1 files changed, 5 insertions, 1 deletions

diff --git a/asn.h b/asn.h
index 5e5bbb82..d79f98dd 100644
--- a/asn.h
+++ b/asn.h
@@ -208,7 +208,11 @@ CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodeBitString(BufferedTransformation &bt,
 CRYPTOPP_DLL void CRYPTOPP_API DERReencode(BufferedTransformation &bt, BufferedTransformation &dest);

 

 /// \brief BER decode size

-/// \param bt BufferedTransformation object for writing

+/// \param bt BufferedTransformation object for reading

+/// \returns the length of the ASN.1 value, in bytes

+/// \details BERDecodePeekLength() determines the length of a value without

+///  consuming octets in the stream. The stream must use definite length encoding.

+///  If indefinite length encoding is used or an error occurs, then 0 is returned.

 /// \since Crypto++ 8.3

 CRYPTOPP_DLL size_t CRYPTOPP_API BERDecodePeekLength(BufferedTransformation &bt);