHA256(rc, strlen(rc), buf)) {
NSLog(@"Failure...");
return -1;
}
▲ NSMutableString * resultres = [NSMutableString stringWithCapacity:(CC_SHA256_DIGEST_LENGTH * 2)];
▲ for (CC_LONGint i = 0; i < CC_SHA256_DIGEST_LENGTH; i++i) {
▲ [resultres appendFormat:@"%02x", cHMACbuf[i]];
}
▲ NSLog(@"Sha-256Output: %@", resultres);
return 0;
}
▲}</lang>
 
=={{header|OCaml}}==
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Retrieved from "https://rosettacode.org/wiki/Special:MobileDiff/221194"
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