diff options
Diffstat (limited to 'crypto/src/asn1/x509/KeyUsage.cs')
| -rw-r--r-- | crypto/src/asn1/x509/KeyUsage.cs | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/crypto/src/asn1/x509/KeyUsage.cs b/crypto/src/asn1/x509/KeyUsage.cs index aeaffb708..b31b54341 100644 --- a/crypto/src/asn1/x509/KeyUsage.cs +++ b/crypto/src/asn1/x509/KeyUsage.cs @@ -30,23 +30,23 @@ namespace Org.BouncyCastle.Asn1.X509 public const int EncipherOnly = (1 << 0); public const int DecipherOnly = (1 << 15); - public static new KeyUsage GetInstance( - object obj) + public static new KeyUsage GetInstance(object obj) { if (obj is KeyUsage) - { return (KeyUsage)obj; - } - - if (obj is X509Extension) - { - return GetInstance(X509Extension.ConvertValueToObject((X509Extension) obj)); - } - + if (obj is X509Extension) + return GetInstance(X509Extension.ConvertValueToObject((X509Extension)obj)); + if (obj == null) + return null; return new KeyUsage(DerBitString.GetInstance(obj)); } - /** + public static KeyUsage FromExtensions(X509Extensions extensions) + { + return GetInstance(X509Extensions.GetExtensionParsedValue(extensions, X509Extensions.KeyUsage)); + } + + /** * Basic constructor. * * @param usage - the bitwise OR of the Key Usage flags giving the |