diff options
Diffstat (limited to 'crypto/src/asn1/x509/X509Extensions.cs')
| -rw-r--r-- | crypto/src/asn1/x509/X509Extensions.cs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/crypto/src/asn1/x509/X509Extensions.cs b/crypto/src/asn1/x509/X509Extensions.cs index 049d728bb..d1b9fa39a 100644 --- a/crypto/src/asn1/x509/X509Extensions.cs +++ b/crypto/src/asn1/x509/X509Extensions.cs @@ -224,7 +224,10 @@ namespace Org.BouncyCastle.Asn1.X509 Asn1OctetString octets = Asn1OctetString.GetInstance(s[s.Count - 1].ToAsn1Object()); - extensions.Add(oid, new X509Extension(isCritical, octets)); + if (extensions.Contains(oid)) + throw new ArgumentException("repeated extension found: " + oid); + + extensions.Add(oid, new X509Extension(isCritical, octets)); ordering.Add(oid); } } |