Package org.bouncycastle.jcajce.spec

Class KTSGenerateKeySpec.Builder

  • Enclosing class:
    KTSGenerateKeySpec
    public static final class KTSGenerateKeySpec.Builder
extends java.lang.Object
    Builder class for creating a KTSGenerateKeySpec.

    • Constructor Detail

      • Builder

        public Builder​(java.security.PublicKey publicKey,
               java.lang.String algorithmName,
               int keySizeInBits)
        Basic builder.
        Parameters:
        publicKey - the public key to be used for encryption/encapsulation generation.
        algorithmName - the algorithm name for the secret key we wish to calculate.
        keySizeInBits - the size of the key we want to produce in bits.

      • Builder

        public Builder​(java.security.PublicKey publicKey,
               java.lang.String algorithmName,
               int keySizeInBits,
               byte[] otherInfo)
        Basic builder.
        Parameters:
        publicKey - the public key to be used for encryption/encapsulation generation.
        algorithmName - the algorithm name for the secret key we wish to calculate.
        keySizeInBits - the size of the key we want to produce in bits.
        otherInfo - the otherInfo/IV encoding to be applied to the KDF.

    • Method Detail

      • withSecureRandom

        public KTSGenerateKeySpec.Builder withSecureRandom​(java.security.SecureRandom random)
        Set the SecureRandom which will be used to generate the secret.
        Parameters:
        random - the source of randomness for the secret.
        Returns:
        the current Builder instance.

      • withMac

        public KTSGenerateKeySpec.Builder withMac​(java.lang.String macAlgorithmName,
                                          int macKeySizeInBits)
        Set the MAC algorithm name and its associated key size for the MAC key section of the secret.
        Parameters:
        macAlgorithmName - name of the MAC algorithm we will use.
        macKeySizeInBits - size of the MAC key (in bits)
        Returns:
        the current Builder instance.

      • withParameterSpec

        public KTSGenerateKeySpec.Builder withParameterSpec​(java.security.spec.AlgorithmParameterSpec parameterSpec)
        Set the algorithm parameter spec to be used with the public key.
        Parameters:
        parameterSpec - the algorithm parameter spec to be used in encryption.
        Returns:
        the current Builder instance.

      • withKdfAlgorithm

        public KTSGenerateKeySpec.Builder withKdfAlgorithm​(AlgorithmIdentifier kdfAlgorithm)
        Set the KDF algorithm and digest algorithm for key generation.
        Parameters:
        kdfAlgorithm - the KDF algorithm to apply.
        Returns:
        the current Builder instance.

      • build

        public KTSGenerateKeySpec build()
        Build the new key spec.
        Returns:
        a new key spec configured according to the builder state.