/* rsa.h
*
* Copyright (C) 2006-2020 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
/* rsa.h for openSSL */
#ifndef WOLFSSL_RSA_H_
#define WOLFSSL_RSA_H_
#include <libs/libwolfssl/openssl/bn.h>
#include <libs/libwolfssl/openssl/err.h>
#include <libs/libwolfssl/wolfcrypt/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Padding types */
#define RSA_PKCS1_PADDING 0
#define RSA_PKCS1_OAEP_PADDING 1
#define RSA_PKCS1_PSS_PADDING 2
#define RSA_NO_PADDING 3
/* Emulate OpenSSL flags */
#define RSA_METHOD_FLAG_NO_CHECK (1 << 1)
#define RSA_FLAG_CACHE_PUBLIC (1 << 2)
#define RSA_FLAG_CACHE_PRIVATE (1 << 3)
#define RSA_FLAG_BLINDING (1 << 4)
#define RSA_FLAG_THREAD_SAFE (1 << 5)
#define RSA_FLAG_EXT_PKEY (1 << 6)
#define RSA_FLAG_NO_BLINDING (1 << 7)
#define RSA_FLAG_NO_CONSTTIME (1 << 8)
/* Salt length same as digest length */
#define RSA_PSS_SALTLEN_DIGEST -1
/* Old max salt length */
#define RSA_PSS_SALTLEN_MAX_SIGN -2
/* Max salt length */
#define RSA_PSS_SALTLEN_MAX -3
typedef struct WOLFSSL_RSA_METHOD {
int flags;
char *name;
} WOLFSSL_RSA_METHOD;
#ifndef WOLFSSL_RSA_TYPE_DEFINED /* guard on redeclaration */
#define WOLFSSL_RSA_TYPE_DEFINED
typedef struct WOLFSSL_RSA {
#ifdef WC_RSA_BLINDING
WC_RNG* rng; /* for PrivateDecrypt blinding */
#endif
WOLFSSL_BIGNUM* n;
WOLFSSL_BIGNUM* e;
WOLFSSL_BIGNUM* d;
WOLFSSL_BIGNUM* p;
WOLFSSL_BIGNUM* q;
WOLFSSL_BIGNUM* dmp1; /* dP */
WOLFSSL_BIGNUM* dmq1; /* dQ */
WOLFSSL_BIGNUM* iqmp; /* u */
void* heap;
void* internal; /* our RSA */
char inSet; /* internal set from external ? */
char exSet; /* external set from internal ? */
char ownRng; /* flag for if the rng should be free'd */
#if defined(OPENSSL_EXTRA)
WOLFSSL_RSA_METHOD* meth;
#endif
#if defined(HAVE_EX_DATA)
WOLFSSL_CRYPTO_EX_DATA ex_data; /* external data */
#endif
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL)
wolfSSL_Mutex refMutex; /* ref count mutex */
int refCount; /* reference count */
#endif
} WOLFSSL_RSA;
#endif
typedef WOLFSSL_RSA RSA;
typedef WOLFSSL_RSA_METHOD RSA_METHOD;
WOLFSSL_API WOLFSSL_RSA* wolfSSL_RSA_new(void);
WOLFSSL_API void wolfSSL_RSA_free(WOLFSSL_RSA*);
WOLFSSL_API int wolfSSL_RSA_generate_key_ex(WOLFSSL_RSA*, int bits, WOLFSSL_BIGNUM*,
void* cb);
WOLFSSL_API int wolfSSL_RSA_blinding_on(WOLFSSL_RSA*, WOLFSSL_BN_CTX*);
WOLFSSL_API int wolfSSL_RSA_public_encrypt(int len, const unsigned char* fr,
unsigned char* to, WOLFSSL_RSA*, int padding);
WOLFSSL_API int wolfSSL_RSA_private_decrypt(int len, const unsigned char* fr,
unsigned char* to, WOLFSSL_RSA*, int padding);
WOLFSSL_API int wolfSSL_RSA_private_encrypt(int len, unsigned char* in,
unsigned char* out, WOLFSSL_RSA* rsa, int padding);
WOLFSSL_API int wolfSSL_RSA_size(const WOLFSSL_RSA*);
WOLFSSL_API int wolfSSL_RSA_sign(int type, const unsigned char* m,
unsigned int mLen, unsigned char* sigRet,
unsigned int* sigLen, WOLFSSL_RSA*);
WOLFSSL_API int wolfSSL_RSA_sign_ex(int type, const unsigned char* m,
unsigned int mLen, unsigned char* sigRet,
unsigned int* sigLen, WOLFSSL_RSA*, int);
WOLFSSL_API int wolfSSL_RSA_sign_generic_padding(int type, const unsigned char* m,
unsigned int mLen, unsigned char* sigRet,
unsigned int* sigLen, WOLFSSL_RSA*, int, int);
WOLFSSL_API int wolfSSL_RSA_verify(int type, const unsigned char* m,
unsigned int mLen, const unsigned char* sig,
unsigned int sigLen, WOLFSSL_RSA*);
WOLFSSL_API int wolfSSL_RSA_verify_ex(int type, const unsigned char* m,
unsigned int mLen, const unsigned char* sig,
unsigned int sigLen, WOLFSSL_RSA* rsa,
int padding);
WOLFSSL_API int wolfSSL_RSA_public_decrypt(int flen, const unsigned char* from,
unsigned char* to, WOLFSSL_RSA*, int padding);
WOLFSSL_API int wolfSSL_RSA_GenAdd(WOLFSSL_RSA*);
WOLFSSL_API int wolfSSL_RSA_LoadDer(WOLFSSL_RSA*, const unsigned char*, int sz);
WOLFSSL_API int wolfSSL_RSA_LoadDer_ex(WOLFSSL_RSA*, const unsigned char*, int sz, int opt);
WOLFSSL_API WOLFSSL_RSA_METHOD *wolfSSL_RSA_meth_new(const char *name, int flags);
WOLFSSL_API void wolfSSL_RSA_meth_free(WOLFSSL_RSA_METHOD *meth);
WOLFSSL_API int wolfSSL_RSA_meth_set(WOLFSSL_RSA_METHOD *rsa, void* p);
WOLFSSL_API int wolfSSL_RSA_set_method(WOLFSSL_RSA *rsa, WOLFSSL_RSA_METHOD *meth);
WOLFSSL_API const WOLFSSL_RSA_METHOD* wolfSSL_RSA_get_method(const WOLFSSL_RSA *rsa);
WOLFSSL_API const WOLFSSL_RSA_METHOD* wolfSSL_RSA_get_default_method(void);
WOLFSSL_API void wolfSSL_RSA_get0_key(const WOLFSSL_RSA *r, const WOLFSSL_BIGNUM **n,
const WOLFSSL_BIGNUM **e, const WOLFSSL_BIGNUM **d);
WOLFSSL_API int wolfSSL_RSA_set0_key(WOLFSSL_RSA *r, WOLFSSL_BIGNUM *n, WOLFSSL_BIGNUM *e,
WOLFSSL_BIGNUM *d);
WOLFSSL_API int wolfSSL_RSA_flags(const WOLFSSL_RSA *r);
WOLFSSL_API void wolfSSL_RSA_set_flags(WOLFSSL_RSA *r, int flags);
WOLFSSL_API WOLFSSL_RSA* wolfSSL_RSAPublicKey_dup(WOLFSSL_RSA *rsa);
WOLFSSL_API void* wolfSSL_RSA_get_ex_data(const WOLFSSL_RSA *rsa, int idx);
WOLFSSL_API int wolfSSL_RSA_set_ex_data(WOLFSSL_RSA *rsa, int idx, void *data);
#define WOLFSSL_RSA_LOAD_PRIVATE 1
#define WOLFSSL_RSA_LOAD_PUBLIC 2
#define WOLFSSL_RSA_F4 0x10001L
#define RSA_new wolfSSL_RSA_new
#define RSA_free wolfSSL_RSA_free
#define RSA_generate_key_ex wolfSSL_RSA_generate_key_ex
#define RSA_blinding_on wolfSSL_RSA_blinding_on
#define RSA_public_encrypt wolfSSL_RSA_public_encrypt
#define RSA_private_decrypt wolfSSL_RSA_private_decrypt
#define RSA_private_encrypt wolfSSL_RSA_private_encrypt
#define RSA_size wolfSSL_RSA_size
#define RSA_sign wolfSSL_RSA_sign
#define RSA_verify wolfSSL_RSA_verify
#define RSA_public_decrypt wolfSSL_RSA_public_decrypt
#define RSA_meth_new wolfSSL_RSA_meth_new
#define RSA_meth_free wolfSSL_RSA_meth_free
#define RSA_meth_set_pub_enc wolfSSL_RSA_meth_set
#define RSA_meth_set_pub_dec wolfSSL_RSA_meth_set
#define RSA_meth_set_priv_enc wolfSSL_RSA_meth_set
#define RSA_meth_set_priv_dec wolfSSL_RSA_meth_set
#define RSA_meth_set_init wolfSSL_RSA_meth_set
#define RSA_meth_set_finish wolfSSL_RSA_meth_set
#define RSA_meth_set0_app_data wolfSSL_RSA_meth_set
#define RSA_get_default_method wolfSSL_RSA_get_default_method
#define RSA_get_method wolfSSL_RSA_get_method
#define RSA_set_method wolfSSL_RSA_set_method
#define RSA_get0_key wolfSSL_RSA_get0_key
#define RSA_set0_key wolfSSL_RSA_set0_key
#define RSA_flags wolfSSL_RSA_flags
#define RSA_set_flags wolfSSL_RSA_set_flags
#define RSAPublicKey_dup wolfSSL_RSAPublicKey_dup
#define RSA_get_ex_data wolfSSL_RSA_get_ex_data
#define RSA_set_ex_data wolfSSL_RSA_set_ex_data
#define RSA_get0_key wolfSSL_RSA_get0_key
#define RSA_F4 WOLFSSL_RSA_F4
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* header */