Package org.bouncycastle.crypto.util

Class PublicKeyFactory

  • public class PublicKeyFactory
extends java.lang.Object
    Factory to create asymmetric public key parameters for asymmetric ciphers from range of ASN.1 encoded SubjectPublicKeyInfo objects.

    • Constructor Detail

      • PublicKeyFactory

        public PublicKeyFactory()

    • Method Detail

      • createKey

        public static AsymmetricKeyParameter createKey​(byte[] keyInfoData)
                                        throws java.io.IOException
        Create a public key from a SubjectPublicKeyInfo encoding
        Parameters:
        keyInfoData - the SubjectPublicKeyInfo encoding
        Returns:
        the appropriate key parameter
        Throws:
        java.io.IOException - on an error decoding the key

      • createKey

        public static AsymmetricKeyParameter createKey​(java.io.InputStream inStr)
                                        throws java.io.IOException
        Create a public key from a SubjectPublicKeyInfo encoding read from a stream
        Parameters:
        inStr - the stream to read the SubjectPublicKeyInfo encoding from
        Returns:
        the appropriate key parameter
        Throws:
        java.io.IOException - on an error decoding the key

      • createKey

        public static AsymmetricKeyParameter createKey​(SubjectPublicKeyInfo keyInfo)
                                        throws java.io.IOException
        Create a public key from the passed in SubjectPublicKeyInfo
        Parameters:
        keyInfo - the SubjectPublicKeyInfo containing the key data
        Returns:
        the appropriate key parameter
        Throws:
        java.io.IOException - on an error decoding the key

      • createKey

        public static AsymmetricKeyParameter createKey​(SubjectPublicKeyInfo keyInfo,
                                               java.lang.Object defaultParams)
                                        throws java.io.IOException
        Create a public key from the passed in SubjectPublicKeyInfo
        Parameters:
        keyInfo - the SubjectPublicKeyInfo containing the key data
        defaultParams - default parameters that might be needed.
        Returns:
        the appropriate key parameter
        Throws:
        java.io.IOException - on an error decoding the key