diff options
Diffstat (limited to 'crypto/src/asn1/cryptopro/GOST3410NamedParameters.cs')
| -rw-r--r-- | crypto/src/asn1/cryptopro/GOST3410NamedParameters.cs | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/crypto/src/asn1/cryptopro/GOST3410NamedParameters.cs b/crypto/src/asn1/cryptopro/GOST3410NamedParameters.cs new file mode 100644 index 000000000..66dba51d7 --- /dev/null +++ b/crypto/src/asn1/cryptopro/GOST3410NamedParameters.cs @@ -0,0 +1,123 @@ +using System; +using System.Collections; + +using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Utilities; +using Org.BouncyCastle.Utilities.Collections; + +namespace Org.BouncyCastle.Asn1.CryptoPro +{ + /** + * table of the available named parameters for GOST 3410-94. + */ + public sealed class Gost3410NamedParameters + { + private Gost3410NamedParameters() + { + } + + private static readonly IDictionary objIds = Platform.CreateHashtable(); + private static readonly IDictionary parameters = Platform.CreateHashtable(); + + private static readonly Gost3410ParamSetParameters cryptoProA = new Gost3410ParamSetParameters( + 1024, + new BigInteger("127021248288932417465907042777176443525787653508916535812817507265705031260985098497423188333483401180925999995120988934130659205614996724254121049274349357074920312769561451689224110579311248812610229678534638401693520013288995000362260684222750813532307004517341633685004541062586971416883686778842537820383"), + new BigInteger("68363196144955700784444165611827252895102170888761442055095051287550314083023"), + new BigInteger("100997906755055304772081815535925224869841082572053457874823515875577147990529272777244152852699298796483356699682842027972896052747173175480590485607134746852141928680912561502802222185647539190902656116367847270145019066794290930185446216399730872221732889830323194097355403213400972588322876850946740663962") + // validationAlgorithm { + // algorithm + // id-GostR3410-94-bBis, + // parameters + // GostR3410-94-ValidationBisParameters: { + // x0 1376285941, + // c 3996757427 + // } + // } + + ); + + private static readonly Gost3410ParamSetParameters cryptoProB = new Gost3410ParamSetParameters( + 1024, + new BigInteger("139454871199115825601409655107690713107041707059928031797758001454375765357722984094124368522288239833039114681648076688236921220737322672160740747771700911134550432053804647694904686120113087816240740184800477047157336662926249423571248823968542221753660143391485680840520336859458494803187341288580489525163"), + new BigInteger("79885141663410976897627118935756323747307951916507639758300472692338873533959"), + new BigInteger("42941826148615804143873447737955502392672345968607143066798112994089471231420027060385216699563848719957657284814898909770759462613437669456364882730370838934791080835932647976778601915343474400961034231316672578686920482194932878633360203384797092684342247621055760235016132614780652761028509445403338652341") + // validationAlgorithm { + // algorithm + // id-GostR3410-94-bBis, + // parameters + // GostR3410-94-ValidationBisParameters: { + // x0 1536654555, + // c 1855361757, + // d 14408629386140014567655 + //4902939282056547857802241461782996702017713059974755104394739915140 + //6115284791024439062735788342744854120601660303926203867703556828005 + //8957203818114895398976594425537561271800850306 + // } + // } + //} + ); + + private static readonly Gost3410ParamSetParameters cryptoProXchA = new Gost3410ParamSetParameters( + 1024, + new BigInteger("142011741597563481196368286022318089743276138395243738762872573441927459393512718973631166078467600360848946623567625795282774719212241929071046134208380636394084512691828894000571524625445295769349356752728956831541775441763139384457191755096847107846595662547942312293338483924514339614727760681880609734239"), + new BigInteger("91771529896554605945588149018382750217296858393520724172743325725474374979801"), + new BigInteger("133531813272720673433859519948319001217942375967847486899482359599369642528734712461590403327731821410328012529253871914788598993103310567744136196364803064721377826656898686468463277710150809401182608770201615324990468332931294920912776241137878030224355746606283971659376426832674269780880061631528163475887") + ); + + static Gost3410NamedParameters() + { + parameters[CryptoProObjectIdentifiers.GostR3410x94CryptoProA] = cryptoProA; + parameters[CryptoProObjectIdentifiers.GostR3410x94CryptoProB] = cryptoProB; + //parameters[CryptoProObjectIdentifiers.GostR3410x94CryptoProC] = cryptoProC; + //parameters[CryptoProObjectIdentifiers.GostR3410x94CryptoProD] = cryptoProD; + parameters[CryptoProObjectIdentifiers.GostR3410x94CryptoProXchA] = cryptoProXchA; + //parameters[CryptoProObjectIdentifiers.GostR3410x94CryptoProXchB] = cryptoProXchA; + //parameters[CryptoProObjectIdentifiers.GostR3410x94CryptoProXchC] = cryptoProXchA; + + objIds["GostR3410-94-CryptoPro-A"] = CryptoProObjectIdentifiers.GostR3410x94CryptoProA; + objIds["GostR3410-94-CryptoPro-B"] = CryptoProObjectIdentifiers.GostR3410x94CryptoProB; + objIds["GostR3410-94-CryptoPro-XchA"] = CryptoProObjectIdentifiers.GostR3410x94CryptoProXchA; + } + + /** + * return the GOST3410ParamSetParameters object for the given OID, null if it + * isn't present. + * + * @param oid an object identifier representing a named parameters, if present. + */ + public static Gost3410ParamSetParameters GetByOid( + DerObjectIdentifier oid) + { + return (Gost3410ParamSetParameters) parameters[oid]; + } + + /** + * returns an enumeration containing the name strings for parameters + * contained in this structure. + */ + public static IEnumerable Names + { + get { return new EnumerableProxy(objIds.Keys); } + } + + public static Gost3410ParamSetParameters GetByName( + string name) + { + DerObjectIdentifier oid = (DerObjectIdentifier) objIds[name]; + + if (oid != null) + { + return (Gost3410ParamSetParameters) parameters[oid]; + } + + return null; + } + + public static DerObjectIdentifier GetOid( + string name) + { + return (DerObjectIdentifier) objIds[name]; + } + } +} |