Hi All,
in file ec2n.cpp is a little bug; in ecp.cpp it is fixed in an earlier
version but forgotton in ec2n.cpp:
********yours-ec2n.cpp
m_field->BERDecodeElement(seq, m_b);
// skip optional seed
if (!seq.EndReached())
23c23,27
< BERDecodeOctetString(seq, TheBitBucket());
---mine-ec2n.cpp
> {
> SecByteBlock seed;
> unsigned int unused;
> BERDecodeBitString(seq, seed, unused);
> }
seq.MessageEnd();
}
==============================================
The whole constructor should look like in ECP::ECP or as seen below
(optional seed is actually coded as a bit string):
EC2N::EC2N(BufferedTransformation &bt)
: m_field(BERDecodeGF2NP(bt))
{
BERSequenceDecoder seq(bt);
m_field->BERDecodeElement(seq, m_a);
m_field->BERDecodeElement(seq, m_b);
// skip optional seed
if (!seq.EndReached())
{
SecByteBlock seed;
unsigned int unused;
BERDecodeBitString(seq, seed, unused);
}
seq.MessageEnd();
}
==============================================
Best Regards
Andreas Menke
-----------------------------
Diplom-Informatiker (Uni.)
Andreas Menke
Team Leader, Development
OPENLiMiT SignCubes GmbH
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