JCMathLib/applet/src/main/java/opencrypto/jcmathlib/OperationSupport.java at master · OpenCryptoProject/JCMathLib · GitHub

Name: JCMathLib/applet/src/main/java/opencrypto/jcmathlib/OperationSupport.java at master · OpenCryptoProject/JCMathLib · GitHub
Rating: 4.6 (549 reviews)
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packageopencrypto.jcmathlib;

/**
 * OperationSupport class
 *
 * @author Antonin Dufka
 */
publicclassOperationSupport {
privatestaticOperationSupportinstance;

publicstaticfinalshortSIMULATOR = 0x0000; // jCardSim.org simulator
publicstaticfinalshortJCOP21 = 0x0001; // NXP J2E145G
publicstaticfinalshortJCOP3_P60 = 0x0002; // NXP JCOP3 J3H145 P60
publicstaticfinalshortJCOP4_P71 = 0x0003; // NXP JCOP4 J3Rxxx P71
publicstaticfinalshortGD60 = 0x0004; // G+D Sm@rtcafe 6.0
publicstaticfinalshortGD70 = 0x0005; // G+D Sm@rtcafe 7.0
publicstaticfinalshortSECORA = 0x0006; // Infineon Secora ID S

publicshortMIN_RSA_BIT_LENGTH = 512;
publicbooleanDEFERRED_INITIALIZATION = false;

publicbooleanRSA_EXP = true;
publicbooleanRSA_SQ = true;
publicbooleanRSA_PUB = false;
publicbooleanRSA_CHECK_ONE = false;
publicbooleanRSA_CHECK_EXP_ONE = false;
publicbooleanRSA_KEY_REFRESH = false;
publicbooleanRSA_PREPEND_ZEROS = false;
publicbooleanRSA_EXTRA_MOD = false;
publicbooleanRSA_RESIZE_MOD = true;
publicbooleanRSA_APPEND_MOD = false;

publicbooleanEC_HW_XY = false;
publicbooleanEC_HW_X = true;
publicbooleanEC_HW_ADD = false;
publicbooleanEC_SW_DOUBLE = false;
publicbooleanEC_PRECISE_BITLENGTH = true;
publicbooleanEC_SET_COFACTOR = false;
publicbooleanEC_GEN = true;
publicbooleanEC_HW_X_ECDSA = true;

privateOperationSupport() {
 }

publicstaticOperationSupportgetInstance() {
if (OperationSupport.instance == null) OperationSupport.instance = newOperationSupport();
returnOperationSupport.instance;
 }

publicvoidsetCard(shortcard_identifier) {
switch (card_identifier) {
caseSIMULATOR:
RSA_KEY_REFRESH = true;
RSA_PREPEND_ZEROS = true;
RSA_RESIZE_MOD = false;
EC_HW_XY = true;
EC_HW_ADD = true;
EC_SW_DOUBLE = true;
EC_PRECISE_BITLENGTH = false;
break;
caseJCOP21:
RSA_PUB = true;
RSA_EXTRA_MOD = true;
RSA_APPEND_MOD = true;
EC_SW_DOUBLE = true;
// EC_GEN = false; // required by Wei25519
// EC_HW_X_ECDSA = false; // required by Wei25519
break;
caseGD60:
RSA_PUB = true;
RSA_EXTRA_MOD = true;
RSA_APPEND_MOD = true;
break;
caseGD70:
RSA_PUB = true;
RSA_CHECK_ONE = true;
RSA_EXTRA_MOD = true;
RSA_APPEND_MOD = true;
break;
caseJCOP3_P60:
DEFERRED_INITIALIZATION = true;
RSA_PUB = true;
EC_HW_XY = true;
EC_HW_ADD = true;
break;
caseJCOP4_P71:
DEFERRED_INITIALIZATION = true;
EC_HW_XY = true;
EC_HW_ADD = true;
break;
caseSECORA:
MIN_RSA_BIT_LENGTH = 1024;
RSA_SQ = false;
RSA_CHECK_EXP_ONE = true;
RSA_PUB = true;
RSA_EXTRA_MOD = true;
RSA_APPEND_MOD = true;
EC_HW_XY = true;
EC_PRECISE_BITLENGTH = false;
break;
default:
break;
 }
 }
}