javacard.security.KeyAgreement Java Examples

The following examples show how to use javacard.security.KeyAgreement. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ECPoint_Helper.java    From JCMathLib with MIT License 5 votes vote down vote up 
public ECPoint_Helper(ResourceManager rm) {
    super(rm);
    
    FLAG_FAST_EC_MULT_VIA_KA = false; // set true only if succesfully allocated and tested below
    try {
        //fnc_multiplication_x_keyAgreement = KeyAgreement.getInstance(KeyAgreement.ALG_EC_SVDP_DHC, false);
        //fnc_SignVerifyECDSA_signEngine = Signature.getInstance(Signature.ALG_ECDSA_SHA, false);
        //fnc_multiplication_x_keyAgreement = KeyAgreement.getInstance(Consts.KeyAgreement_ALG_EC_SVDP_DH_PLAIN_XY, false);
        fnc_multiplication_x_keyAgreement = KeyAgreement.getInstance(KeyAgreement_ALG_EC_SVDP_DH_PLAIN, false);
        fnc_SignVerifyECDSA_signEngine = Signature.getInstance(Signature_ALG_ECDSA_SHA_256, false);
        FLAG_FAST_EC_MULT_VIA_KA = true;
    } catch (Exception ignored) {
    } // Discard any exception        
}
Example #2
Source File: SECP256k1.java    From status-keycard with Apache License 2.0 4 votes vote down vote up 
/**
 * Allocates objects needed by this class. Must be invoked during the applet installation exactly 1 time.
 */
SECP256k1() {
  this.ecPointMultiplier = KeyAgreement.getInstance(ALG_EC_SVDP_DH_PLAIN_XY, false);
  this.tmpECPrivateKey = (ECPrivateKey) KeyBuilder.buildKey(KeyBuilder.TYPE_EC_FP_PRIVATE, SECP256K1_KEY_SIZE, false);
  setCurveParameters(tmpECPrivateKey);
}
Example #3
Source File: AppletUtil.java    From ECTester with MIT License 4 votes vote down vote up 
public static short kaCheck(KeyAgreement keyAgreement) {
    return nullCheck(keyAgreement, AppletBase.SW_KA_NULL);
}