Interface AeadCrypter

All Known Implementing Classes:
AesGcmAeadCrypter, AesGcmHkdfAeadCrypter
interface AeadCrypter
AeadCrypter performs authenticated encryption and decryption for a fixed key given unique nonces. Authenticated additional data is supported.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    decrypt(ByteBuffer plaintext, ByteBuffer ciphertext, byte[] nonce)
    Decrypt ciphertext into plaintext buffer using the given nonce.
    void
    decrypt(ByteBuffer plaintext, ByteBuffer ciphertext, ByteBuffer aad, byte[] nonce)
    Decrypt ciphertext into plaintext buffer using the given nonce.
    void
    encrypt(ByteBuffer ciphertext, ByteBuffer plaintext, byte[] nonce)
    Encrypt plaintext into ciphertext buffer using the given nonce.
    void
    encrypt(ByteBuffer ciphertext, ByteBuffer plaintext, ByteBuffer aad, byte[] nonce)
    Encrypt plaintext into ciphertext buffer using the given nonce with authenticated data.

  • Method Details

    • encrypt

      void encrypt(ByteBuffer ciphertext, ByteBuffer plaintext, byte[] nonce) throws GeneralSecurityException
      Encrypt plaintext into ciphertext buffer using the given nonce.
      Parameters:
      ciphertext - the encrypted plaintext and the tag will be written into this buffer.
      plaintext - the input that should be encrypted.
      nonce - the unique nonce used for the encryption.
      Throws:
      GeneralSecurityException - if ciphertext buffer is short or the nonce does not have the expected size.

    • encrypt

      void encrypt(ByteBuffer ciphertext, ByteBuffer plaintext, ByteBuffer aad, byte[] nonce) throws GeneralSecurityException
      Encrypt plaintext into ciphertext buffer using the given nonce with authenticated data.
      Parameters:
      ciphertext - the encrypted plaintext and the tag will be written into this buffer.
      plaintext - the input that should be encrypted.
      aad - additional data that should be authenticated, but not encrypted.
      nonce - the unique nonce used for the encryption.
      Throws:
      GeneralSecurityException - if ciphertext buffer is short or the nonce does not have the expected size.

    • decrypt

      void decrypt(ByteBuffer plaintext, ByteBuffer ciphertext, byte[] nonce) throws GeneralSecurityException
      Decrypt ciphertext into plaintext buffer using the given nonce.
      Parameters:
      plaintext - the decrypted plaintext will be written into this buffer.
      ciphertext - the ciphertext and tag that should be decrypted.
      nonce - the nonce that was used for the encryption.
      Throws:
      GeneralSecurityException - if the tag is invalid or any of the inputs do not have the expected size.

    • decrypt

      void decrypt(ByteBuffer plaintext, ByteBuffer ciphertext, ByteBuffer aad, byte[] nonce) throws GeneralSecurityException
      Decrypt ciphertext into plaintext buffer using the given nonce.
      Parameters:
      plaintext - the decrypted plaintext will be written into this buffer.
      ciphertext - the ciphertext and tag that should be decrypted.
      aad - additional data that is checked for authenticity.
      nonce - the nonce that was used for the encryption.
      Throws:
      GeneralSecurityException - if the tag is invalid or any of the inputs do not have the expected size.