java.security.spec

Class X509EncodedKeySpec

Contents
  • All Implemented Interfaces:
    KeySpec

    public class X509EncodedKeySpec
extends EncodedKeySpec
    This class represents the ASN.1 encoding of a public key, encoded according to the ASN.1 type SubjectPublicKeyInfo. The SubjectPublicKeyInfo syntax is defined in the X.509 standard as follows: 
     SubjectPublicKeyInfo ::= SEQUENCE {
   algorithm AlgorithmIdentifier,
   subjectPublicKey BIT STRING }
    Since:
    1.2
    See Also:
    Key, KeyFactory, KeySpec, EncodedKeySpec, PKCS8EncodedKeySpec

    • Constructor Detail

      • X509EncodedKeySpec

        public X509EncodedKeySpec(byte[] encodedKey)
        Creates a new X509EncodedKeySpec with the given encoded key.
        Parameters:
        encodedKey - the key, which is assumed to be encoded according to the X.509 standard. The contents of the array are copied to protect against subsequent modification.
        Throws:
        NullPointerException - if encodedKey is null.

    • Method Detail

      • getEncoded

        public byte[] getEncoded()
        Returns the key bytes, encoded according to the X.509 standard.
        Overrides:
        getEncoded in class EncodedKeySpec
        Returns:
        the X.509 encoding of the key. Returns a new array each time this method is called.

      • getFormat

        public final String getFormat()
        Returns the name of the encoding format associated with this key specification.
        Specified by:
        getFormat in class EncodedKeySpec
        Returns:
        the string "X.509".

Document created the 11/06/2005, last modified the 04/03/2020
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