diff options
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/cryptopro/ECGOST3410NamedCurves.java')
| -rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/cryptopro/ECGOST3410NamedCurves.java | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/cryptopro/ECGOST3410NamedCurves.java b/core/src/main/java/org/bouncycastle/asn1/cryptopro/ECGOST3410NamedCurves.java deleted file mode 100644 index b0233da5..00000000 --- a/core/src/main/java/org/bouncycastle/asn1/cryptopro/ECGOST3410NamedCurves.java +++ /dev/null @@ -1,177 +0,0 @@ -package org.bouncycastle.asn1.cryptopro; - -import java.math.BigInteger; -import java.util.Enumeration; -import java.util.Hashtable; - -import org.bouncycastle.asn1.ASN1ObjectIdentifier; -import org.bouncycastle.crypto.params.ECDomainParameters; -import org.bouncycastle.math.ec.ECConstants; -import org.bouncycastle.math.ec.ECCurve; - -/** - * table of the available named parameters for GOST 3410-2001. - */ -public class ECGOST3410NamedCurves -{ - static final Hashtable objIds = new Hashtable(); - static final Hashtable params = new Hashtable(); - static final Hashtable names = new Hashtable(); - - static - { - BigInteger mod_p = new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639319"); - BigInteger mod_q = new BigInteger("115792089237316195423570985008687907853073762908499243225378155805079068850323"); - - ECCurve.Fp curve = new ECCurve.Fp( - mod_p, // p - new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639316"), // a - new BigInteger("166"), // b - mod_q, - ECConstants.ONE); - - ECDomainParameters ecParams = new ECDomainParameters( - curve, - curve.createPoint( - new BigInteger("1"), // x - new BigInteger("64033881142927202683649881450433473985931760268884941288852745803908878638612")), // y - mod_q); - - params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_A, ecParams); - - mod_p = new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639319"); - mod_q = new BigInteger("115792089237316195423570985008687907853073762908499243225378155805079068850323"); - - curve = new ECCurve.Fp( - mod_p, // p - new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639316"), - new BigInteger("166"), - mod_q, - ECConstants.ONE); - - ecParams = new ECDomainParameters( - curve, - curve.createPoint( - new BigInteger("1"), // x - new BigInteger("64033881142927202683649881450433473985931760268884941288852745803908878638612")), // y - mod_q); - - params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchA, ecParams); - - mod_p = new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564823193"); //p - mod_q = new BigInteger("57896044618658097711785492504343953927102133160255826820068844496087732066703"); //q - - curve = new ECCurve.Fp( - mod_p, // p - new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564823190"), // a - new BigInteger("28091019353058090096996979000309560759124368558014865957655842872397301267595"), // b - mod_q, - ECConstants.ONE); - - ecParams = new ECDomainParameters( - curve, - curve.createPoint( - new BigInteger("1"), // x - new BigInteger("28792665814854611296992347458380284135028636778229113005756334730996303888124")), // y - mod_q); // q - - params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_B, ecParams); - - mod_p = new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502619"); - mod_q = new BigInteger("70390085352083305199547718019018437840920882647164081035322601458352298396601"); - - curve = new ECCurve.Fp( - mod_p, // p - new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502616"), - new BigInteger("32858"), - mod_q, - ECConstants.ONE); - - ecParams = new ECDomainParameters( - curve, - curve.createPoint( - new BigInteger("0"), - new BigInteger("29818893917731240733471273240314769927240550812383695689146495261604565990247")), - mod_q); - - params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchB, ecParams); - - mod_p = new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502619"); //p - mod_q = new BigInteger("70390085352083305199547718019018437840920882647164081035322601458352298396601"); //q - curve = new ECCurve.Fp( - mod_p, // p - new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502616"), // a - new BigInteger("32858"), // b - mod_q, - ECConstants.ONE); - - ecParams = new ECDomainParameters( - curve, - curve.createPoint( - new BigInteger("0"), // x - new BigInteger("29818893917731240733471273240314769927240550812383695689146495261604565990247")), // y - mod_q); // q - - params.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_C, ecParams); - - objIds.put("GostR3410-2001-CryptoPro-A", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_A); - objIds.put("GostR3410-2001-CryptoPro-B", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_B); - objIds.put("GostR3410-2001-CryptoPro-C", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_C); - objIds.put("GostR3410-2001-CryptoPro-XchA", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchA); - objIds.put("GostR3410-2001-CryptoPro-XchB", CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchB); - - names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_A, "GostR3410-2001-CryptoPro-A"); - names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_B, "GostR3410-2001-CryptoPro-B"); - names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_C, "GostR3410-2001-CryptoPro-C"); - names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchA, "GostR3410-2001-CryptoPro-XchA"); - names.put(CryptoProObjectIdentifiers.gostR3410_2001_CryptoPro_XchB, "GostR3410-2001-CryptoPro-XchB"); - } - - /** - * return the ECDomainParameters object for the given OID, null if it - * isn't present. - * - * @param oid an object identifier representing a named parameters, if present. - */ - public static ECDomainParameters getByOID( - ASN1ObjectIdentifier oid) - { - return (ECDomainParameters)params.get(oid); - } - - /** - * returns an enumeration containing the name strings for parameters - * contained in this structure. - */ - public static Enumeration getNames() - { - return objIds.keys(); - } - - public static ECDomainParameters getByName( - String name) - { - ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier)objIds.get(name); - - if (oid != null) - { - return (ECDomainParameters)params.get(oid); - } - - return null; - } - - /** - * return the named curve name represented by the given object identifier. - */ - public static String getName( - ASN1ObjectIdentifier oid) - { - return (String)names.get(oid); - } - - public static ASN1ObjectIdentifier getOID(String name) - { - return (ASN1ObjectIdentifier)objIds.get(name); - } -} |