tink-crypto
Version:
A multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
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TypeScript
/**
* @license
* Copyright 2020 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* Interface for symmetric key ciphers that are indistinguishable against
* chosen-plaintext attacks.
*
* Security guarantees: implementation of this interface do not provide
* authentication, thus should not be used directly, but only to construct safer
* primitives such as {@link tink.Aead}.
*
*/
export interface IndCpaCipher {
/**
* Encrypts `plaintext`.
*
* @param plaintext the plaintext to be encrypted. It must be
* non-null, but can also be an empty (zero-length) byte array.
* @return resulting ciphertext
* @throws {SecurityException}
*/
encrypt(plaintext: Uint8Array): Promise<Uint8Array>;
/**
* Decrypts ciphertext with associated authenticated data.
*
* @param ciphertext the ciphertext to be decrypted, must be
* non-null.
* @return resulting plaintext
* @throws {SecurityException}
*/
decrypt(ciphertext: Uint8Array): Promise<Uint8Array>;
}