1 | /* rsa.h
|
---|
2 | *
|
---|
3 | * Copyright (C) 2006-2017 wolfSSL Inc.
|
---|
4 | *
|
---|
5 | * This file is part of wolfSSL.
|
---|
6 | *
|
---|
7 | * wolfSSL is free software; you can redistribute it and/or modify
|
---|
8 | * it under the terms of the GNU General Public License as published by
|
---|
9 | * the Free Software Foundation; either version 2 of the License, or
|
---|
10 | * (at your option) any later version.
|
---|
11 | *
|
---|
12 | * wolfSSL is distributed in the hope that it will be useful,
|
---|
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
15 | * GNU General Public License for more details.
|
---|
16 | *
|
---|
17 | * You should have received a copy of the GNU General Public License
|
---|
18 | * along with this program; if not, write to the Free Software
|
---|
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
---|
20 | */
|
---|
21 |
|
---|
22 |
|
---|
23 | #ifndef WOLF_CRYPT_RSA_H
|
---|
24 | #define WOLF_CRYPT_RSA_H
|
---|
25 |
|
---|
26 | #include <wolfssl/wolfcrypt/types.h>
|
---|
27 |
|
---|
28 | #ifndef NO_RSA
|
---|
29 |
|
---|
30 | /* allow for user to plug in own crypto */
|
---|
31 | #if !defined(HAVE_FIPS) && (defined(HAVE_USER_RSA) || defined(HAVE_FAST_RSA))
|
---|
32 | #include "user_rsa.h"
|
---|
33 | #else
|
---|
34 |
|
---|
35 | #ifdef HAVE_FIPS
|
---|
36 | /* for fips @wc_fips */
|
---|
37 | #include <cyassl/ctaocrypt/rsa.h>
|
---|
38 | #if defined(CYASSL_KEY_GEN) && !defined(WOLFSSL_KEY_GEN)
|
---|
39 | #define WOLFSSL_KEY_GEN
|
---|
40 | #endif
|
---|
41 | #else
|
---|
42 | #include <wolfssl/wolfcrypt/integer.h>
|
---|
43 | #include <wolfssl/wolfcrypt/random.h>
|
---|
44 | #endif /* HAVE_FIPS */
|
---|
45 |
|
---|
46 | /* header file needed for OAEP padding */
|
---|
47 | #include <wolfssl/wolfcrypt/hash.h>
|
---|
48 |
|
---|
49 | #ifdef WOLFSSL_XILINX_CRYPT
|
---|
50 | #include "xsecure_rsa.h"
|
---|
51 | #endif
|
---|
52 |
|
---|
53 | #ifdef __cplusplus
|
---|
54 | extern "C" {
|
---|
55 | #endif
|
---|
56 |
|
---|
57 | /* avoid redefinition of structs */
|
---|
58 | #if !defined(HAVE_FIPS)
|
---|
59 |
|
---|
60 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
61 | #include <wolfssl/wolfcrypt/async.h>
|
---|
62 | #ifdef WOLFSSL_CERT_GEN
|
---|
63 | #include <wolfssl/wolfcrypt/asn.h>
|
---|
64 | #endif
|
---|
65 | #endif
|
---|
66 |
|
---|
67 | enum {
|
---|
68 | RSA_PUBLIC = 0,
|
---|
69 | RSA_PRIVATE = 1,
|
---|
70 |
|
---|
71 | RSA_TYPE_UNKNOWN = -1,
|
---|
72 | RSA_PUBLIC_ENCRYPT = 0,
|
---|
73 | RSA_PUBLIC_DECRYPT = 1,
|
---|
74 | RSA_PRIVATE_ENCRYPT = 2,
|
---|
75 | RSA_PRIVATE_DECRYPT = 3,
|
---|
76 |
|
---|
77 | RSA_BLOCK_TYPE_1 = 1,
|
---|
78 | RSA_BLOCK_TYPE_2 = 2,
|
---|
79 |
|
---|
80 | RSA_MIN_SIZE = 512,
|
---|
81 | RSA_MAX_SIZE = 4096,
|
---|
82 |
|
---|
83 | RSA_MIN_PAD_SZ = 11, /* separator + 0 + pad value + 8 pads */
|
---|
84 |
|
---|
85 | RSA_PSS_PAD_SZ = 8,
|
---|
86 |
|
---|
87 | #ifdef OPENSSL_EXTRA
|
---|
88 | RSA_PKCS1_PADDING_SIZE = 11,
|
---|
89 | RSA_PKCS1_OAEP_PADDING_SIZE = 42 /* (2 * hashlen(SHA-1)) + 2 */
|
---|
90 | #endif
|
---|
91 | };
|
---|
92 |
|
---|
93 |
|
---|
94 | /* RSA */
|
---|
95 | struct RsaKey {
|
---|
96 | mp_int n, e, d, p, q, dP, dQ, u;
|
---|
97 | void* heap; /* for user memory overrides */
|
---|
98 | byte* data; /* temp buffer for async RSA */
|
---|
99 | int type; /* public or private */
|
---|
100 | int state;
|
---|
101 | word32 dataLen;
|
---|
102 | #ifdef WC_RSA_BLINDING
|
---|
103 | WC_RNG* rng; /* for PrivateDecrypt blinding */
|
---|
104 | #endif
|
---|
105 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
106 | WC_ASYNC_DEV asyncDev;
|
---|
107 | #ifdef WOLFSSL_CERT_GEN
|
---|
108 | CertSignCtx certSignCtx; /* context info for cert sign (MakeSignature) */
|
---|
109 | #endif
|
---|
110 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
111 | #ifdef WOLFSSL_XILINX_CRYPT
|
---|
112 | word32 pubExp; /* to keep values in scope they are here in struct */
|
---|
113 | byte* mod;
|
---|
114 | XSecure_Rsa xRsa;
|
---|
115 | #endif
|
---|
116 | byte dataIsAlloc;
|
---|
117 | };
|
---|
118 |
|
---|
119 | #ifndef WC_RSAKEY_TYPE_DEFINED
|
---|
120 | typedef struct RsaKey RsaKey;
|
---|
121 | #define WC_RSAKEY_TYPE_DEFINED
|
---|
122 | #endif
|
---|
123 |
|
---|
124 | #endif /*HAVE_FIPS */
|
---|
125 |
|
---|
126 | WOLFSSL_API int wc_InitRsaKey(RsaKey* key, void* heap);
|
---|
127 | WOLFSSL_API int wc_InitRsaKey_ex(RsaKey* key, void* heap, int devId);
|
---|
128 | WOLFSSL_API int wc_FreeRsaKey(RsaKey* key);
|
---|
129 | #ifdef WOLFSSL_XILINX_CRYPT
|
---|
130 | WOLFSSL_LOCAL int wc_InitRsaHw(RsaKey* key);
|
---|
131 | #endif /* WOLFSSL_XILINX_CRYPT */
|
---|
132 |
|
---|
133 | WOLFSSL_LOCAL int wc_RsaFunction(const byte* in, word32 inLen, byte* out,
|
---|
134 | word32* outLen, int type, RsaKey* key, WC_RNG* rng);
|
---|
135 |
|
---|
136 | WOLFSSL_API int wc_RsaPublicEncrypt(const byte* in, word32 inLen, byte* out,
|
---|
137 | word32 outLen, RsaKey* key, WC_RNG* rng);
|
---|
138 | WOLFSSL_API int wc_RsaPrivateDecryptInline(byte* in, word32 inLen, byte** out,
|
---|
139 | RsaKey* key);
|
---|
140 | WOLFSSL_API int wc_RsaPrivateDecrypt(const byte* in, word32 inLen, byte* out,
|
---|
141 | word32 outLen, RsaKey* key);
|
---|
142 | WOLFSSL_API int wc_RsaSSL_Sign(const byte* in, word32 inLen, byte* out,
|
---|
143 | word32 outLen, RsaKey* key, WC_RNG* rng);
|
---|
144 | WOLFSSL_API int wc_RsaPSS_Sign(const byte* in, word32 inLen, byte* out,
|
---|
145 | word32 outLen, enum wc_HashType hash, int mgf,
|
---|
146 | RsaKey* key, WC_RNG* rng);
|
---|
147 | WOLFSSL_API int wc_RsaSSL_VerifyInline(byte* in, word32 inLen, byte** out,
|
---|
148 | RsaKey* key);
|
---|
149 | WOLFSSL_API int wc_RsaSSL_Verify(const byte* in, word32 inLen, byte* out,
|
---|
150 | word32 outLen, RsaKey* key);
|
---|
151 | WOLFSSL_API int wc_RsaPSS_VerifyInline(byte* in, word32 inLen, byte** out,
|
---|
152 | enum wc_HashType hash, int mgf,
|
---|
153 | RsaKey* key);
|
---|
154 | WOLFSSL_API int wc_RsaPSS_CheckPadding(const byte* in, word32 inLen, byte* sig,
|
---|
155 | word32 sigSz,
|
---|
156 | enum wc_HashType hashType);
|
---|
157 |
|
---|
158 | WOLFSSL_API int wc_RsaEncryptSize(RsaKey* key);
|
---|
159 |
|
---|
160 | #ifndef HAVE_FIPS /* to avoid asn duplicate symbols @wc_fips */
|
---|
161 | WOLFSSL_API int wc_RsaPrivateKeyDecode(const byte* input, word32* inOutIdx,
|
---|
162 | RsaKey*, word32);
|
---|
163 | WOLFSSL_API int wc_RsaPublicKeyDecode(const byte* input, word32* inOutIdx,
|
---|
164 | RsaKey*, word32);
|
---|
165 | WOLFSSL_API int wc_RsaPublicKeyDecodeRaw(const byte* n, word32 nSz,
|
---|
166 | const byte* e, word32 eSz, RsaKey* key);
|
---|
167 | #ifdef WOLFSSL_KEY_GEN
|
---|
168 | WOLFSSL_API int wc_RsaKeyToDer(RsaKey*, byte* output, word32 inLen);
|
---|
169 | #endif
|
---|
170 |
|
---|
171 | WOLFSSL_API int wc_RsaSetRNG(RsaKey* key, WC_RNG* rng);
|
---|
172 |
|
---|
173 | /*
|
---|
174 | choice of padding added after fips, so not available when using fips RSA
|
---|
175 | */
|
---|
176 |
|
---|
177 | /* Mask Generation Function Identifiers */
|
---|
178 | #define WC_MGF1NONE 0
|
---|
179 | #define WC_MGF1SHA1 26
|
---|
180 | #define WC_MGF1SHA224 4
|
---|
181 | #define WC_MGF1SHA256 1
|
---|
182 | #define WC_MGF1SHA384 2
|
---|
183 | #define WC_MGF1SHA512 3
|
---|
184 |
|
---|
185 | /* Padding types */
|
---|
186 | #define WC_RSA_PKCSV15_PAD 0
|
---|
187 | #define WC_RSA_OAEP_PAD 1
|
---|
188 | #define WC_RSA_PSS_PAD 2
|
---|
189 |
|
---|
190 | WOLFSSL_API int wc_RsaPublicEncrypt_ex(const byte* in, word32 inLen, byte* out,
|
---|
191 | word32 outLen, RsaKey* key, WC_RNG* rng, int type,
|
---|
192 | enum wc_HashType hash, int mgf, byte* label, word32 lableSz);
|
---|
193 | WOLFSSL_API int wc_RsaPrivateDecrypt_ex(const byte* in, word32 inLen,
|
---|
194 | byte* out, word32 outLen, RsaKey* key, int type,
|
---|
195 | enum wc_HashType hash, int mgf, byte* label, word32 lableSz);
|
---|
196 | WOLFSSL_API int wc_RsaPrivateDecryptInline_ex(byte* in, word32 inLen,
|
---|
197 | byte** out, RsaKey* key, int type, enum wc_HashType hash,
|
---|
198 | int mgf, byte* label, word32 lableSz);
|
---|
199 | #endif /* HAVE_FIPS*/
|
---|
200 | WOLFSSL_API int wc_RsaFlattenPublicKey(RsaKey*, byte*, word32*, byte*,
|
---|
201 | word32*);
|
---|
202 |
|
---|
203 | #ifdef WOLFSSL_KEY_GEN
|
---|
204 | WOLFSSL_API int wc_RsaKeyToPublicDer(RsaKey*, byte* output, word32 inLen);
|
---|
205 | WOLFSSL_API int wc_MakeRsaKey(RsaKey* key, int size, long e, WC_RNG* rng);
|
---|
206 | #endif
|
---|
207 |
|
---|
208 | #endif /* HAVE_USER_RSA */
|
---|
209 |
|
---|
210 | #ifdef __cplusplus
|
---|
211 | } /* extern "C" */
|
---|
212 | #endif
|
---|
213 |
|
---|
214 | #endif /* NO_RSA */
|
---|
215 | #endif /* WOLF_CRYPT_RSA_H */
|
---|
216 |
|
---|