Swift

Simple AES ECB Decryption

See more Encryption Examples

Decrypt 256-bit encrypted content. Swift

func chilkatTest() {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let crypt = CkoCrypt2()!

    // Encrypted content (base64-encoded)
    var ct: String? = "d/95VziAnUNKkpXr3dJBFcQqAEDWlDkc7EU2jLkYPxmr6PpLRJlgHos+/Uy28CvJsmztQ3JkJAMukVoj46QJ/7RMuqLb31cSKd1ZvMzx9J9b6q0EkmPJcSfBhf2x7v5Qvq3lz1EIH7RM61cDGf+g9p4lt6FtU2MzCqtYD+Vr29voCn5WU1CnXmks64RrbyDA1DDHOx2deJ4Kn68+KoPM9tAw9kbf4HApL1nJYU3Mfzl+MnuHuB2kJpL5GqbuNvS+4QjxuwtNGuZEEY0gOS4RIvWl/XfkxtWHMkzsKy08AO792xDGer4rL4Q1NcfI/H2V"

    // 256-bit AES key (literally the 32 us-ascii bytes of this string)
    var key: String? = "sQsPQYesBM5qEM5OSxicFatIiLM459Bu"

    // Note: If your AES key is a string, and it's not clearly hex or base64, AND if the length of the string is the exact size of the AES key,
    // then *literally* use the ascii chars as the AES key.

    crypt.cryptAlgorithm = "aes"
    crypt.cipherMode = "ecb"
    crypt.keyLength = 256
    // use the exact ascii bytes as the key.
    crypt.setEncodedKey(keyStr: key, encoding: "ascii")
    crypt.encodingMode = "base64"

    var pt: String? = crypt.decryptStringENC(str: ct)

    print("\(pt!)")

}