/usr/include/botan/ecdsa_sig.h is in libbotan1.8-dev 1.8.13-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | /*
* ECDSA
* (C) 2007 Falko Strenzke, FlexSecure GmbH
* (C) 2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_ECDSA_SIGNATURE_H__
#define BOTAN_ECDSA_SIGNATURE_H__
#include <botan/bigint.h>
#include <botan/der_enc.h>
#include <botan/ber_dec.h>
namespace Botan {
class BOTAN_DLL ECDSA_Signature
{
public:
friend class ECDSA_Signature_Decoder;
ECDSA_Signature() {}
ECDSA_Signature(const BigInt& r, const BigInt& s);
ECDSA_Signature(ECDSA_Signature const& other);
ECDSA_Signature const& operator=(ECDSA_Signature const& other);
const BigInt& get_r() const { return m_r; }
const BigInt& get_s() const { return m_s; }
/**
* return the r||s
*/
SecureVector<byte> const get_concatenation() const;
private:
BigInt m_r;
BigInt m_s;
};
/* Equality of ECDSA_Signature */
bool operator==(const ECDSA_Signature& lhs, const ECDSA_Signature& rhs);
inline bool operator!=(const ECDSA_Signature& lhs, const ECDSA_Signature& rhs)
{
return !(lhs == rhs);
}
class BOTAN_DLL ECDSA_Signature_Decoder
{
public:
void signature_bits(const MemoryRegion<byte>& bits)
{
BER_Decoder(bits)
.start_cons(SEQUENCE)
.decode(m_signature->m_r)
.decode(m_signature->m_s)
.verify_end()
.end_cons();
}
ECDSA_Signature_Decoder(ECDSA_Signature* signature) : m_signature(signature)
{}
private:
ECDSA_Signature* m_signature;
};
class BOTAN_DLL ECDSA_Signature_Encoder
{
public:
MemoryVector<byte> signature_bits() const
{
return DER_Encoder()
.start_cons(SEQUENCE)
.encode(m_signature->get_r())
.encode(m_signature->get_s())
.end_cons()
.get_contents();
}
ECDSA_Signature_Encoder(const ECDSA_Signature* signature) : m_signature(signature)
{}
private:
const ECDSA_Signature* m_signature;
};
ECDSA_Signature const decode_seq(MemoryRegion<byte> const& seq);
ECDSA_Signature const decode_concatenation(MemoryRegion<byte> const& concatenation);
}
#endif
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