iOS SHA密碼編譯演算法的實現

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- (NSString *)SHAStringWithSourceData:(NSData *)data type:(SHAType)type{        int shaDigestLength;    switch (type) {        case SHAType_sha1: shaDigestLength = CC_SHA1_DIGEST_LENGTH; break;        case SHAType_sha224: shaDigestLength = CC_SHA224_DIGEST_LENGTH; break;        case SHAType_sha256: shaDigestLength = CC_SHA256_DIGEST_LENGTH; break;        case SHAType_sha384: shaDigestLength = CC_SHA384_DIGEST_LENGTH; break;        case SHAType_sha512: shaDigestLength = CC_SHA512_DIGEST_LENGTH; break;        default: break;    }        uint8_t digest[shaDigestLength];    switch (type) {        case SHAType_sha1: CC_SHA1(data.bytes, (CC_LONG)data.length, digest); break;        case SHAType_sha224: CC_SHA224(data.bytes, (CC_LONG)data.length, digest); break;        case SHAType_sha256: CC_SHA256(data.bytes, (CC_LONG)data.length, digest); break;        case SHAType_sha384: CC_SHA384(data.bytes, (CC_LONG)data.length, digest); break;        case SHAType_sha512: CC_SHA512(data.bytes, (CC_LONG)data.length, digest); break;        default: break;    }        NSMutableString* output = [NSMutableString stringWithCapacity:shaDigestLength * 2];    for(int i = 0; i < shaDigestLength; i++)        [output appendFormat:@"%02x", digest[i]];        return output;}

  

iOS SHA密碼編譯演算法的實現

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