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Diffstat (limited to 'lib/cert/cvc/ecdsa_sig.h')
-rw-r--r-- | lib/cert/cvc/ecdsa_sig.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/lib/cert/cvc/ecdsa_sig.h b/lib/cert/cvc/ecdsa_sig.h new file mode 100644 index 000000000..1c3b506cb --- /dev/null +++ b/lib/cert/cvc/ecdsa_sig.h @@ -0,0 +1,61 @@ +/* +* ECDSA Signature +* (C) 2007 Falko Strenzke, FlexSecure GmbH +* (C) 2008-2010 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 representing an ECDSA signature +*/ +class BOTAN_DLL ECDSA_Signature + { + public: + friend class ECDSA_Signature_Decoder; + + ECDSA_Signature() {} + ECDSA_Signature(const BigInt& r, const BigInt& s) : + m_r(r), m_s(s) {} + + ECDSA_Signature(const std::vector<byte>& ber); + + const BigInt& get_r() const { return m_r; } + const BigInt& get_s() const { return m_s; } + + /** + * return the r||s + */ + std::vector<byte> get_concatenation() const; + + std::vector<byte> DER_encode() const; + + bool operator==(const ECDSA_Signature& other) const + { + return (get_r() == other.get_r() && get_s() == other.get_s()); + } + + private: + BigInt m_r; + BigInt m_s; + }; + +inline bool operator!=(const ECDSA_Signature& lhs, const ECDSA_Signature& rhs) + { + return !(lhs == rhs); + } + +ECDSA_Signature decode_concatenation(const std::vector<byte>& concatenation); + +} + +#endif |