36 lines
832 B
Mathematica
36 lines
832 B
Mathematica
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#import "NSString+SHA256.h"
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#import <CommonCrypto/CommonCrypto.h>
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@implementation NSData (SHA256)
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- (NSString *)SHA256 {
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CC_SHA256_CTX hashObject;
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CC_SHA256_Init(&hashObject);
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NSUInteger length = [self length];
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const void *buffer = [self bytes];
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CC_SHA256_Update(&hashObject,
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(const void *)buffer,
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(CC_LONG)length);
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unsigned char digest[CC_SHA256_DIGEST_LENGTH];
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CC_SHA256_Final(digest, &hashObject);
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char hash[2 * sizeof(digest) + 1];
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for (size_t i = 0; i < sizeof(digest); ++i) {
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snprintf(hash + (2 * i), 3, "%02x", (int)(digest[i]));
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}
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return [[NSString alloc] initWithUTF8String:hash];
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}
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@end
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@implementation NSString (SHA256)
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- (NSString *)SHA256 {
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return [[self dataUsingEncoding:NSUTF8StringEncoding] SHA256];
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}
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@end
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