如何通过IOS中的预定义短语和盐值生成散列键？

Question

我有一些 .net 代码可以生成用于加密的哈希密钥，我想在 iOS 中使用该代码，但我找不到合适的解决方案，如果有人有合适的解决方案，请帮助我

我添加了我的 .net 代码，它工作正常，我想在 iOS 中转换该代码，结果相同

Public Shared Function Encrypt(ByVal plainText As String) As String

    Dim passPhrase As String = "passPhrase"
    Dim saltValue As String = "saltValue"
    Dim hashAlgorithm As String = "SHA256"

    Dim passwordIterations As Integer = 2
    Dim initVector As String = "abc123def456gh78"
    Dim keySize As Integer = 256

    Dim initVectorBytes As Byte() = Encoding.ASCII.GetBytes(initVector)
    Dim saltValueBytes As Byte() = Encoding.ASCII.GetBytes(saltValue)

    Dim plainTextBytes As Byte() = Encoding.UTF8.GetBytes(plainText)

    Dim password As New PasswordDeriveBytes(passPhrase, saltValueBytes, hashAlgorithm, passwordIterations)
    Dim keyBytes As Byte() = password.GetBytes(keySize \ 8)

End Function

Answer 1

我也遇到了同样的问题，我发现解决方案可能会对你有所帮助。

从 Github 获取 FBEncryptorAES 库。

根据您的 .net 算法定义 IV 和密钥。

使用此方法加密和解密您的文本

+ (NSData*)encryptData:(NSData*)data
{
    NSData* result = nil;

    // setup output buffer
    size_t bufferSize = [data length] + FBENCRYPT_BLOCK_SIZE;
    void *buffer = malloc(bufferSize);

    // do encrypt
    size_t encryptedSize = 0;
    CCCryptorStatus cryptStatus = CCCrypt(kCCEncrypt,
                                          FBENCRYPT_ALGORITHM,
                                          kCCOptionPKCS7Padding,
                                          cKey,
                                          FBENCRYPT_KEY_SIZE,
                                          cIv,
                                          [data bytes],
                                          [data length],
                                          buffer,
                                          bufferSize,
                                          &encryptedSize);
    if (cryptStatus == kCCSuccess) {
        result = [NSData dataWithBytesNoCopy:buffer length:encryptedSize];
    } else {
        free(buffer);
        NSLog(@"[ERROR] failed to encrypt|CCCryptoStatus: %d", cryptStatus);
    }

    return result;
}

+ (NSData*)decryptData:(NSData*)data
{
    NSData* result = nil;

    // setup output buffer
    size_t bufferSize = [data length] + FBENCRYPT_BLOCK_SIZE;
    void *buffer = malloc(bufferSize);

    // do decrypt
    size_t decryptedSize = 0;
    CCCryptorStatus cryptStatus = CCCrypt(kCCDecrypt,
                                          FBENCRYPT_ALGORITHM,
                                          kCCOptionPKCS7Padding,
                                          cKey,
                                          FBENCRYPT_KEY_SIZE,
                                          cIv,
                                          [data bytes],
                                          [data length],
                                          buffer,
                                          bufferSize,
                                          &decryptedSize);

    if (cryptStatus == kCCSuccess) {
        result = [NSData dataWithBytesNoCopy:buffer length:decryptedSize];
    } else {
        free(buffer);
        NSLog(@"[ERROR] failed to decrypt| CCCryptoStatus: %d", cryptStatus);
    }

    return result;
}

如何通过IOS中的预定义短语和盐值生成散列键？

how to generate hash key by predefine phrase and salt value in IOS?

vb.net

cryptography

objective-c

ios

commoncrypto