diff options
Diffstat (limited to 'crypto/src/asn1/IndefiniteLengthInputStream.cs')
| -rw-r--r-- | crypto/src/asn1/IndefiniteLengthInputStream.cs | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/crypto/src/asn1/IndefiniteLengthInputStream.cs b/crypto/src/asn1/IndefiniteLengthInputStream.cs index 1c8bd9a15..e192e9e8b 100644 --- a/crypto/src/asn1/IndefiniteLengthInputStream.cs +++ b/crypto/src/asn1/IndefiniteLengthInputStream.cs @@ -57,7 +57,28 @@ namespace Org.BouncyCastle.Asn1 return numRead + 1; } - public override int ReadByte() +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + public override int Read(Span<byte> buffer) + { + // Only use this optimisation if we aren't checking for 00 + if (_eofOn00 || buffer.Length <= 1) + return base.Read(buffer); + + if (_lookAhead < 0) + return 0; + + int numRead = _in.Read(buffer[1..]); + if (numRead <= 0) + throw new EndOfStreamException(); + + buffer[0] = (byte)_lookAhead; + _lookAhead = RequireByte(); + + return numRead + 1; + } +#endif + + public override int ReadByte() { if (_eofOn00 && _lookAhead <= 0) { |