diff options
Diffstat (limited to 'crypto/src/asn1/x9')
| -rw-r--r-- | crypto/src/asn1/x9/X9Curve.cs | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/crypto/src/asn1/x9/X9Curve.cs b/crypto/src/asn1/x9/X9Curve.cs index eab94def8..0be9bf935 100644 --- a/crypto/src/asn1/x9/X9Curve.cs +++ b/crypto/src/asn1/x9/X9Curve.cs @@ -79,9 +79,8 @@ namespace Org.BouncyCastle.Asn1.X9 { // Characteristic two field DerSequence parameters = (DerSequence)fieldID.Parameters; - int m = ((DerInteger)parameters[0]).Value.IntValue; - DerObjectIdentifier representation - = (DerObjectIdentifier)parameters[1]; + int m = ((DerInteger)parameters[0]).IntValueExact; + DerObjectIdentifier representation = (DerObjectIdentifier)parameters[1]; int k1 = 0; int k2 = 0; @@ -89,15 +88,15 @@ namespace Org.BouncyCastle.Asn1.X9 if (representation.Equals(X9ObjectIdentifiers.TPBasis)) { // Trinomial basis representation - k1 = ((DerInteger)parameters[2]).Value.IntValue; + k1 = ((DerInteger)parameters[2]).IntValueExact; } else { // Pentanomial basis representation DerSequence pentanomial = (DerSequence) parameters[2]; - k1 = ((DerInteger) pentanomial[0]).Value.IntValue; - k2 = ((DerInteger) pentanomial[1]).Value.IntValue; - k3 = ((DerInteger) pentanomial[2]).Value.IntValue; + k1 = ((DerInteger)pentanomial[0]).IntValueExact; + k2 = ((DerInteger)pentanomial[1]).IntValueExact; + k3 = ((DerInteger)pentanomial[2]).IntValueExact; } BigInteger A = new BigInteger(1, Asn1OctetString.GetInstance(seq[0]).GetOctets()); BigInteger B = new BigInteger(1, Asn1OctetString.GetInstance(seq[1]).GetOctets()); |