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| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2021-11-21 13:53:34 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2021-11-21 13:53:34 +0700 |
| commit | fd62c077b82454d94ee2419992c886ed821777e3 (patch) | |
| tree | 2ecd30ac0d0894fd3981be7232aa6237ba65afb7 /crypto/src/x509/X509CertPairParser.cs | |
| parent | ASN.1: Tagged object parser improvements (diff) | |
| download | BouncyCastle.NET-ed25519-fd62c077b82454d94ee2419992c886ed821777e3.tar.xz | |
Use Seek when available
Diffstat (limited to 'crypto/src/x509/X509CertPairParser.cs')
| -rw-r--r-- | crypto/src/x509/X509CertPairParser.cs | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/crypto/src/x509/X509CertPairParser.cs b/crypto/src/x509/X509CertPairParser.cs index 82612599b..89a8a8e96 100644 --- a/crypto/src/x509/X509CertPairParser.cs +++ b/crypto/src/x509/X509CertPairParser.cs @@ -62,15 +62,22 @@ namespace Org.BouncyCastle.X509 try { - PushbackStream pis = new PushbackStream(inStream); - int tag = pis.ReadByte(); + int tag = inStream.ReadByte(); + if (tag < 0) + return null; - if (tag < 0) - return null; + if (inStream.CanSeek) + { + inStream.Seek(-1L, SeekOrigin.Current); + } + else + { + PushbackStream pis = new PushbackStream(inStream); + pis.Unread(tag); + inStream = pis; + } - pis.Unread(tag); - - return ReadDerCrossCertificatePair(pis); + return ReadDerCrossCertificatePair(inStream); } catch (Exception e) { |