#ifndef WOLFSSL_DSA_H_
#define WOLFSSL_DSA_H_
#include <wolfssl/openssl/bn.h>
#include <wolfssl/openssl/compat_types.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct WOLFSSL_DSA_SIG {
WOLFSSL_BIGNUM *r;
WOLFSSL_BIGNUM *s;
} WOLFSSL_DSA_SIG;
#ifndef WOLFSSL_DSA_TYPE_DEFINED
typedef struct WOLFSSL_DSA WOLFSSL_DSA;
#define WOLFSSL_DSA_TYPE_DEFINED
#endif
struct WOLFSSL_DSA {
WOLFSSL_BIGNUM* p;
WOLFSSL_BIGNUM* q;
WOLFSSL_BIGNUM* g;
WOLFSSL_BIGNUM* pub_key;
WOLFSSL_BIGNUM* priv_key;
void* internal;
char inSet;
char exSet;
};
WOLFSSL_API WOLFSSL_DSA* wolfSSL_DSA_new(void);
WOLFSSL_API void wolfSSL_DSA_free(WOLFSSL_DSA* dsa);
#if !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM)
WOLFSSL_API int wolfSSL_DSA_print_fp(XFILE fp, WOLFSSL_DSA* dsa, int indent);
#endif
WOLFSSL_API int wolfSSL_DSA_generate_key(WOLFSSL_DSA* dsa);
typedef void (*WOLFSSL_BN_CB)(int i, int j, void* exArg);
WOLFSSL_API WOLFSSL_DSA* wolfSSL_DSA_generate_parameters(int bits,
unsigned char* seed, int seedLen, int* counterRet,
unsigned long* hRet, WOLFSSL_BN_CB cb, void* CBArg);
WOLFSSL_API int wolfSSL_DSA_generate_parameters_ex(WOLFSSL_DSA* dsa, int bits,
unsigned char* seed, int seedLen, int* counterRet,
unsigned long* hRet, void* cb);
WOLFSSL_API void wolfSSL_DSA_get0_pqg(const WOLFSSL_DSA *d, const WOLFSSL_BIGNUM **p,
const WOLFSSL_BIGNUM **q, const WOLFSSL_BIGNUM **g);
WOLFSSL_API int wolfSSL_DSA_set0_pqg(WOLFSSL_DSA *d, WOLFSSL_BIGNUM *p,
WOLFSSL_BIGNUM *q, WOLFSSL_BIGNUM *g);
WOLFSSL_API void wolfSSL_DSA_get0_key(const WOLFSSL_DSA *d,
const WOLFSSL_BIGNUM **pub_key, const WOLFSSL_BIGNUM **priv_key);
WOLFSSL_API int wolfSSL_DSA_set0_key(WOLFSSL_DSA *d, WOLFSSL_BIGNUM *pub_key,
WOLFSSL_BIGNUM *priv_key);
WOLFSSL_API int wolfSSL_DSA_LoadDer(
WOLFSSL_DSA* dsa, const unsigned char* derBuf, int derSz);
WOLFSSL_API int wolfSSL_DSA_LoadDer_ex(
WOLFSSL_DSA* dsa, const unsigned char* derBuf, int derSz, int opt);
WOLFSSL_API int wolfSSL_DSA_do_sign(
const unsigned char* d, unsigned char* sigRet, WOLFSSL_DSA* dsa);
WOLFSSL_API int wolfSSL_DSA_do_verify(
const unsigned char* d, unsigned char* sig, WOLFSSL_DSA* dsa, int *dsacheck);
WOLFSSL_API int wolfSSL_DSA_bits(const WOLFSSL_DSA *d);
WOLFSSL_API WOLFSSL_DSA_SIG* wolfSSL_DSA_SIG_new(void);
WOLFSSL_API void wolfSSL_DSA_SIG_free(WOLFSSL_DSA_SIG *sig);
WOLFSSL_API void wolfSSL_DSA_SIG_get0(const WOLFSSL_DSA_SIG *sig,
const WOLFSSL_BIGNUM **r, const WOLFSSL_BIGNUM **s);
WOLFSSL_API int wolfSSL_DSA_SIG_set0(WOLFSSL_DSA_SIG *sig, WOLFSSL_BIGNUM *r,
WOLFSSL_BIGNUM *s);
WOLFSSL_API int wolfSSL_i2d_DSA_SIG(const WOLFSSL_DSA_SIG *sig, byte **out);
WOLFSSL_API WOLFSSL_DSA_SIG* wolfSSL_d2i_DSA_SIG(WOLFSSL_DSA_SIG **sig,
const unsigned char **pp, long length);
WOLFSSL_API WOLFSSL_DSA_SIG* wolfSSL_DSA_do_sign_ex(const unsigned char* digest,
int inLen, WOLFSSL_DSA* dsa);
WOLFSSL_API int wolfSSL_DSA_do_verify_ex(const unsigned char* digest, int digest_len,
WOLFSSL_DSA_SIG* sig, WOLFSSL_DSA* dsa);
WOLFSSL_API int wolfSSL_i2d_DSAparams(
const WOLFSSL_DSA* dsa, unsigned char** out);
WOLFSSL_API WOLFSSL_DSA* wolfSSL_d2i_DSAparams(
WOLFSSL_DSA** dsa, const unsigned char** der, long derLen);
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
#define WOLFSSL_DSA_LOAD_PRIVATE 1
#define WOLFSSL_DSA_LOAD_PUBLIC 2
#ifndef OPENSSL_COEXIST
typedef WOLFSSL_DSA DSA;
#define OPENSSL_DSA_MAX_MODULUS_BITS 3072
#define DSA_new wolfSSL_DSA_new
#define DSA_free wolfSSL_DSA_free
#define DSA_print_fp wolfSSL_DSA_print_fp
#define DSA_LoadDer wolfSSL_DSA_LoadDer
#define DSA_generate_key wolfSSL_DSA_generate_key
#define DSA_generate_parameters wolfSSL_DSA_generate_parameters
#define DSA_generate_parameters_ex wolfSSL_DSA_generate_parameters_ex
#define DSA_get0_pqg wolfSSL_DSA_get0_pqg
#define DSA_set0_pqg wolfSSL_DSA_set0_pqg
#define DSA_get0_key wolfSSL_DSA_get0_key
#define DSA_set0_key wolfSSL_DSA_set0_key
#define DSA_SIG_new wolfSSL_DSA_SIG_new
#define DSA_SIG_free wolfSSL_DSA_SIG_free
#define DSA_SIG_get0 wolfSSL_DSA_SIG_get0
#define DSA_SIG_set0 wolfSSL_DSA_SIG_set0
#define i2d_DSA_SIG wolfSSL_i2d_DSA_SIG
#define d2i_DSA_SIG wolfSSL_d2i_DSA_SIG
#define DSA_do_sign wolfSSL_DSA_do_sign_ex
#define DSA_do_verify wolfSSL_DSA_do_verify_ex
#define i2d_DSAparams wolfSSL_i2d_DSAparams
#define d2i_DSAparams wolfSSL_d2i_DSAparams
#define DSA_SIG WOLFSSL_DSA_SIG
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif