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usbloadergx/source/libs/libwolfssl/wolfcrypt/rsa.h
wiidev 5ee143c499 Update wolfSSL
2020-12-31 19:00:44 +00:00

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/* 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
*/
/*!
\file wolfssl/wolfcrypt/rsa.h
*/
/*
DESCRIPTION
This library provides the interface to the RSA.
RSA keys can be used to encrypt, decrypt, sign and verify data.
*/
#ifndef WOLF_CRYPT_RSA_H
#define WOLF_CRYPT_RSA_H
#include <libs/libwolfssl/wolfcrypt/types.h>
#ifndef NO_RSA
/* RSA default exponent */
#ifndef WC_RSA_EXPONENT
#define WC_RSA_EXPONENT 65537L
#endif
#if defined(WC_RSA_NONBLOCK)
/* enable support for fast math based non-blocking exptmod */
/* this splits the RSA function into many smaller operations */
#ifndef USE_FAST_MATH
#error RSA non-blocking mode only supported using fast math
#endif
#ifndef TFM_TIMING_RESISTANT
#error RSA non-blocking mode only supported with timing resistance enabled
#endif
/* RSA bounds check is not supported with RSA non-blocking mode */
#undef NO_RSA_BOUNDS_CHECK
#define NO_RSA_BOUNDS_CHECK
#endif
/* allow for user to plug in own crypto */
#if !defined(HAVE_FIPS) && (defined(HAVE_USER_RSA) || defined(HAVE_FAST_RSA))
#include "user_rsa.h"
#else
#if defined(HAVE_FIPS) && \
(!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
/* for fips @wc_fips */
#include <cyassl/ctaocrypt/rsa.h>
#if defined(CYASSL_KEY_GEN) && !defined(WOLFSSL_KEY_GEN)
#define WOLFSSL_KEY_GEN
#endif
#else
#include <libs/libwolfssl/wolfcrypt/integer.h>
#include <libs/libwolfssl/wolfcrypt/random.h>
#endif /* HAVE_FIPS && HAVE_FIPS_VERION 1 */
#if defined(HAVE_FIPS) && \
defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
#include <libs/libwolfssl/wolfcrypt/fips.h>
#endif
/* header file needed for OAEP padding */
#include <libs/libwolfssl/wolfcrypt/hash.h>
#ifdef WOLFSSL_XILINX_CRYPT
#include "xsecure_rsa.h"
#endif
#if defined(WOLFSSL_CRYPTOCELL)
#include <libs/libwolfssl/wolfcrypt/port/arm/cryptoCell.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
enum {
RSA_MIN_SIZE = 512,
RSA_MAX_SIZE = 4096,
};
/* avoid redefinition of structs */
#if !defined(HAVE_FIPS) || \
(defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
#ifdef WOLFSSL_ASYNC_CRYPT
#include <libs/libwolfssl/wolfcrypt/async.h>
#ifdef WOLFSSL_CERT_GEN
#include <libs/libwolfssl/wolfcrypt/asn.h>
#endif
#endif
enum {
RSA_PUBLIC = 0,
RSA_PRIVATE = 1,
RSA_TYPE_UNKNOWN = -1,
RSA_PUBLIC_ENCRYPT = 0,
RSA_PUBLIC_DECRYPT = 1,
RSA_PRIVATE_ENCRYPT = 2,
RSA_PRIVATE_DECRYPT = 3,
RSA_BLOCK_TYPE_1 = 1,
RSA_BLOCK_TYPE_2 = 2,
RSA_MIN_PAD_SZ = 11, /* separator + 0 + pad value + 8 pads */
RSA_PSS_PAD_SZ = 8,
RSA_PSS_SALT_MAX_SZ = 62,
#ifdef OPENSSL_EXTRA
RSA_PKCS1_PADDING_SIZE = 11,
RSA_PKCS1_OAEP_PADDING_SIZE = 42, /* (2 * hashlen(SHA-1)) + 2 */
#endif
#ifdef WC_RSA_PSS
RSA_PSS_PAD_TERM = 0xBC,
#endif
RSA_PSS_SALT_LEN_DEFAULT = -1,
#ifdef WOLFSSL_PSS_SALT_LEN_DISCOVER
RSA_PSS_SALT_LEN_DISCOVER = -2,
#endif
#ifdef WOLF_CRYPTO_CB
RSA_MAX_ID_LEN = 32,
RSA_MAX_LABEL_LEN = 32,
#endif
};
#ifdef WC_RSA_NONBLOCK
typedef struct RsaNb {
exptModNb_t exptmod; /* non-block expt_mod */
mp_int tmp;
} RsaNb;
#endif
/* RSA */
struct RsaKey {
mp_int n, e;
#ifndef WOLFSSL_RSA_PUBLIC_ONLY
mp_int d, p, q;
#if defined(WOLFSSL_KEY_GEN) || defined(OPENSSL_EXTRA) || !defined(RSA_LOW_MEM)
mp_int dP, dQ, u;
#endif
#endif
void* heap; /* for user memory overrides */
byte* data; /* temp buffer for async RSA */
int type; /* public or private */
int state;
word32 dataLen;
#ifdef WC_RSA_BLINDING
WC_RNG* rng; /* for PrivateDecrypt blinding */
#endif
#ifdef WOLF_CRYPTO_CB
int devId;
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
WC_ASYNC_DEV asyncDev;
#ifdef WOLFSSL_CERT_GEN
CertSignCtx certSignCtx; /* context info for cert sign (MakeSignature) */
#endif
#endif /* WOLFSSL_ASYNC_CRYPT */
#ifdef WOLFSSL_XILINX_CRYPT
word32 pubExp; /* to keep values in scope they are here in struct */
byte* mod;
XSecure_Rsa xRsa;
#endif
#ifdef WOLF_CRYPTO_CB
byte id[RSA_MAX_ID_LEN];
int idLen;
char label[RSA_MAX_LABEL_LEN];
int labelLen;
#endif
#if defined(WOLFSSL_ASYNC_CRYPT) || !defined(WOLFSSL_RSA_VERIFY_INLINE)
byte dataIsAlloc;
#endif
#ifdef WC_RSA_NONBLOCK
RsaNb* nb;
#endif
#ifdef WOLFSSL_AFALG_XILINX_RSA
int alFd;
int rdFd;
#endif
#if defined(WOLFSSL_CRYPTOCELL)
rsa_context_t ctx;
#endif
};
#ifndef WC_RSAKEY_TYPE_DEFINED
typedef struct RsaKey RsaKey;
#define WC_RSAKEY_TYPE_DEFINED
#endif
#endif /*HAVE_FIPS */
WOLFSSL_API int wc_InitRsaKey(RsaKey* key, void* heap);
WOLFSSL_API int wc_InitRsaKey_ex(RsaKey* key, void* heap, int devId);
WOLFSSL_API int wc_FreeRsaKey(RsaKey* key);
#ifdef WOLF_CRYPTO_CB
WOLFSSL_API int wc_InitRsaKey_Id(RsaKey* key, unsigned char* id, int len,
void* heap, int devId);
WOLFSSL_API int wc_InitRsaKey_Label(RsaKey* key, const char* label, void* heap,
int devId);
#endif
WOLFSSL_API int wc_CheckRsaKey(RsaKey* key);
#ifdef WOLFSSL_XILINX_CRYPT
WOLFSSL_LOCAL int wc_InitRsaHw(RsaKey* key);
#endif /* WOLFSSL_XILINX_CRYPT */
WOLFSSL_API int wc_RsaFunction(const byte* in, word32 inLen, byte* out,
word32* outLen, int type, RsaKey* key, WC_RNG* rng);
WOLFSSL_API int wc_RsaPublicEncrypt(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key, WC_RNG* rng);
WOLFSSL_API int wc_RsaPrivateDecryptInline(byte* in, word32 inLen, byte** out,
RsaKey* key);
WOLFSSL_API int wc_RsaPrivateDecrypt(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key);
WOLFSSL_API int wc_RsaSSL_Sign(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key, WC_RNG* rng);
WOLFSSL_API int wc_RsaPSS_Sign(const byte* in, word32 inLen, byte* out,
word32 outLen, enum wc_HashType hash, int mgf,
RsaKey* key, WC_RNG* rng);
WOLFSSL_API int wc_RsaPSS_Sign_ex(const byte* in, word32 inLen, byte* out,
word32 outLen, enum wc_HashType hash,
int mgf, int saltLen, RsaKey* key,
WC_RNG* rng);
WOLFSSL_API int wc_RsaSSL_VerifyInline(byte* in, word32 inLen, byte** out,
RsaKey* key);
WOLFSSL_API int wc_RsaSSL_Verify(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key);
WOLFSSL_API int wc_RsaSSL_Verify_ex(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key, int pad_type);
WOLFSSL_API int wc_RsaSSL_Verify_ex2(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key, int pad_type,
enum wc_HashType hash);
WOLFSSL_API int wc_RsaPSS_VerifyInline(byte* in, word32 inLen, byte** out,
enum wc_HashType hash, int mgf,
RsaKey* key);
WOLFSSL_API int wc_RsaPSS_VerifyInline_ex(byte* in, word32 inLen, byte** out,
enum wc_HashType hash, int mgf,
int saltLen, RsaKey* key);
WOLFSSL_API int wc_RsaPSS_Verify(byte* in, word32 inLen, byte* out,
word32 outLen, enum wc_HashType hash, int mgf,
RsaKey* key);
WOLFSSL_API int wc_RsaPSS_Verify_ex(byte* in, word32 inLen, byte* out,
word32 outLen, enum wc_HashType hash,
int mgf, int saltLen, RsaKey* key);
WOLFSSL_API int wc_RsaPSS_CheckPadding(const byte* in, word32 inLen, byte* sig,
word32 sigSz,
enum wc_HashType hashType);
WOLFSSL_API int wc_RsaPSS_CheckPadding_ex(const byte* in, word32 inLen,
byte* sig, word32 sigSz,
enum wc_HashType hashType,
int saltLen, int bits);
WOLFSSL_API int wc_RsaPSS_VerifyCheckInline(byte* in, word32 inLen, byte** out,
const byte* digest, word32 digentLen,
enum wc_HashType hash, int mgf,
RsaKey* key);
WOLFSSL_API int wc_RsaPSS_VerifyCheck(byte* in, word32 inLen,
byte* out, word32 outLen,
const byte* digest, word32 digestLen,
enum wc_HashType hash, int mgf,
RsaKey* key);
WOLFSSL_API int wc_RsaEncryptSize(RsaKey* key);
#if !defined(HAVE_FIPS) || \
(defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
/* to avoid asn duplicate symbols @wc_fips */
WOLFSSL_API int wc_RsaPrivateKeyDecode(const byte* input, word32* inOutIdx,
RsaKey*, word32);
WOLFSSL_API int wc_RsaPublicKeyDecode(const byte* input, word32* inOutIdx,
RsaKey*, word32);
WOLFSSL_API int wc_RsaPublicKeyDecodeRaw(const byte* n, word32 nSz,
const byte* e, word32 eSz, RsaKey* key);
#ifdef WOLFSSL_KEY_GEN
WOLFSSL_API int wc_RsaKeyToDer(RsaKey*, byte* output, word32 inLen);
#endif
#ifdef WC_RSA_BLINDING
WOLFSSL_API int wc_RsaSetRNG(RsaKey* key, WC_RNG* rng);
#endif
#ifdef WC_RSA_NONBLOCK
WOLFSSL_API int wc_RsaSetNonBlock(RsaKey* key, RsaNb* nb);
#ifdef WC_RSA_NONBLOCK_TIME
WOLFSSL_API int wc_RsaSetNonBlockTime(RsaKey* key, word32 maxBlockUs,
word32 cpuMHz);
#endif
#endif
/*
choice of padding added after fips, so not available when using fips RSA
*/
/* Mask Generation Function Identifiers */
#define WC_MGF1NONE 0
#define WC_MGF1SHA1 26
#define WC_MGF1SHA224 4
#define WC_MGF1SHA256 1
#define WC_MGF1SHA384 2
#define WC_MGF1SHA512 3
/* Padding types */
#define WC_RSA_PKCSV15_PAD 0
#define WC_RSA_OAEP_PAD 1
#define WC_RSA_PSS_PAD 2
#define WC_RSA_NO_PAD 3
WOLFSSL_API int wc_RsaPublicEncrypt_ex(const byte* in, word32 inLen, byte* out,
word32 outLen, RsaKey* key, WC_RNG* rng, int type,
enum wc_HashType hash, int mgf, byte* label, word32 lableSz);
WOLFSSL_API int wc_RsaPrivateDecrypt_ex(const byte* in, word32 inLen,
byte* out, word32 outLen, RsaKey* key, int type,
enum wc_HashType hash, int mgf, byte* label, word32 lableSz);
WOLFSSL_API int wc_RsaPrivateDecryptInline_ex(byte* in, word32 inLen,
byte** out, RsaKey* key, int type, enum wc_HashType hash,
int mgf, byte* label, word32 lableSz);
#if defined(WC_RSA_DIRECT) || defined(WC_RSA_NO_PADDING)
WOLFSSL_API int wc_RsaDirect(byte* in, word32 inLen, byte* out, word32* outSz,
RsaKey* key, int type, WC_RNG* rng);
#endif
#endif /* HAVE_FIPS */
WOLFSSL_API int wc_RsaFlattenPublicKey(RsaKey*, byte*, word32*, byte*,
word32*);
WOLFSSL_API int wc_RsaExportKey(RsaKey* key,
byte* e, word32* eSz,
byte* n, word32* nSz,
byte* d, word32* dSz,
byte* p, word32* pSz,
byte* q, word32* qSz);
WOLFSSL_API int wc_RsaKeyToPublicDer(RsaKey*, byte* output, word32 inLen);
#ifdef WOLFSSL_KEY_GEN
WOLFSSL_API int wc_MakeRsaKey(RsaKey* key, int size, long e, WC_RNG* rng);
WOLFSSL_API int wc_CheckProbablePrime_ex(const byte* p, word32 pSz,
const byte* q, word32 qSz,
const byte* e, word32 eSz,
int nlen, int* isPrime, WC_RNG* rng);
WOLFSSL_API int wc_CheckProbablePrime(const byte* p, word32 pSz,
const byte* q, word32 qSz,
const byte* e, word32 eSz,
int nlen, int* isPrime);
#endif
WOLFSSL_LOCAL int wc_RsaPad_ex(const byte* input, word32 inputLen, byte* pkcsBlock,
word32 pkcsBlockLen, byte padValue, WC_RNG* rng, int padType,
enum wc_HashType hType, int mgf, byte* optLabel, word32 labelLen,
int saltLen, int bits, void* heap);
WOLFSSL_LOCAL int wc_RsaUnPad_ex(byte* pkcsBlock, word32 pkcsBlockLen, byte** out,
byte padValue, int padType, enum wc_HashType hType,
int mgf, byte* optLabel, word32 labelLen, int saltLen,
int bits, void* heap);
WOLFSSL_LOCAL int wc_hash2mgf(enum wc_HashType hType);
#endif /* HAVE_USER_RSA */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* NO_RSA */
#endif /* WOLF_CRYPT_RSA_H */
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