Package org.mozilla.jss.crypto

Class Signature

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected Signature()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected java.lang.Object clone()
      Cloning is not supported yet
      java.lang.String getAlgorithm()
      Returns the name of the algorithm to be used for signing.
      SignatureAlgorithm getAlgorithmID()
      Returns the algorithm to be used for signing.
      java.security.Provider getProvider()
      This is not supported yet.
      void initSign​(PrivateKey privateKey)
      Initialize the signature context for signing.
      void initVerify​(java.security.PublicKey publicKey)
      Initialize the signature context for verifying.
      void setParameter​(java.security.spec.AlgorithmParameterSpec params)
      Set parameters for the signing algorithm.
      byte[] sign()
      Finish a signing operation and return the signature.
      int sign​(byte[] outbuf, int offset, int len)
      Finish a signing operation and store the signature in the provided buffer.
      void update​(byte b)
      Provide more data for a signature or verification operation.
      void update​(byte[] data)
      Provide more data for a signature or verification operation.
      void update​(byte[] data, int off, int len)
      Provide more data for a signature or verification operation.
      boolean verify​(byte[] signature)
      Finish a verification operation.

      • Methods inherited from class java.lang.Object

        equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • Signature

        protected Signature()

    • Method Detail

      • getProvider

        public java.security.Provider getProvider()
        This is not supported yet.

      • initSign

        public void initSign​(PrivateKey privateKey)
              throws java.security.InvalidKeyException,
                     TokenException
        Initialize the signature context for signing.
        Parameters:
        privateKey - The private key with which to sign.
        Throws:
        java.security.InvalidKeyException - If the key is the wrong type for the algorithm or does not exist on the token of this signature context.
        TokenException - If an error occurred on the token.

      • initVerify

        public void initVerify​(java.security.PublicKey publicKey)
                throws java.security.InvalidKeyException,
                       TokenException
        Initialize the signature context for verifying.
        Parameters:
        publicKey - The public key with which to verify the signature.
        Throws:
        java.security.InvalidKeyException - If the key is the wrong type for the algorithm.
        TokenException - If an error occurs on the token.

      • setParameter

        public void setParameter​(java.security.spec.AlgorithmParameterSpec params)
                  throws java.security.InvalidAlgorithmParameterException,
                         TokenException
        Set parameters for the signing algorithm. This is currently not supported or needed.
        Parameters:
        params - Parameters for the signing algorithm.
        Throws:
        java.security.InvalidAlgorithmParameterException - If there is something wrong with the parameters.
        TokenException - If an error occurs on the token.

      • sign

        public byte[] sign()
            throws java.security.SignatureException,
                   TokenException
        Finish a signing operation and return the signature.
        Returns:
        The signature.
        Throws:
        java.security.SignatureException - If an error occurs with the signing operation.
        TokenException - If an error occurs on the token.

      • sign

        public int sign​(byte[] outbuf,
                int offset,
                int len)
         throws java.security.SignatureException,
                TokenException
        Finish a signing operation and store the signature in the provided buffer.
        Parameters:
        outbuf - Buffer to hold the signature
        offset - Offset in buffer at which to store signature.
        len - Number of bytes of buffer available for signature.
        Returns:
        int The number of bytes placed into outbuf.
        Throws:
        java.security.SignatureException - If an error occurred while signing, or len was insufficient to contain the signature.
        TokenException - If an error occurred on the token.

      • verify

        public boolean verify​(byte[] signature)
               throws java.security.SignatureException,
                      TokenException
        Finish a verification operation.
        Parameters:
        signature - The signature to be verified.
        Returns:
        true if the signature is valid, false if it is invalid.
        Throws:
        java.security.SignatureException - If an error occurred with the verification operation
        TokenException - If an error occurred on the token.

      • update

        public void update​(byte b)
            throws java.security.SignatureException,
                   TokenException
        Provide more data for a signature or verification operation.
        Parameters:
        b - A byte to be signed or verified.
        Throws:
        java.security.SignatureException - If an error occurs in the signature/verifcation.
        TokenException - If an error occurs on the token.

      • update

        public void update​(byte[] data)
            throws java.security.SignatureException,
                   TokenException
        Provide more data for a signature or verification operation.
        Parameters:
        data - An array of bytes to be signed or verified.
        Throws:
        java.security.SignatureException - If an error occurs in the signature/verifcation.
        TokenException - If an error occurs on the token.

      • update

        public void update​(byte[] data,
                   int off,
                   int len)
            throws java.security.SignatureException,
                   TokenException
        Provide more data for a signature or verification operation.
        Parameters:
        data - An array of bytes, some of which will be signed or verified.
        off - The beginning offset of the bytes to be signed/verified.
        len - The number of bytes to be signed/verified.
        Throws:
        java.security.SignatureException - If an error occurs in the signature/verification.
        TokenException - If an error occurs on the token.

      • getAlgorithm

        public java.lang.String getAlgorithm()
        Returns the name of the algorithm to be used for signing.

      • getAlgorithmID

        public SignatureAlgorithm getAlgorithmID()
        Returns the algorithm to be used for signing.

      • clone

        protected java.lang.Object clone()
                          throws java.lang.CloneNotSupportedException
        Cloning is not supported yet
        Overrides:
        clone in class java.lang.Object
        Throws:
        java.lang.CloneNotSupportedException