Encryptor

class Encryptor(val encryptFn: (String) -> String, val decryptFn: (String) -> String, val maxColLengthFn: (Int) -> Int)

Base cipher class responsible for the encryption and decryption of data.

Samples

return AesBytesEncryptor(
    password.toString(),
    salt,
    KeyGenerators.secureRandom(AES_256_GCM_BLOCK_LENGTH),
    AesBytesEncryptor.CipherAlgorithm.GCM
).run {
    Encryptor(
        { base64Encoder.encodeToString(encrypt(it.toByteArray())) },
        { String(decrypt(base64Decoder.decode(it))) },
        { inputLen ->
            base64EncodedLength(AES_256_GCM_BLOCK_LENGTH + inputLen + AES_256_GCM_TAG_LENGTH)
        }
    )
}

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Members

Constructors

Encryptor

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constructor(encryptFn: (String) -> String, decryptFn: (String) -> String, maxColLengthFn: (Int) -> Int)

Properties

decryptFn

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val decryptFn: (String) -> String

Decrypt ciphertext to a plaintext string.

encryptFn

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val encryptFn: (String) -> String

Encrypt a plaintext string to ciphertext.

maxColLengthFn

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val maxColLengthFn: (Int) -> Int

Convert the expected input length into the maximum encoded length to be stored.

Functions

decrypt

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fun decrypt(str: String): String

Returns a decrypted value using decryptFn.

encrypt

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fun encrypt(str: String): String

Returns an encrypted value using encryptFn.

maxColLength

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fun maxColLength(inputByteSize: Int): Int

Returns the maximum column length needed to store an encrypted value, using the specified inputByteSize, and determined by maxColLengthFn.

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