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Diff: wolfssl/wolfcrypt/rsa.h
- Revision:
- 15:117db924cf7c
diff -r 167253f4e170 -r 117db924cf7c wolfssl/wolfcrypt/rsa.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wolfssl/wolfcrypt/rsa.h Sat Aug 18 22:20:43 2018 +0000 @@ -0,0 +1,290 @@ +/* rsa.h + * + * Copyright (C) 2006-2017 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 +*/ + + +#ifndef WOLF_CRYPT_RSA_H +#define WOLF_CRYPT_RSA_H + +#include <wolfssl/wolfcrypt/types.h> + +#ifndef NO_RSA + + +/* RSA default exponent */ +#ifndef WC_RSA_EXPONENT + #define WC_RSA_EXPONENT 65537L +#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 <wolfssl/wolfcrypt/integer.h> + #include <wolfssl/wolfcrypt/random.h> +#endif /* HAVE_FIPS && HAVE_FIPS_VERION 1 */ +#if defined(HAVE_FIPS) && \ + defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2) +#include <wolfssl/wolfcrypt/fips.h> +#endif + +/* header file needed for OAEP padding */ +#include <wolfssl/wolfcrypt/hash.h> + +#ifdef WOLFSSL_XILINX_CRYPT +#include "xsecure_rsa.h" +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +/* avoid redefinition of structs */ +#if !defined(HAVE_FIPS) || \ + (defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)) + +#ifdef WOLFSSL_ASYNC_CRYPT + #include <wolfssl/wolfcrypt/async.h> + #ifdef WOLFSSL_CERT_GEN + #include <wolfssl/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_SIZE = 512, + RSA_MAX_SIZE = 4096, + + 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 */ +struct RsaKey { + mp_int n, e, d, p, q; +#if defined(WOLFSSL_KEY_GEN) || defined(OPENSSL_EXTRA) || !defined(RSA_LOW_MEM) + mp_int dP, dQ, u; +#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_DEV + 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 + byte dataIsAlloc; +}; + +#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); +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_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 + +WOLFSSL_API int wc_RsaSetRNG(RsaKey* key, WC_RNG* rng); + +/* + 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(const byte* p, word32 pSz, + const byte* q, word32 qSz, + const byte* e, word32 eSz, + int nlen, int* isPrime); +#endif + +#endif /* HAVE_USER_RSA */ + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* NO_RSA */ +#endif /* WOLF_CRYPT_RSA_H */ + +