diff options
Diffstat (limited to 'crypto/src/cms/SignerInformation.cs')
| -rw-r--r-- | crypto/src/cms/SignerInformation.cs | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/crypto/src/cms/SignerInformation.cs b/crypto/src/cms/SignerInformation.cs index 551d9b737..99d300121 100644 --- a/crypto/src/cms/SignerInformation.cs +++ b/crypto/src/cms/SignerInformation.cs @@ -433,11 +433,9 @@ namespace Org.BouncyCastle.Cms if (isCounterSignature) throw new CmsException("[For counter signatures,] the signedAttributes field MUST NOT contain a content-type attribute"); - if (!(validContentType is DerObjectIdentifier)) + if (!(validContentType is DerObjectIdentifier signedContentType)) throw new CmsException("content-type attribute value not of ASN.1 type 'OBJECT IDENTIFIER'"); - DerObjectIdentifier signedContentType = (DerObjectIdentifier)validContentType; - if (!signedContentType.Equals(contentType)) throw new CmsException("content-type attribute value does not match eContentType"); } @@ -454,12 +452,8 @@ namespace Org.BouncyCastle.Cms } else { - if (!(validMessageDigest is Asn1OctetString)) - { + if (!(validMessageDigest is Asn1OctetString signedMessageDigest)) throw new CmsException("message-digest attribute value not of ASN.1 type 'OCTET STRING'"); - } - - Asn1OctetString signedMessageDigest = (Asn1OctetString)validMessageDigest; if (!Arrays.AreEqual(resultDigest, signedMessageDigest.GetOctets())) throw new CmsException("message-digest attribute value does not match calculated value"); |