diff options
Diffstat (limited to 'crypto/src/asn1/x9/ECNamedCurveTable.cs')
| -rw-r--r-- | crypto/src/asn1/x9/ECNamedCurveTable.cs | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/crypto/src/asn1/x9/ECNamedCurveTable.cs b/crypto/src/asn1/x9/ECNamedCurveTable.cs index fcd2810e7..f0d70272b 100644 --- a/crypto/src/asn1/x9/ECNamedCurveTable.cs +++ b/crypto/src/asn1/x9/ECNamedCurveTable.cs @@ -54,6 +54,36 @@ namespace Org.BouncyCastle.Asn1.X9 return ecP; } + public static X9ECParametersHolder GetByNameLazy(string name) + { + X9ECParametersHolder holder = X962NamedCurves.GetByNameLazy(name); + if (null == holder) + { + holder = SecNamedCurves.GetByNameLazy(name); + } + if (null == holder) + { + holder = NistNamedCurves.GetByNameLazy(name); + } + if (null == holder) + { + holder = TeleTrusTNamedCurves.GetByNameLazy(name); + } + if (null == holder) + { + holder = AnssiNamedCurves.GetByNameLazy(name); + } + if (null == holder) + { + holder = ECGost3410NamedCurves.GetByNameLazy(name); + } + if (null == holder) + { + holder = GMNamedCurves.GetByNameLazy(name); + } + return holder; + } + public static string GetName(DerObjectIdentifier oid) { string name = X962NamedCurves.GetName(oid); @@ -156,6 +186,35 @@ namespace Org.BouncyCastle.Asn1.X9 return ecP; } + public static X9ECParametersHolder GetByOidLazy(DerObjectIdentifier oid) + { + X9ECParametersHolder holder = X962NamedCurves.GetByOidLazy(oid); + if (null == holder) + { + holder = SecNamedCurves.GetByOidLazy(oid); + } + + // NOTE: All the NIST curves are currently from SEC, so no point in redundant OID lookup + + if (null == holder) + { + holder = TeleTrusTNamedCurves.GetByOidLazy(oid); + } + if (null == holder) + { + holder = AnssiNamedCurves.GetByOidLazy(oid); + } + if (null == holder) + { + holder = ECGost3410NamedCurves.GetByOidLazy(oid); + } + if (null == holder) + { + holder = GMNamedCurves.GetByOidLazy(oid); + } + return holder; + } + /** * return an enumeration of the names of the available curves. * |