Don't support old Kyber format

peterdettman · peterdettman · commit 0f3e4121c833 · 2024-11-29T17:18:08.000+07:00
diff --git a/crypto/src/security/PublicKeyFactory.cs b/crypto/src/security/PublicKeyFactory.cs
@@ -314,17 +314,6 @@ internal static MLDsaPublicKeyParameters GetMLDsaPublicKey(MLDsaParameters mlDsa
                             if (oct.GetOctetsLength() == publicKeyLength)
                                 return MLDsaPublicKeyParameters.FromEncoding(mlDsaParameters, encoding: oct.GetOctets());
                         }
-                        else if (obj is Asn1Sequence seq)
-                        {
-                            var rho = Asn1OctetString.GetInstance(seq[0]);
-                            var t1 = Asn1OctetString.GetInstance(seq[1]);
-
-                            if (rho.GetOctetsLength() == DilithiumEngine.SeedBytes &&
-                                t1.GetOctetsLength() == publicKeyLength - DilithiumEngine.SeedBytes)
-                            {
-                                return new MLDsaPublicKeyParameters(mlDsaParameters, rho.GetOctets(), t1.GetOctets());
-                            }
-                        }
                     }
                     catch (Exception)
                     {

Original file line number	Diff line number	Diff line change
`@@ -314,17 +314,6 @@ internal static MLDsaPublicKeyParameters GetMLDsaPublicKey(MLDsaParameters mlDsa`
`314`	`314`	`if (oct.GetOctetsLength() == publicKeyLength)`
`315`	`315`	`return MLDsaPublicKeyParameters.FromEncoding(mlDsaParameters, encoding: oct.GetOctets());`
`316`	`316`	`}`
`317`		`- else if (obj is Asn1Sequence seq)`
`318`		`- {`
`319`		`- var rho = Asn1OctetString.GetInstance(seq[0]);`
`320`		`- var t1 = Asn1OctetString.GetInstance(seq[1]);`
`321`		`-`
`322`		`- if (rho.GetOctetsLength() == DilithiumEngine.SeedBytes &&`
`323`		`- t1.GetOctetsLength() == publicKeyLength - DilithiumEngine.SeedBytes)`
`324`		`- {`
`325`		`- return new MLDsaPublicKeyParameters(mlDsaParameters, rho.GetOctets(), t1.GetOctets());`
`326`		`- }`
`327`		`- }`
`328`	`317`	`}`
`329`	`318`	`catch (Exception)`
`330`	`319`	`{`