srp.h File Reference

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Enumerations
enum	SRP_NGType {   SRP_NG_1024 , SRP_NG_2048 , SRP_NG_4096 , SRP_NG_8192 ,   SRP_NG_CUSTOM }
enum	SRP_HashAlgorithm { SRP_SHA256 }
enum	SRP_Result { SRP_ERR , SRP_OK }

Functions
SRP_Result	srp_create_salted_verification_key (SRP_HashAlgorithm alg, SRP_NGType ng_type, const char *username_for_verifier, const unsigned char *password, size_t len_password, unsigned char **bytes_s, size_t *len_s, unsigned char **bytes_v, size_t *len_v, const char *n_hex, const char *g_hex)
struct SRPVerifier *	srp_verifier_new (SRP_HashAlgorithm alg, SRP_NGType ng_type, const char *username, const unsigned char *bytes_s, size_t len_s, const unsigned char *bytes_v, size_t len_v, const unsigned char *bytes_A, size_t len_A, const unsigned char *bytes_b, size_t len_b, unsigned char **bytes_B, size_t *len_B, const char *n_hex, const char *g_hex)
void	srp_verifier_delete (struct SRPVerifier *ver)
int	srp_verifier_is_authenticated (struct SRPVerifier *ver)
const char *	srp_verifier_get_username (struct SRPVerifier *ver)
const unsigned char *	srp_verifier_get_session_key (struct SRPVerifier *ver, size_t *key_length)
size_t	srp_verifier_get_session_key_length (struct SRPVerifier *ver)
void	srp_verifier_verify_session (struct SRPVerifier *ver, const unsigned char *user_M, unsigned char **bytes_HAMK)
struct SRPUser *	srp_user_new (SRP_HashAlgorithm alg, SRP_NGType ng_type, const char *username, const char *username_for_verifier, const unsigned char *bytes_password, size_t len_password, const char *n_hex, const char *g_hex)
void	srp_user_delete (struct SRPUser *usr)
int	srp_user_is_authenticated (struct SRPUser *usr)
const char *	srp_user_get_username (struct SRPUser *usr)
const unsigned char *	srp_user_get_session_key (struct SRPUser *usr, size_t *key_length)
size_t	srp_user_get_session_key_length (struct SRPUser *usr)
SRP_Result	srp_user_start_authentication (struct SRPUser *usr, char **username, const unsigned char *bytes_a, size_t len_a, unsigned char **bytes_A, size_t *len_A)
void	srp_user_process_challenge (struct SRPUser *usr, const unsigned char *bytes_s, size_t len_s, const unsigned char *bytes_B, size_t len_B, unsigned char **bytes_M, size_t *len_M)
void	srp_user_verify_session (struct SRPUser *usr, const unsigned char *bytes_HAMK)

Enumeration Type Documentation

SRP_HashAlgorithm

enum SRP_HashAlgorithm

Enumerator
SRP_SHA256

SRP_NGType

enum SRP_NGType

Enumerator
SRP_NG_1024
SRP_NG_2048
SRP_NG_4096
SRP_NG_8192
SRP_NG_CUSTOM

SRP_Result

enum SRP_Result

Enumerator
SRP_ERR
SRP_OK

Function Documentation

srp_create_salted_verification_key()

SRP_Result srp_create_salted_verification_key	(	SRP_HashAlgorithm	alg,
		SRP_NGType	ng_type,
		const char *	username_for_verifier,
		const unsigned char *	password,
		size_t	len_password,
		unsigned char **	bytes_s,
		size_t *	len_s,
		unsigned char **	bytes_v,
		size_t *	len_v,
		const char *	n_hex,
		const char *	g_hex )

References calculate_x(), delete_ng(), NGConstant::g, mpz_num_bytes(), mpz_to_bin(), NGConstant::N, new_ng(), porting::secure_rand_fill_buf(), srp_dbg_num, SRP_ERR, and SRP_OK.

Referenced by gen_srp_v().

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srp_user_delete()

void srp_user_delete

(

struct SRPUser *

usr

)

References SRPUser::A, SRPUser::a, SRPUser::bytes_A, delete_ng(), SRPUser::ng, SRPUser::password, SRPUser::password_len, SRPUser::S, SRPUser::username, and SRPUser::username_verifier.

Referenced by Client::deleteAuthData(), and Client::handleCommand_Hello().

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srp_user_get_session_key()

const unsigned char * srp_user_get_session_key	(	struct SRPUser *	usr,
		size_t *	key_length )

References SRPUser::hash_alg, hash_length(), and SRPUser::session_key.

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srp_user_get_session_key_length()

size_t srp_user_get_session_key_length

(

struct SRPUser *

usr

)

References SRPUser::hash_alg, and hash_length().

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srp_user_get_username()

const char * srp_user_get_username

(

struct SRPUser *

usr

)

References SRPUser::username.

srp_user_is_authenticated()

int srp_user_is_authenticated

(

struct SRPUser *

usr

)

References SRPUser::authenticated.

srp_user_new()

struct SRPUser * srp_user_new	(	SRP_HashAlgorithm	alg,
		SRP_NGType	ng_type,
		const char *	username,
		const char *	username_for_verifier,
		const unsigned char *	bytes_password,
		size_t	len_password,
		const char *	n_hex,
		const char *	g_hex )

References SRPUser::A, SRPUser::a, SRPUser::authenticated, SRPUser::bytes_A, delete_ng(), SRPUser::hash_alg, new_ng(), SRPUser::ng, SRPUser::password, SRPUser::password_len, SRPUser::S, SRPUser::username, and SRPUser::username_verifier.

Referenced by Client::startAuth().

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srp_user_process_challenge()

void srp_user_process_challenge	(	struct SRPUser *	usr,
		const unsigned char *	bytes_s,
		size_t	len_s,
		const unsigned char *	bytes_B,
		size_t	len_B,
		unsigned char **	bytes_M,
		size_t *	len_M )

References SRPUser::A, SRPUser::a, calculate_H_AMK(), calculate_M(), calculate_x(), NGConstant::g, SRPUser::H_AMK, H_nn(), SRPUser::hash_alg, hash_length(), hash_num(), SRPUser::M, mpz_from_bin(), mpz_mulm(), mpz_subm(), NGConstant::N, SRPUser::ng, SRPUser::password, SRPUser::password_len, SRPUser::S, SRPUser::session_key, srp_dbg_num, SRPUser::username, and SRPUser::username_verifier.

Referenced by Client::handleCommand_SrpBytesSandB().

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srp_user_start_authentication()

SRP_Result srp_user_start_authentication	(	struct SRPUser *	usr,
		char **	username,
		const unsigned char *	bytes_a,
		size_t	len_a,
		unsigned char **	bytes_A,
		size_t *	len_A )

References SRPUser::A, SRPUser::a, SRPUser::bytes_A, NGConstant::g, mpz_fill_random(), mpz_from_bin(), mpz_num_bytes(), mpz_to_bin(), NGConstant::N, SRPUser::ng, SRP_ERR, SRP_OK, and SRPUser::username.

Referenced by Client::startAuth().

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srp_user_verify_session()

void srp_user_verify_session	(	struct SRPUser *	usr,
		const unsigned char *	bytes_HAMK )

References SRPUser::authenticated, SRPUser::H_AMK, SRPUser::hash_alg, and hash_length().

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srp_verifier_delete()

void srp_verifier_delete

(

struct SRPVerifier *

ver

)

References SRPVerifier::bytes_B, delete_ng(), SRPVerifier::ng, and SRPVerifier::username.

Referenced by RemoteClient::resetChosenMech().

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srp_verifier_get_session_key()

const unsigned char * srp_verifier_get_session_key	(	struct SRPVerifier *	ver,
		size_t *	key_length )

References SRPVerifier::hash_alg, hash_length(), and SRPVerifier::session_key.

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srp_verifier_get_session_key_length()

size_t srp_verifier_get_session_key_length

(

struct SRPVerifier *

ver

)

References SRPVerifier::hash_alg, and hash_length().

Referenced by Server::handleCommand_SrpBytesM().

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srp_verifier_get_username()

const char * srp_verifier_get_username

(

struct SRPVerifier *

ver

)

References SRPVerifier::username.

srp_verifier_is_authenticated()

int srp_verifier_is_authenticated

(

struct SRPVerifier *

ver

)

References SRPVerifier::authenticated.

srp_verifier_new()

struct SRPVerifier * srp_verifier_new	(	SRP_HashAlgorithm	alg,
		SRP_NGType	ng_type,
		const char *	username,
		const unsigned char *	bytes_s,
		size_t	len_s,
		const unsigned char *	bytes_v,
		size_t	len_v,
		const unsigned char *	bytes_A,
		size_t	len_A,
		const unsigned char *	bytes_b,
		size_t	len_b,
		unsigned char **	bytes_B,
		size_t *	len_B,
		const char *	n_hex,
		const char *	g_hex )

References SRPVerifier::authenticated, SRPVerifier::bytes_B, calculate_H_AMK(), calculate_M(), NGConstant::g, SRPVerifier::H_AMK, H_nn(), SRPVerifier::hash_alg, hash_num(), SRPVerifier::M, mpz_addm(), mpz_fill_random(), mpz_from_bin(), mpz_mulm(), mpz_num_bytes(), mpz_to_bin(), NGConstant::N, new_ng(), SRPVerifier::ng, SRPVerifier::session_key, srp_dbg_num, and SRPVerifier::username.

Referenced by Server::handleCommand_SrpBytesA().

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srp_verifier_verify_session()

void srp_verifier_verify_session	(	struct SRPVerifier *	ver,
		const unsigned char *	user_M,
		unsigned char **	bytes_HAMK )

References SRPVerifier::authenticated, SRPVerifier::H_AMK, SRPVerifier::hash_alg, hash_length(), and SRPVerifier::M.

Referenced by Server::handleCommand_SrpBytesM().

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