wolfSSL SSL/TLS library, support up to TLS1.3

Dependents:   CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more

Revision:
13:f67a6c6013ca
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/wolfcrypt/rsa.h	Tue Aug 22 10:48:22 2017 +0000
@@ -0,0 +1,212 @@
+/* rsa.h
+ *
+ * Copyright (C) 2006-2016 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
+ */
+
+
+#ifndef WOLF_CRYPT_RSA_H
+#define WOLF_CRYPT_RSA_H
+
+#include <wolfssl/wolfcrypt/types.h>
+
+#ifndef NO_RSA
+
+/* 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
+
+#ifdef HAVE_FIPS
+/* 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 */
+
+/* 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)
+
+#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 */
+struct RsaKey {
+    mp_int n, e, d, p, q, dP, dQ, u;
+    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 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);
+#ifdef WOLFSSL_XILINX_CRYPT
+WOLFSSL_LOCAL int wc_InitRsaHw(RsaKey* key);
+#endif /* WOLFSSL_XILINX_CRYPT */
+
+WOLFSSL_LOCAL 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_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_CheckPadding(const byte* in, word32 inLen, byte* sig,
+                                        word32 sigSz,
+                                        enum wc_HashType hashType);
+
+WOLFSSL_API int  wc_RsaEncryptSize(RsaKey* key);
+
+#ifndef HAVE_FIPS /* 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
+
+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);
+#endif /* HAVE_FIPS*/
+WOLFSSL_API int  wc_RsaFlattenPublicKey(RsaKey*, byte*, word32*, byte*,
+                                                                       word32*);
+
+#ifdef WOLFSSL_KEY_GEN
+    WOLFSSL_API int wc_RsaKeyToPublicDer(RsaKey*, byte* output, word32 inLen);
+    WOLFSSL_API int wc_MakeRsaKey(RsaKey* key, int size, long e, WC_RNG* rng);
+#endif
+
+#endif /* HAVE_USER_RSA */
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* NO_RSA */
+#endif /* WOLF_CRYPT_RSA_H */
+
+