#ifndef __LIB_6_H__
#define __LIB_6_H__
#include "lib6.h"
#include "lib5.h"
#include "lib4.h"
#include "lib3.h"
#include "lib2.h"
#include "lib.h"


struct dsa_public_params {
	BIGNUM *p;
	BIGNUM *q;
	BIGNUM *g;
	unsigned int bits;
};

struct dsa_per_user_param {
	BIGNUM *public;
	BIGNUM *private;
	// signature data here also because they should not be here
	BIGNUM *r;
	BIGNUM *s;
};


int rsa_sign_bignum(BIGNUM *message, BIGNUM *signed_message, struct rsa_key_bignum *private);
int rsa_verify_bignum(BIGNUM *signed_message, BIGNUM *org_message, struct rsa_key_bignum *public);
int shitty_pkcs1_5_padding_verify(char *to_verify, int len, char *message);
int pkcs1_5_padding_verify(char *to_verify, int len, char *message);
void init_dsa_pub_param(struct dsa_public_params *p);
void dsa_compute_per_user_keys(struct dsa_public_params *pub_param, struct
		dsa_per_user_param *priv_param);
void dsa_sign(char *mess, struct dsa_public_params *pub_param, struct dsa_per_user_param
		*priv_param, BIGNUM *k);
int dsa_verify(char *mess, struct dsa_public_params *pub, struct dsa_per_user_param
		*priv);
void dsa_recover_x_from_known_k(struct dsa_public_params *pub, BIGNUM *k,
		struct dsa_per_user_param *priv, BIGNUM *mess_hash);
void dsa_recover_k_from_repeated_nonce(BIGNUM *mess1_hash, BIGNUM *mess2_hash,
		BIGNUM *s1, BIGNUM *s2, struct dsa_public_params *pub,
		struct dsa_per_user_param *priv, BIGNUM *k);
void dsa_generate_magic_signature(struct dsa_public_params *pub, struct dsa_per_user_param
		*priv, BIGNUM *mess_hash);
#endif /* __LIB_6_H__ */