+++ /dev/null
-/* crypto.c
- *
- * Copyright (C) 2006-2014 wolfSSL Inc.
- *
- * This file is part of CyaSSL.
- *
- * CyaSSL 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.
- *
- * CyaSSL 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 02110-1301, USA
- */
-
-
-/* Implements Microchip CRYPTO API layer */
-
-
-
-#include "crypto.h"
-
-#include <cyassl/ctaocrypt/settings.h>
-
-#include <cyassl/ctaocrypt/md5.h>
-#include <cyassl/ctaocrypt/sha.h>
-#include <cyassl/ctaocrypt/sha256.h>
-#include <cyassl/ctaocrypt/sha512.h>
-#include <cyassl/ctaocrypt/hmac.h>
-#include <cyassl/ctaocrypt/compress.h>
-#include <cyassl/ctaocrypt/random.h>
-#include <cyassl/ctaocrypt/des3.h>
-#include <cyassl/ctaocrypt/aes.h>
-#include <cyassl/ctaocrypt/rsa.h>
-#include <cyassl/ctaocrypt/ecc.h>
-#include <cyassl/ctaocrypt/error-crypt.h>
-
-
-/* Initialize MD5 */
-int CRYPT_MD5_Initialize(CRYPT_MD5_CTX* md5)
-{
- typedef char md5_test[sizeof(CRYPT_MD5_CTX) >= sizeof(Md5) ? 1 : -1];
- (void)sizeof(md5_test);
-
- if (md5 == NULL)
- return BAD_FUNC_ARG;
-
- InitMd5((Md5*)md5);
-
- return 0;
-}
-
-
-/* Add data to MD5 */
-int CRYPT_MD5_DataAdd(CRYPT_MD5_CTX* md5, const unsigned char* input,
- unsigned int sz)
-{
- if (md5 == NULL || input == NULL)
- return BAD_FUNC_ARG;
-
- Md5Update((Md5*)md5, input, sz);
-
- return 0;
-}
-
-
-/* Get MD5 Final into digest */
-int CRYPT_MD5_Finalize(CRYPT_MD5_CTX* md5, unsigned char* digest)
-{
- if (md5 == NULL || digest == NULL)
- return BAD_FUNC_ARG;
-
- Md5Final((Md5*)md5, digest);
-
- return 0;
-}
-
-
-/* Initialize SHA */
-int CRYPT_SHA_Initialize(CRYPT_SHA_CTX* sha)
-{
- typedef char sha_test[sizeof(CRYPT_SHA_CTX) >= sizeof(Sha) ? 1 : -1];
- (void)sizeof(sha_test);
-
- if (sha == NULL)
- return BAD_FUNC_ARG;
-
- return InitSha((Sha*)sha);
-}
-
-
-/* Add data to SHA */
-int CRYPT_SHA_DataAdd(CRYPT_SHA_CTX* sha, const unsigned char* input,
- unsigned int sz)
-{
- if (sha == NULL || input == NULL)
- return BAD_FUNC_ARG;
-
- return ShaUpdate((Sha*)sha, input, sz);
-}
-
-
-/* Get SHA Final into digest */
-int CRYPT_SHA_Finalize(CRYPT_SHA_CTX* sha, unsigned char* digest)
-{
- if (sha == NULL || digest == NULL)
- return BAD_FUNC_ARG;
-
- return ShaFinal((Sha*)sha, digest);
-}
-
-
-/* Initialize SHA-256 */
-int CRYPT_SHA256_Initialize(CRYPT_SHA256_CTX* sha256)
-{
- typedef char sha_test[sizeof(CRYPT_SHA256_CTX) >= sizeof(Sha256) ? 1 : -1];
- (void)sizeof(sha_test);
-
- if (sha256 == NULL)
- return BAD_FUNC_ARG;
-
- return InitSha256((Sha256*)sha256);
-}
-
-
-/* Add data to SHA-256 */
-int CRYPT_SHA256_DataAdd(CRYPT_SHA256_CTX* sha256, const unsigned char* input,
- unsigned int sz)
-{
- if (sha256 == NULL || input == NULL)
- return BAD_FUNC_ARG;
-
- return Sha256Update((Sha256*)sha256, input, sz);
-}
-
-
-/* Get SHA-256 Final into digest */
-int CRYPT_SHA256_Finalize(CRYPT_SHA256_CTX* sha256, unsigned char* digest)
-{
- if (sha256 == NULL || digest == NULL)
- return BAD_FUNC_ARG;
-
- return Sha256Final((Sha256*)sha256, digest);
-}
-
-
-/* Initialize SHA-384 */
-int CRYPT_SHA384_Initialize(CRYPT_SHA384_CTX* sha384)
-{
- typedef char sha_test[sizeof(CRYPT_SHA384_CTX) >= sizeof(Sha384) ? 1 : -1];
- (void)sizeof(sha_test);
-
- if (sha384 == NULL)
- return BAD_FUNC_ARG;
-
- return InitSha384((Sha384*)sha384);
-}
-
-
-/* Add data to SHA-384 */
-int CRYPT_SHA384_DataAdd(CRYPT_SHA384_CTX* sha384, const unsigned char* input,
- unsigned int sz)
-{
- if (sha384 == NULL || input == NULL)
- return BAD_FUNC_ARG;
-
- return Sha384Update((Sha384*)sha384, input, sz);
-}
-
-
-/* Get SHA-384 Final into digest */
-int CRYPT_SHA384_Finalize(CRYPT_SHA384_CTX* sha384, unsigned char* digest)
-{
- if (sha384 == NULL || digest == NULL)
- return BAD_FUNC_ARG;
-
- return Sha384Final((Sha384*)sha384, digest);
-}
-
-
-/* Initialize SHA-512 */
-int CRYPT_SHA512_Initialize(CRYPT_SHA512_CTX* sha512)
-{
- typedef char sha_test[sizeof(CRYPT_SHA512_CTX) >= sizeof(Sha512) ? 1 : -1];
- (void)sizeof(sha_test);
-
- if (sha512 == NULL)
- return BAD_FUNC_ARG;
-
- return InitSha512((Sha512*)sha512);
-}
-
-
-/* Add data to SHA-512 */
-int CRYPT_SHA512_DataAdd(CRYPT_SHA512_CTX* sha512, const unsigned char* input,
- unsigned int sz)
-{
- if (sha512 == NULL || input == NULL)
- return BAD_FUNC_ARG;
-
- return Sha512Update((Sha512*)sha512, input, sz);
-}
-
-
-/* Get SHA-512 Final into digest */
-int CRYPT_SHA512_Finalize(CRYPT_SHA512_CTX* sha512, unsigned char* digest)
-{
- if (sha512 == NULL || digest == NULL)
- return BAD_FUNC_ARG;
-
- return Sha512Final((Sha512*)sha512, digest);
-}
-
-
-/* Set HMAC key with type */
-int CRYPT_HMAC_SetKey(CRYPT_HMAC_CTX* hmac, int type, const unsigned char* key,
- unsigned int sz)
-{
- typedef char hmac_test[sizeof(CRYPT_HMAC_CTX) >= sizeof(Hmac) ? 1 : -1];
- (void)sizeof(hmac_test);
-
- if (hmac == NULL || key == NULL)
- return BAD_FUNC_ARG;
-
- if (type != CRYPT_HMAC_SHA && type != CRYPT_HMAC_SHA256 &&
- type != CRYPT_HMAC_SHA384 && type != CRYPT_HMAC_SHA512) {
- return BAD_FUNC_ARG; /* bad hmac type */
- }
-
- return HmacSetKey((Hmac*)hmac, type, key, sz);
-}
-
-
-int CRYPT_HMAC_DataAdd(CRYPT_HMAC_CTX* hmac, const unsigned char* input,
- unsigned int sz)
-{
- if (hmac == NULL || input == NULL)
- return BAD_FUNC_ARG;
-
- return HmacUpdate((Hmac*)hmac, input, sz);
-}
-
-
-/* Get HMAC Final into digest */
-int CRYPT_HMAC_Finalize(CRYPT_HMAC_CTX* hmac, unsigned char* digest)
-{
- if (hmac == NULL || digest == NULL)
- return BAD_FUNC_ARG;
-
- return HmacFinal((Hmac*)hmac, digest);
-}
-
-
-/* Huffman Compression, set flag to do static, otherwise dynamic */
-/* return compressed size, otherwise < 0 for error */
-int CRYPT_HUFFMAN_Compress(unsigned char* out, unsigned int outSz,
- const unsigned char* in, unsigned int inSz,
- unsigned int flags)
-{
- if (out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return Compress(out, outSz, in, inSz, flags);
-}
-
-
-/* Huffman DeCompression, self determines type */
-/* return decompressed size, otherwise < 0 for error */
-int CRYPT_HUFFMAN_DeCompress(unsigned char* out, unsigned int outSz,
- const unsigned char* in, unsigned int inSz)
-{
- if (out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return DeCompress(out, outSz, in, inSz);
-}
-
-
-/* RNG Initialize, < 0 on error */
-int CRYPT_RNG_Initialize(CRYPT_RNG_CTX* rng)
-{
- typedef char rng_test[sizeof(CRYPT_RNG_CTX) >= sizeof(RNG) ? 1 : -1];
- (void)sizeof(rng_test);
-
- if (rng == NULL)
- return BAD_FUNC_ARG;
-
- return InitRng((RNG*)rng);
-}
-
-
-/* RNG Get single bytes, < 0 on error */
-int CRYPT_RNG_Get(CRYPT_RNG_CTX* rng, unsigned char* b)
-{
- if (rng == NULL || b == NULL)
- return BAD_FUNC_ARG;
-
- return RNG_GenerateByte((RNG*)rng, (byte*)b);
-}
-
-
-/* RNG Block Generation of sz bytes, < 0 on error */
-int CRYPT_RNG_BlockGenerate(CRYPT_RNG_CTX* rng, unsigned char* b,
- unsigned int sz)
-{
- if (rng == NULL || b == NULL)
- return BAD_FUNC_ARG;
-
- return RNG_GenerateBlock((RNG*)rng, b, sz);
-}
-
-
-/* Triple DES Key Set, may have iv, will have direction */
-int CRYPT_TDES_KeySet(CRYPT_TDES_CTX* tdes, const unsigned char* key,
- const unsigned char* iv, int dir)
-{
- typedef char tdes_test[sizeof(CRYPT_TDES_CTX) >= sizeof(Des3) ? 1 : -1];
- (void)sizeof(tdes_test);
-
- if (tdes == NULL || key == NULL)
- return BAD_FUNC_ARG;
-
- return Des3_SetKey((Des3*)tdes, key, iv, dir);
-}
-
-
-/* Triple DES Iv Set, sometimes added later */
-int CRYPT_TDES_IvSet(CRYPT_TDES_CTX* tdes, const unsigned char* iv)
-{
- if (tdes == NULL || iv == NULL)
- return BAD_FUNC_ARG;
-
- return Des3_SetIV((Des3*)tdes, iv);
-}
-
-
-/* Triple DES CBC Encrypt */
-int CRYPT_TDES_CBC_Encrypt(CRYPT_TDES_CTX* tdes, unsigned char* out,
- const unsigned char* in, unsigned int inSz)
-{
- if (tdes == NULL || out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return Des3_CbcEncrypt((Des3*)tdes, out, in, inSz);
-}
-
-
-/* Triple DES CBC Decrypt */
-int CRYPT_TDES_CBC_Decrypt(CRYPT_TDES_CTX* tdes, unsigned char* out,
- const unsigned char* in, unsigned int inSz)
-{
- if (tdes == NULL || out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return Des3_CbcDecrypt((Des3*)tdes, out, in, inSz);
-}
-
-
-/* AES Key Set, may have iv, will have direction */
-int CRYPT_AES_KeySet(CRYPT_AES_CTX* aes, const unsigned char* key,
- unsigned int keyLen, const unsigned char* iv, int dir)
-{
- typedef char aes_test[sizeof(CRYPT_AES_CTX) >= sizeof(Aes) ? 1 : -1];
- (void)sizeof(aes_test);
-
- if (aes == NULL || key == NULL)
- return BAD_FUNC_ARG;
-
- return AesSetKey((Aes*)aes, key, keyLen, iv, dir);
-}
-
-
-/* AES Iv Set, sometimes added later */
-int CRYPT_AES_IvSet(CRYPT_AES_CTX* aes, const unsigned char* iv)
-{
- if (aes == NULL || iv == NULL)
- return BAD_FUNC_ARG;
-
- return AesSetIV((Aes*)aes, iv);
-}
-
-
-/* AES CBC Encrypt */
-int CRYPT_AES_CBC_Encrypt(CRYPT_AES_CTX* aes, unsigned char* out,
- const unsigned char* in, unsigned int inSz)
-{
- if (aes == NULL || out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return AesCbcEncrypt((Aes*)aes, out, in, inSz);
-}
-
-
-/* AES CBC Decrypt */
-int CRYPT_AES_CBC_Decrypt(CRYPT_AES_CTX* aes, unsigned char* out,
- const unsigned char* in, unsigned int inSz)
-{
- if (aes == NULL || out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return AesCbcDecrypt((Aes*)aes, out, in, inSz);
-}
-
-
-/* AES CTR Encrypt (used for decrypt too, with ENCRYPT key setup) */
-int CRYPT_AES_CTR_Encrypt(CRYPT_AES_CTX* aes, unsigned char* out,
- const unsigned char* in, unsigned int inSz)
-{
- if (aes == NULL || out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- AesCtrEncrypt((Aes*)aes, out, in, inSz);
-
- return 0;
-}
-
-
-/* AES Direct mode encrypt, one block at a time */
-int CRYPT_AES_DIRECT_Encrypt(CRYPT_AES_CTX* aes, unsigned char* out,
- const unsigned char* in)
-{
- if (aes == NULL || out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- AesEncryptDirect((Aes*)aes, out, in);
-
- return 0;
-}
-
-
-/* AES Direct mode decrypt, one block at a time */
-int CRYPT_AES_DIRECT_Decrypt(CRYPT_AES_CTX* aes, unsigned char* out,
- const unsigned char* in)
-{
- if (aes == NULL || out == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- AesDecryptDirect((Aes*)aes, out, in);
-
- return 0;
-}
-
-
-/* RSA Initialize */
-int CRYPT_RSA_Initialize(CRYPT_RSA_CTX* rsa)
-{
- if (rsa == NULL)
- return BAD_FUNC_ARG;
-
- rsa->holder = (RsaKey*)XMALLOC(sizeof(RsaKey), NULL, DYNAMIC_TYPE_RSA);
- if (rsa->holder == NULL)
- return -1;
-
- return InitRsaKey((RsaKey*)rsa->holder, NULL);
-}
-
-
-/* RSA Free resources */
-int CRYPT_RSA_Free(CRYPT_RSA_CTX* rsa)
-{
- if (rsa == NULL)
- return BAD_FUNC_ARG;
-
- FreeRsaKey((RsaKey*)rsa->holder);
- XFREE(rsa->holder, NULL, DYNAMIC_TYPE_RSA);
- rsa->holder = NULL;
-
- return 0;
-}
-
-
-/* RSA Public key decode ASN.1 */
-int CRYPT_RSA_PublicKeyDecode(CRYPT_RSA_CTX* rsa, const unsigned char* in,
- unsigned int inSz)
-{
- unsigned int idx = 0;
- (void)idx;
-
- if (rsa == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return RsaPublicKeyDecode(in, &idx, (RsaKey*)rsa->holder, inSz);
-}
-
-
-/* RSA Private key decode ASN.1 */
-int CRYPT_RSA_PrivateKeyDecode(CRYPT_RSA_CTX* rsa, const unsigned char* in,
- unsigned int inSz)
-{
- unsigned int idx = 0;
- (void)idx;
-
- if (rsa == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return RsaPrivateKeyDecode(in, &idx, (RsaKey*)rsa->holder, inSz);
-}
-
-
-/* RSA Public Encrypt */
-int CRYPT_RSA_PublicEncrypt(CRYPT_RSA_CTX* rsa, unsigned char* out,
- unsigned int outSz, const unsigned char* in,
- unsigned int inSz, CRYPT_RNG_CTX* rng)
-{
- if (rsa == NULL || in == NULL || out == NULL || rng == NULL)
- return BAD_FUNC_ARG;
-
- return RsaPublicEncrypt(in, inSz, out, outSz, (RsaKey*)rsa->holder,
- (RNG*)rng);
-}
-
-
-/* RSA Private Decrypt */
-int CRYPT_RSA_PrivateDecrypt(CRYPT_RSA_CTX* rsa, unsigned char* out,
- unsigned int outSz, const unsigned char* in,
- unsigned int inSz)
-{
- if (rsa == NULL || in == NULL || out == NULL)
- return BAD_FUNC_ARG;
-
- return RsaPrivateDecrypt(in, inSz, out, outSz, (RsaKey*)rsa->holder);
-}
-
-
-/* RSA Get Encrypt size helper */
-int CRYPT_RSA_EncryptSizeGet(CRYPT_RSA_CTX* rsa)
-{
- if (rsa == NULL)
- return BAD_FUNC_ARG;
-
- return RsaEncryptSize((RsaKey*)rsa->holder);
-}
-
-
-/* ECC init */
-int CRYPT_ECC_Initialize(CRYPT_ECC_CTX* ecc)
-{
- if (ecc == NULL)
- return BAD_FUNC_ARG;
-
- ecc->holder = (ecc_key*)XMALLOC(sizeof(ecc_key), NULL, DYNAMIC_TYPE_ECC);
- if (ecc->holder == NULL)
- return -1;
-
- ecc_init((ecc_key*)ecc->holder);
-
- return 0;
-}
-
-
-/* ECC free resources */
-int CRYPT_ECC_Free(CRYPT_ECC_CTX* ecc)
-{
- if (ecc == NULL)
- return BAD_FUNC_ARG;
-
- ecc_free((ecc_key*)ecc->holder);
- XFREE(ecc->holder, NULL, DYNAMIC_TYPE_ECC);
- ecc->holder = NULL;
-
- return 0;
-}
-
-
-/* ECC Public x963 Export */
-int CRYPT_ECC_PublicExport(CRYPT_ECC_CTX* ecc, unsigned char* out,
- unsigned int outSz, unsigned int* usedSz)
-{
- int ret;
- unsigned int inOut = outSz;
-
- if (ecc == NULL || out == NULL)
- return BAD_FUNC_ARG;
-
- ret = ecc_export_x963((ecc_key*)ecc->holder, out, &inOut);
- *usedSz = inOut;
-
- return ret;
-}
-
-
-/* ECC Public x963 Import */
-int CRYPT_ECC_PublicImport(CRYPT_ECC_CTX* ecc, const unsigned char* in,
- unsigned int inSz)
-{
- if (ecc == NULL || in == NULL)
- return BAD_FUNC_ARG;
-
- return ecc_import_x963(in, inSz, (ecc_key*)ecc->holder);
-}
-
-
-/* ECC Private x963 Import */
-int CRYPT_ECC_PrivateImport(CRYPT_ECC_CTX* ecc, const unsigned char* priv,
- unsigned int privSz, const unsigned char* pub, unsigned int pubSz)
-{
- if (ecc == NULL || priv == NULL || pub == NULL)
- return BAD_FUNC_ARG;
-
- return ecc_import_private_key(priv, privSz, pub, pubSz,
- (ecc_key*)ecc->holder);
-}
-
-
-/* ECC DHE Make key */
-int CRYPT_ECC_DHE_KeyMake(CRYPT_ECC_CTX* ecc, CRYPT_RNG_CTX* rng, int keySz)
-{
- if (ecc == NULL || rng == NULL)
- return BAD_FUNC_ARG;
-
- return ecc_make_key((RNG*)rng, keySz, (ecc_key*)ecc->holder);
-}
-
-
-/* ECC DHE Make shared secret with our private and peer public */
-int CRYPT_ECC_DHE_SharedSecretMake(CRYPT_ECC_CTX* priv, CRYPT_ECC_CTX* pub,
- unsigned char* out, unsigned int outSz, unsigned int* usedSz)
-{
- int ret;
- unsigned int inOut = outSz;
-
- if (priv == NULL || pub == NULL || out == NULL || usedSz == NULL)
- return BAD_FUNC_ARG;
-
- ret = ecc_shared_secret((ecc_key*)priv->holder, (ecc_key*)pub->holder,
- out, &inOut);
- *usedSz = inOut;
-
- return ret;
-}
-
-
-/* ECC DSA Hash Sign */
-int CRYPT_ECC_DSA_HashSign(CRYPT_ECC_CTX* ecc, CRYPT_RNG_CTX* rng,
- unsigned char* sig, unsigned int sigSz,
- unsigned int* usedSz, const unsigned char* in,
- unsigned int inSz)
-{
- int ret;
- unsigned int inOut = sigSz;
-
- if (ecc == NULL || rng == NULL || sig == NULL || usedSz == NULL ||
- in == NULL)
- return BAD_FUNC_ARG;
-
- ret = ecc_sign_hash(in, inSz, sig, &inOut, (RNG*)rng,
- (ecc_key*)ecc->holder);
- *usedSz = inOut;
-
- return ret;
-}
-
-
-/* ECC DSA Hash Verify */
-int CRYPT_ECC_DSA_HashVerify(CRYPT_ECC_CTX* ecc, const unsigned char* sig,
- unsigned int sigSz, unsigned char* hash,
- unsigned int hashSz, int* status)
-{
- if (ecc == NULL || sig == NULL || hash == NULL || status == NULL)
- return BAD_FUNC_ARG;
-
- return ecc_verify_hash(sig, sigSz, hash, hashSz, status,
- (ecc_key*)ecc->holder);
-}
-
-
-/* ECC get key size helper */
-int CRYPT_ECC_KeySizeGet(CRYPT_ECC_CTX* ecc)
-{
- if (ecc == NULL)
- return BAD_FUNC_ARG;
-
- return ecc_size((ecc_key*)ecc->holder);
-}
-
-
-/* ECC get signature size helper */
-int CRYPT_ECC_SignatureSizeGet(CRYPT_ECC_CTX* ecc)
-{
- if (ecc == NULL)
- return BAD_FUNC_ARG;
-
- return ecc_sig_size((ecc_key*)ecc->holder);
-}
-
-
-/* Save error string from err to str which needs to be >= 80 chars */
-int CRYPT_ERROR_StringGet(int err, char* str)
-{
- if (str == NULL)
- return BAD_FUNC_ARG;
-
- CTaoCryptErrorString(err, str);
-
- return 0;
-}
-
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