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-rw-r--r--src/constructs/srp6/srp6.h97
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diff --git a/src/constructs/srp6/srp6.h b/src/constructs/srp6/srp6.h
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-/*
-* SRP-6a (RFC 5054 compatatible)
-* (C) 2011,2012 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_RFC5054_SRP6_H__
-#define BOTAN_RFC5054_SRP6_H__
-
-#include <botan/bigint.h>
-#include <botan/hash.h>
-#include <botan/rng.h>
-#include <botan/symkey.h>
-#include <string>
-
-namespace Botan {
-
-/**
-* SRP6a Client side
-* @param username the username we are attempting login for
-* @param password the password we are attempting to use
-* @param group_id specifies the shared SRP group
-* @param hash_id specifies a secure hash function
-* @param salt is the salt value sent by the server
-* @param B is the server's public value
-* @param rng is a random number generator
-*
-* @return (A,K) the client public key and the shared secret key
-*/
-std::pair<BigInt,SymmetricKey>
-BOTAN_DLL srp6_client_agree(const std::string& username,
- const std::string& password,
- const std::string& group_id,
- const std::string& hash_id,
- const std::vector<byte>& salt,
- const BigInt& B,
- RandomNumberGenerator& rng);
-
-/**
-* Generate a new SRP-6 verifier
-* @param identifier a username or other client identifier
-* @param password the secret used to authenticate user
-* @param salt a randomly chosen value, at least 128 bits long
-* @param group_id specifies the shared SRP group
-* @param hash_id specifies a secure hash function
-*/
-BigInt BOTAN_DLL generate_srp6_verifier(const std::string& identifier,
- const std::string& password,
- const std::vector<byte>& salt,
- const std::string& group_id,
- const std::string& hash_id);
-
-/**
-* Return the group id for this SRP param set, or else thrown an
-* exception
-* @param N the group modulus
-* @param g the group generator
-* @return group identifier
-*/
-std::string BOTAN_DLL srp6_group_identifier(const BigInt& N, const BigInt& g);
-
-/**
-* Represents a SRP-6a server session
-*/
-class BOTAN_DLL SRP6_Server_Session
- {
- public:
- /**
- * Server side step 1
- * @param v the verification value saved from client registration
- * @param group_id the SRP group id
- * @param hash_id the SRP hash in use
- * @param rng a random number generator
- * @return SRP-6 B value
- */
- BigInt step1(const BigInt& v,
- const std::string& group_id,
- const std::string& hash_id,
- RandomNumberGenerator& rng);
-
- /**
- * Server side step 2
- * @param A the client's value
- * @return shared symmetric key
- */
- SymmetricKey step2(const BigInt& A);
-
- private:
- std::string hash_id;
- BigInt B, b, v, S, p;
- size_t p_bytes;
- };
-
-}
-
-#endif