rsa.h

00001 /* rsa.h
00002  *
00003  * Copyright (C) 2006-2017 wolfSSL Inc.
00004  *
00005  * This file is part of wolfSSL.
00006  *
00007  * wolfSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * wolfSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
00020  */
00021 
00022 /* rsa.h for openSSL */
00023 
00024 
00025 #ifndef WOLFSSL_RSA_H_
00026 #define WOLFSSL_RSA_H_
00027 
00028 #include <wolfssl/openssl/bn.h>
00029 
00030 
00031 #ifdef __cplusplus
00032     extern "C" {
00033 #endif
00034 
00035 /* Padding types */
00036 #define RSA_PKCS1_PADDING      0
00037 #define RSA_PKCS1_OAEP_PADDING 1
00038 
00039 #ifndef WOLFSSL_RSA_TYPE_DEFINED /* guard on redeclaration */
00040 typedef struct WOLFSSL_RSA            WOLFSSL_RSA;
00041 #define WOLFSSL_RSA_TYPE_DEFINED
00042 #endif
00043 
00044 typedef WOLFSSL_RSA                   RSA;
00045 
00046 struct WOLFSSL_RSA {
00047 #ifdef WC_RSA_BLINDING
00048     WC_RNG* rng;              /* for PrivateDecrypt blinding */
00049 #endif
00050     WOLFSSL_BIGNUM* n;
00051     WOLFSSL_BIGNUM* e;
00052     WOLFSSL_BIGNUM* d;
00053     WOLFSSL_BIGNUM* p;
00054     WOLFSSL_BIGNUM* q;
00055     WOLFSSL_BIGNUM* dmp1;      /* dP */
00056     WOLFSSL_BIGNUM* dmq1;      /* dQ */
00057     WOLFSSL_BIGNUM* iqmp;      /* u */
00058     void*          heap;
00059     void*          internal;  /* our RSA */
00060     char           inSet;     /* internal set from external ? */
00061     char           exSet;     /* external set from internal ? */
00062     char           ownRng;    /* flag for if the rng should be free'd */
00063 };
00064 
00065 
00066 WOLFSSL_API WOLFSSL_RSA* wolfSSL_RSA_new(void);
00067 WOLFSSL_API void        wolfSSL_RSA_free(WOLFSSL_RSA*);
00068 
00069 WOLFSSL_API int wolfSSL_RSA_generate_key_ex(WOLFSSL_RSA*, int bits, WOLFSSL_BIGNUM*,
00070                                           void* cb);
00071 
00072 WOLFSSL_API int wolfSSL_RSA_blinding_on(WOLFSSL_RSA*, WOLFSSL_BN_CTX*);
00073 WOLFSSL_API int wolfSSL_RSA_public_encrypt(int len, const unsigned char* fr,
00074                                    unsigned char* to, WOLFSSL_RSA*, int padding);
00075 WOLFSSL_API int wolfSSL_RSA_private_decrypt(int len, const unsigned char* fr,
00076                                    unsigned char* to, WOLFSSL_RSA*, int padding);
00077 WOLFSSL_API int wolfSSL_RSA_private_encrypt(int len, unsigned char* in,
00078                             unsigned char* out, WOLFSSL_RSA* rsa, int padding);
00079 
00080 WOLFSSL_API int wolfSSL_RSA_size(const WOLFSSL_RSA*);
00081 WOLFSSL_API int wolfSSL_RSA_sign(int type, const unsigned char* m,
00082                                unsigned int mLen, unsigned char* sigRet,
00083                                unsigned int* sigLen, WOLFSSL_RSA*);
00084 WOLFSSL_API int wolfSSL_RSA_sign_ex(int type, const unsigned char* m,
00085                                unsigned int mLen, unsigned char* sigRet,
00086                                unsigned int* sigLen, WOLFSSL_RSA*, int);
00087 WOLFSSL_API int wolfSSL_RSA_verify(int type, const unsigned char* m,
00088                                unsigned int mLen, const unsigned char* sig,
00089                                unsigned int sigLen, WOLFSSL_RSA*);
00090 WOLFSSL_API int wolfSSL_RSA_public_decrypt(int flen, const unsigned char* from,
00091                                   unsigned char* to, WOLFSSL_RSA*, int padding);
00092 WOLFSSL_API int wolfSSL_RSA_GenAdd(WOLFSSL_RSA*);
00093 WOLFSSL_API int wolfSSL_RSA_LoadDer(WOLFSSL_RSA*, const unsigned char*, int sz);
00094 WOLFSSL_API int wolfSSL_RSA_LoadDer_ex(WOLFSSL_RSA*, const unsigned char*, int sz, int opt);
00095 
00096 #define WOLFSSL_RSA_LOAD_PRIVATE 1
00097 #define WOLFSSL_RSA_LOAD_PUBLIC  2
00098 #define WOLFSSL_RSA_F4           0x10001L
00099 
00100 #define RSA_new  wolfSSL_RSA_new
00101 #define RSA_free wolfSSL_RSA_free
00102 
00103 #define RSA_generate_key_ex wolfSSL_RSA_generate_key_ex
00104 
00105 #define RSA_blinding_on     wolfSSL_RSA_blinding_on
00106 #define RSA_public_encrypt  wolfSSL_RSA_public_encrypt
00107 #define RSA_private_decrypt wolfSSL_RSA_private_decrypt
00108 #define RSA_private_encrypt wolfSSL_RSA_private_encrypt
00109 
00110 #define RSA_size           wolfSSL_RSA_size
00111 #define RSA_sign           wolfSSL_RSA_sign
00112 #define RSA_verify          wolfSSL_RSA_verify
00113 #define RSA_public_decrypt wolfSSL_RSA_public_decrypt
00114 
00115 #define RSA_F4             WOLFSSL_RSA_F4
00116 
00117 #ifdef __cplusplus
00118     }  /* extern "C" */
00119 #endif
00120 
00121 #endif /* header */
00122