本文整理汇总了Java中javacard.security.ECKey.setK方法的典型用法代码示例。如果您正苦于以下问题：Java ECKey.setK方法的具体用法？Java ECKey.setK怎么用？Java ECKey.setK使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javacard.security.ECKey的用法示例。
在下文中一共展示了ECKey.setK方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: setCommonCurveParameters
import javacard.security.ECKey; //导入方法依赖的package包/类
protected static boolean setCommonCurveParameters(ECKey key) {
try {
key.setA(SECP256R1_A, (short)0, (short)SECP256R1_A.length);
key.setB(SECP256R1_B, (short)0, (short)SECP256R1_B.length);
key.setFieldFP(SECP256R1_FP, (short)0, (short)SECP256R1_FP.length);
key.setG(SECP256R1_G, (short)0, (short)SECP256R1_G.length);
key.setR(SECP256R1_R, (short)0, (short)SECP256R1_R.length);
key.setK(SECP256R1_K);
return true;
}
catch(Exception e) {
return false;
}
}
示例2: setCommonCurveParameters
import javacard.security.ECKey; //导入方法依赖的package包/类
public static void setCommonCurveParameters(ECKey eckey){
eckey.setFieldFP( SECP256K1, OFFSET_SECP256K1_P, (short)32);
eckey.setA( SECP256K1, OFFSET_SECP256K1_a, (short)32);
eckey.setB( SECP256K1, OFFSET_SECP256K1_b, (short)32);
eckey.setR( SECP256K1, OFFSET_SECP256K1_R, (short)32);
eckey.setG( SECP256K1, OFFSET_SECP256K1_G, (short)65);
eckey.setK( SECP256K1_K);
}
示例3: initializeECPoint
import javacard.security.ECKey; //导入方法依赖的package包/类
public static void initializeECPoint(ECKey ecPoint) {
ecPoint.setFieldFP(CurveConstants.P, BAS, CurveConstants.MODULUS_SIZE);
ecPoint.setA(CurveConstants.A, BAS, CurveConstants.MODULUS_SIZE);
ecPoint.setB(CurveConstants.B, BAS, CurveConstants.MODULUS_SIZE);
ecPoint.setG(CurveConstants.G, BAS, (short) (CurveConstants.MODULUS_SIZE * 2 + 1));
ecPoint.setK(CurveConstants.H);
ecPoint.setR(CurveConstants.N, BAS, CurveConstants.MODULUS_SIZE);
}
示例4: setCommonCurveParameters
import javacard.security.ECKey; //导入方法依赖的package包/类
protected static boolean setCommonCurveParameters(ECKey key) {
try {
key.setA(SECP256K1_A, (short)0, (short)SECP256K1_A.length);
key.setB(SECP256K1_B, (short)0, (short)SECP256K1_B.length);
key.setFieldFP(SECP256K1_FP, (short)0, (short)SECP256K1_FP.length);
key.setG(SECP256K1_G, (short)0, (short)SECP256K1_G.length);
key.setR(SECP256K1_R, (short)0, (short)SECP256K1_R.length);
key.setK(SECP256K1_K);
return true;
}
catch(Exception e) {
return false;
}
}
示例5: initEcParams
import javacard.security.ECKey; //导入方法依赖的package包/类
/**
* \brief Initialize an EC key with the curve parameters from buf.
*
* \param buf The buffer containing the EC curve parameters. It must be TLV with the following format:
* 81 - prime
* 82 - coefficient A
* 83 - coefficient B
* 84 - base point G
* 85 - order
* 87 - cofactor
*
* \param bOff The offset at where the first entry is located.
*
* \param bLen The remaining length of buf.
*
* \param key The EC key to initialize.
*
* \throw NotFoundException Parts of the data needed to fully initialize
* the key were missing.
*
* \throw InvalidArgumentsException The ASN.1 sequence was malformatted.
*/
private void initEcParams(byte[] buf, short bOff, short bLen, ECKey key) throws NotFoundException, InvalidArgumentsException {
short pos = bOff;
short len;
/* Search for the prime */
pos = UtilTLV.findTag(buf, bOff, bLen, (byte) 0x81);
pos++;
len = UtilTLV.decodeLengthField(buf, pos);
pos += UtilTLV.getLengthFieldLength(len);
key.setFieldFP(buf, pos, len); // "p"
/* Search for coefficient A */
pos = UtilTLV.findTag(buf, bOff, bLen, (byte) 0x82);
pos++;
len = UtilTLV.decodeLengthField(buf, pos);
pos += UtilTLV.getLengthFieldLength(len);
key.setA(buf, pos, len);
/* Search for coefficient B */
pos = UtilTLV.findTag(buf, bOff, bLen, (byte) 0x83);
pos++;
len = UtilTLV.decodeLengthField(buf, pos);
pos += UtilTLV.getLengthFieldLength(len);
key.setB(buf, pos, len);
/* Search for base point G */
pos = UtilTLV.findTag(buf, bOff, bLen, (byte) 0x84);
pos++;
len = UtilTLV.decodeLengthField(buf, pos);
pos += UtilTLV.getLengthFieldLength(len);
key.setG(buf, pos, len); // G(x,y)
/* Search for order */
pos = UtilTLV.findTag(buf, bOff, bLen, (byte) 0x85);
pos++;
len = UtilTLV.decodeLengthField(buf, pos);
pos += UtilTLV.getLengthFieldLength(len);
key.setR(buf, pos, len); // Order of G - "q"
/* Search for cofactor */
pos = UtilTLV.findTag(buf, bOff, bLen, (byte) 0x87);
pos++;
len = UtilTLV.decodeLengthField(buf, pos);
pos += UtilTLV.getLengthFieldLength(len);
if(len == 2) {
key.setK(Util.getShort(buf, pos));
} else if(len == 1) {
key.setK(buf[pos]);
} else {
throw InvalidArgumentsException.getInstance();
}
}