diff options
Diffstat (limited to 'crypto/src/asn1/cms/RecipientInfo.cs')
| -rw-r--r-- | crypto/src/asn1/cms/RecipientInfo.cs | 66 |
1 files changed, 32 insertions, 34 deletions
diff --git a/crypto/src/asn1/cms/RecipientInfo.cs b/crypto/src/asn1/cms/RecipientInfo.cs index c03ad907f..3f5ccea5b 100644 --- a/crypto/src/asn1/cms/RecipientInfo.cs +++ b/crypto/src/asn1/cms/RecipientInfo.cs @@ -45,17 +45,19 @@ namespace Org.BouncyCastle.Asn1.Cms this.info = info; } - public static RecipientInfo GetInstance( - object o) + public static RecipientInfo GetInstance(object o) { - if (o == null || o is RecipientInfo) - return (RecipientInfo) o; + if (o == null) + return null; - if (o is Asn1Sequence) - return new RecipientInfo((Asn1Sequence) o); + if (o is RecipientInfo recipientInfo) + return recipientInfo; - if (o is Asn1TaggedObject) - return new RecipientInfo((Asn1TaggedObject) o); + if (o is Asn1Sequence sequence) + return new RecipientInfo(sequence); + + if (o is Asn1TaggedObject taggedObject) + return new RecipientInfo(taggedObject); throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(o)); } @@ -64,22 +66,20 @@ namespace Org.BouncyCastle.Asn1.Cms { get { - if (info is Asn1TaggedObject) + if (info is Asn1TaggedObject o) { - Asn1TaggedObject o = (Asn1TaggedObject) info; - switch (o.TagNo) { - case 1: - return KeyAgreeRecipientInfo.GetInstance(o, false).Version; - case 2: - return GetKekInfo(o).Version; - case 3: - return PasswordRecipientInfo.GetInstance(o, false).Version; - case 4: - return new DerInteger(0); // no syntax version for OtherRecipientInfo - default: - throw new InvalidOperationException("unknown tag"); + case 1: + return KeyAgreeRecipientInfo.GetInstance(o, false).Version; + case 2: + return GetKekInfo(o).Version; + case 3: + return PasswordRecipientInfo.GetInstance(o, false).Version; + case 4: + return new DerInteger(0); // no syntax version for OtherRecipientInfo + default: + throw new InvalidOperationException("unknown tag"); } } @@ -96,22 +96,20 @@ namespace Org.BouncyCastle.Asn1.Cms { get { - if (info is Asn1TaggedObject) + if (info is Asn1TaggedObject o) { - Asn1TaggedObject o = (Asn1TaggedObject) info; - switch (o.TagNo) { - case 1: - return KeyAgreeRecipientInfo.GetInstance(o, false); - case 2: - return GetKekInfo(o); - case 3: - return PasswordRecipientInfo.GetInstance(o, false); - case 4: - return OtherRecipientInfo.GetInstance(o, false); - default: - throw new InvalidOperationException("unknown tag"); + case 1: + return KeyAgreeRecipientInfo.GetInstance(o, false); + case 2: + return GetKekInfo(o); + case 3: + return PasswordRecipientInfo.GetInstance(o, false); + case 4: + return OtherRecipientInfo.GetInstance(o, false); + default: + throw new InvalidOperationException("unknown tag"); } } |