Package com.microej.crypto.internal.signature

Class NativeSignatureSpi

  • public class NativeSignatureSpi
extends java.lang.Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void getAlgOID​(byte[] algorithmBytes, byte[] oid, int oidSize)  
      static int nativeGetAlgorithmDescription​(byte[] algorithmBytes, byte[] digestAlgorithmName, int digestAlgorithmNameLength)
      Gets for the given algorithm the signature algorithm description.
      static int nativeSign​(int nativeAlgorithmId, byte[] signature, int signatureLength, int nativeId, byte[] digest, int digestLength)  
      static boolean nativeVerify​(int nativeAlgorithmId, byte[] signature, int signatureLength, int nativeId, byte[] digest, int digestLength)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • NativeSignatureSpi

        public NativeSignatureSpi()

    • Method Detail

      • nativeGetAlgorithmDescription

        public static int nativeGetAlgorithmDescription​(byte[] algorithmBytes,
                                                byte[] digestAlgorithmName,
                                                int digestAlgorithmNameLength)
        Gets for the given algorithm the signature algorithm description.

        On a device an algorithm id is a constant that the LLAPI returns, and Managed Code never closes it. The mock therefore encodes it as an index in ALGORITHMS, so that a lookup allocates nothing.

        Parameters:
        algorithmBytes - Null terminated string that describes the algorithm
        digestAlgorithmName - output buffer receiving the matching digest algorithm name (e.g. "SHA-256" for SHA256withRSA)
        digestAlgorithmNameLength - the capacity of digestAlgorithmName
        Returns:
        algorithm ID on success or -1 on error.

      • nativeVerify

        public static boolean nativeVerify​(int nativeAlgorithmId,
                                   byte[] signature,
                                   int signatureLength,
                                   int nativeId,
                                   byte[] digest,
                                   int digestLength)

      • nativeSign

        public static int nativeSign​(int nativeAlgorithmId,
                             byte[] signature,
                             int signatureLength,
                             int nativeId,
                             byte[] digest,
                             int digestLength)

      • getAlgOID

        public static void getAlgOID​(byte[] algorithmBytes,
                             byte[] oid,
                             int oidSize)
                      throws ej.sni.NativeException,
                             java.security.NoSuchAlgorithmException
        Parameters:
        algorithmBytes - Null terminated string that describes the algorithm
        oid - output buffer receiving the OID in dotted-decimal notation
        oidSize - the capacity of oid
        Throws:
        ej.sni.NativeException - on error
        java.security.NoSuchAlgorithmException - if algorithm is not in the lookup table