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225 lines
7.6 KiB
C
225 lines
7.6 KiB
C
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/* renesas-sce-crypt.h
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*
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* Copyright (C) 2006-2022 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifndef __RENESAS_SCE_CRYPT_H__
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#define __RENESAS_SCE_CRYPT_H__
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#include "r_sce.h"
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#include <libs/libwolfssl/wolfcrypt/settings.h>
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#include <libs/libwolfssl/wolfcrypt/logging.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SCE_SESSIONKEY_NONCE_SIZE 8
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#define WOLFSSL_SCE_ILLEGAL_CIPHERSUITE -1
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#define MAX_SCE_CBINDEX 5
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typedef struct tagUser_SCEPKCbInfo {
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/* unique number for each session */
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int devId;
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/* out from R_SCE_TLS_ServerKeyExchangeVerify */
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uint32_t encrypted_ephemeral_ecdh_public_key[SCE_TLS_ENCRYPTED_ECCPUBKEY_SZ];
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/* out from R_SCE_TLS_ECC_secp256r1_EphemeralWrappedKeyPairGenerate */
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sce_tls_p256_ecc_wrapped_key_t ecc_p256_wrapped_key;
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uint8_t ecc_ecdh_public_key[HW_SCE_ECC_PUBLIC_KEY_BYTE_SIZE];
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uint32_t sce_masterSecret[SCE_TLS_MASTERSECRET_SIZE/4];
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uint8_t sce_clientRandom[SCE_TLS_CLIENTRANDOM_SZ];
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uint8_t sce_serverRandom[SCE_TLS_SERVERRANDOM_SZ];
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uint8_t sce_cipher;
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/* installed key handling */
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sce_aes_wrapped_key_t sce_wrapped_key_aes256;
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uint8_t aes256_installedkey_set:1;
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sce_aes_wrapped_key_t sce_wrapped_key_aes128;
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uint8_t aes128_installedkey_set:1;
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/* flag whether encrypted ec key is set */
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uint8_t pk_key_set:1;
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uint8_t session_key_set:1;
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} User_SCEPKCbInfo;
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typedef struct tagSCE_PKCbInfo {
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User_SCEPKCbInfo *user_PKCbInfo[MAX_SCE_CBINDEX];
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uint32_t num_session;
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} SCE_PKCbInfo;
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typedef struct
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{
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uint8_t *encrypted_provisioning_key;
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uint8_t *iv;
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uint8_t *encrypted_user_tls_key;
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uint32_t encrypted_user_tls_key_type;
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sce_tls_ca_certification_public_wrapped_key_t user_rsa2048_tls_wrappedkey;
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} sce_key_data;
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struct WOLFSSL;
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struct WOLFSSL_CTX;
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struct ecc_key;
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WOLFSSL_LOCAL int wc_sce_Open();
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WOLFSSL_LOCAL void wc_sce_Close();
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WOLFSSL_LOCAL int wc_sce_hw_lock();
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WOLFSSL_LOCAL void wc_sce_hw_unlock( void );
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WOLFSSL_LOCAL int wc_sce_usable(const struct WOLFSSL *ssl,
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uint8_t session_key_generated);
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typedef struct {
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sce_aes_wrapped_key_t sce_wrapped_key;
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word32 keySize;
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byte setup;
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} SCE_AES_CTX;
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struct Aes;
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WOLFSSL_LOCAL int wc_sce_AesCbcEncrypt(struct Aes* aes, byte* out, const byte* in,
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word32 sz);
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WOLFSSL_LOCAL int wc_sce_AesCbcDecrypt(struct Aes* aes, byte* out, const byte* in,
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word32 sz);
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WOLFSSL_LOCAL int wc_sce_AesGcmEncrypt(struct Aes* aes, byte* out,
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const byte* in, word32 sz,
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byte* iv, word32 ivSz,
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byte* authTag, word32 authTagSz,
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const byte* authIn, word32 authInSz,
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void* ctx);
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WOLFSSL_LOCAL int wc_sce_AesGcmDecrypt(struct Aes* aes, byte* out,
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const byte* in, word32 sz,
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const byte* iv, word32 ivSz,
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const byte* authTag, word32 authTagSz,
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const byte* authIn, word32 authInSz,
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void* ctx);
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#if !defined(NO_SHA256) && !defined(NO_WOLFSSL_RENESAS_SCEPROTECT_HASH)
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typedef enum {
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SCE_SHA256 = 1,
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} SCE_SHA_TYPE;
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typedef struct {
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byte* msg;
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void* heap;
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word32 used;
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word32 len;
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word32 sha_type;
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#if defined(WOLF_CRYPTO_CB)
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word32 flags;
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int devId;
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#endif
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} wolfssl_SCE_Hash;
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/* RAW hash function APIs are not implemented with SCE */
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#undef WOLFSSL_NO_HASH_RAW
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#define WOLFSSL_NO_HASH_RAW
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typedef wolfssl_SCE_Hash wc_Sha256;
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#endif /* NO_SHA */
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WOLFSSL_LOCAL int wc_sce_tls_RootCertVerify(
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const uint8_t* cert, uint32_t cert_len,
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uint32_t key_n_start, uint32_t key_n_len,
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uint32_t key_e_start, uint32_t key_e_len,
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uint32_t cm_row);
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WOLFSSL_LOCAL int wc_sce_tls_CertVerify(
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const uint8_t* cert, uint32_t certSz,
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const uint8_t* signature, uint32_t sigSz,
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uint32_t key_n_start, uint32_t key_n_len,
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uint32_t key_e_start, uint32_t key_e_len,
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uint8_t* sce_encRsaKeyIdx);
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WOLFSSL_LOCAL int wc_sce_generatePremasterSecret(
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uint8_t* premaster,
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uint32_t preSz);
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WOLFSSL_LOCAL int wc_sce_generateEncryptPreMasterSecret(
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struct WOLFSSL* ssl,
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uint8_t* out,
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uint32_t* outSz);
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WOLFSSL_LOCAL int wc_sce_Sha256GenerateHmac(
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const struct WOLFSSL *ssl,
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const uint8_t* myInner,
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uint32_t innerSz,
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const uint8_t* in,
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uint32_t sz,
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uint8_t* digest);
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WOLFSSL_LOCAL int wc_sce_Sha256VerifyHmac(
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const struct WOLFSSL *ssl,
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const uint8_t* message,
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uint32_t messageSz,
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uint32_t macSz,
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uint32_t content);
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WOLFSSL_LOCAL int wc_sce_storeKeyCtx(
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struct WOLFSSL* ssl,
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User_SCEPKCbInfo* info);
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WOLFSSL_LOCAL int wc_sce_generateVerifyData(
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const uint8_t* ms, /* master secret */
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const uint8_t* side,
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const uint8_t* handshake_hash,
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uint8_t* hashes /* out */);
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WOLFSSL_LOCAL int wc_sce_generateSessionKey(
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struct WOLFSSL* ssl,
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User_SCEPKCbInfo* cbInfo,
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int devId);
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WOLFSSL_LOCAL int wc_sce_generateMasterSecret(
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uint8_t cipherSuiteFirst,
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uint8_t cipherSuite,
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const uint8_t *pr, /* pre-master */
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const uint8_t *cr, /* client random */
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const uint8_t *sr, /* server random */
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uint8_t *ms);
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WOLFSSL_LOCAL int wc_SCE_RsaVerify(struct WOLFSSL* ssl, byte* sig, uint32_t sigSz,
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uint8_t** out, const byte* key, uint32_t keySz, void* ctx);
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WOLFSSL_LOCAL int wc_SCE_EccVerify(struct WOLFSSL* ssl, const uint8_t* sig, uint32_t sigSz,
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const uint8_t* hash, uint32_t hashSz, const uint8_t* key, uint32_t keySz,
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int* result, void* ctx);
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/* Callback for EccShareSecret */
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WOLFSSL_LOCAL int SCE_EccSharedSecret(struct WOLFSSL* ssl, struct ecc_key* otherKey,
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uint8_t* pubKeyDer, unsigned int* pubKeySz,
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uint8_t* out, unsigned int* outlen, int side, void* ctx);
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/* user API */
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WOLFSSL_API void wc_sce_inform_user_keys(
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uint8_t* encrypted_provisioning_key,
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uint8_t* iv,
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uint8_t* encrypted_user_tls_key,
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uint32_t encrypted_user_tls_key_type);
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WOLFSSL_API void wc_sce_set_callbacks(struct WOLFSSL_CTX* ctx);
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WOLFSSL_API int wc_sce_set_callback_ctx(struct WOLFSSL* ssl, void* user_ctx);
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WOLFSSL_API void wc_sce_inform_cert_sign(const uint8_t *sign);
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#endif /* __RENESAS_SCE_CRYPT_H__ */
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