Package io.grpc.alts.internal

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

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

    • Method Detail

      • encrypt

        void encrypt​(java.nio.ByteBuffer ciphertext,
             java.nio.ByteBuffer plaintext,
             byte[] nonce)
      throws java.security.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:
        java.security.GeneralSecurityException - if ciphertext buffer is short or the nonce does not have the expected size.

      • encrypt

        void encrypt​(java.nio.ByteBuffer ciphertext,
             java.nio.ByteBuffer plaintext,
             java.nio.ByteBuffer aad,
             byte[] nonce)
      throws java.security.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:
        java.security.GeneralSecurityException - if ciphertext buffer is short or the nonce does not have the expected size.

      • decrypt

        void decrypt​(java.nio.ByteBuffer plaintext,
             java.nio.ByteBuffer ciphertext,
             byte[] nonce)
      throws java.security.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:
        java.security.GeneralSecurityException - if the tag is invalid or any of the inputs do not have the expected size.

      • decrypt

        void decrypt​(java.nio.ByteBuffer plaintext,
             java.nio.ByteBuffer ciphertext,
             java.nio.ByteBuffer aad,
             byte[] nonce)
      throws java.security.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:
        java.security.GeneralSecurityException - if the tag is invalid or any of the inputs do not have the expected size.