java.security.spec

Class PKCS8EncodedKeySpec

Contents
  • All Implemented Interfaces:
    KeySpec

    public class PKCS8EncodedKeySpec
extends EncodedKeySpec
    This class represents the ASN.1 encoding of a private key, encoded according to the ASN.1 type PrivateKeyInfo. The PrivateKeyInfo syntax is defined in the PKCS#8 standard as follows: 
     PrivateKeyInfo ::= SEQUENCE {
   version Version,
   privateKeyAlgorithm PrivateKeyAlgorithmIdentifier,
   privateKey PrivateKey,
   attributes [0] IMPLICIT Attributes OPTIONAL }

 Version ::= INTEGER

 PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier

 PrivateKey ::= OCTET STRING

 Attributes ::= SET OF Attribute
    Since:
    1.2
    See Also:
    Key, KeyFactory, KeySpec, EncodedKeySpec, X509EncodedKeySpec

    • Constructor Detail

      • PKCS8EncodedKeySpec

        public PKCS8EncodedKeySpec(byte[] encodedKey)
        Creates a new PKCS8EncodedKeySpec with the given encoded key.
        Parameters:
        encodedKey - the key, which is assumed to be encoded according to the PKCS #8 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 PKCS #8 standard.
        Overrides:
        getEncoded in class EncodedKeySpec
        Returns:
        the PKCS #8 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 "PKCS#8".

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