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Integrate NUC472 SHA accelerator
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12 files changed

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‎hal/targets/hal/TARGET_NUVOTON/TARGET_NUC472/crypto.c

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@@ -21,6 +21,7 @@
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#include "nu_bitutil.h"
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static int crypto_inited = 0;
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static int crypto_sha_hw_avail = 1;
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void crypto_init(void)
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{
@@ -40,3 +41,22 @@ void crypto_zeroize(void *v, size_t n)
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*p++ = 0;
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}
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}
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int crypto_sha_hw_acquire(void)
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{
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if (crypto_sha_hw_avail) {
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crypto_sha_hw_avail = 0;
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return 1;
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}
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else {
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return 0;
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}
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}
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void crypto_sha_hw_release(void)
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{
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if (! crypto_sha_hw_avail) {
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crypto_sha_hw_avail = 1;
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}
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}

‎hal/targets/hal/TARGET_NUVOTON/TARGET_NUC472/crypto.h

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@@ -25,6 +25,8 @@ extern "C" {
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void crypto_init(void);
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void crypto_zeroize(void *v, size_t n);
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int crypto_sha_hw_acquire(void);
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void crypto_sha_hw_release(void);
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#ifdef __cplusplus
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}

‎hal/targets/hal/TARGET_NUVOTON/TARGET_NUC472/sha1_alt.c

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/* mbed Microcontroller Library
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* Copyright (c) 2015-2016 Nuvoton
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_SHA1_C)
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#if defined(MBEDTLS_SHA1_ALT)
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#include "sha1_alt.h"
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#include "crypto.h"
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void mbedtls_sha1_init(mbedtls_sha1_context *ctx)
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{
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if (crypto_sha_hw_acquire()) {
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ctx->mbedtls_sha1_init = mbedtls_sha1_hw_init;
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ctx->mbedtls_sha1_free = mbedtls_sha1_hw_free;
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ctx->mbedtls_sha1_clone = mbedtls_sha1_hw_clone;
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ctx->mbedtls_sha1_starts = mbedtls_sha1_hw_starts;
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ctx->mbedtls_sha1_update = mbedtls_sha1_hw_update;
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ctx->mbedtls_sha1_finish = mbedtls_sha1_hw_finish;
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ctx->mbedtls_sha1_process = mbedtls_sha1_hw_process;
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}
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else {
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ctx->mbedtls_sha1_init = mbedtls_sha1_sw_init;
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ctx->mbedtls_sha1_free = mbedtls_sha1_sw_free;
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ctx->mbedtls_sha1_clone = mbedtls_sha1_sw_clone;
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ctx->mbedtls_sha1_starts = mbedtls_sha1_sw_starts;
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ctx->mbedtls_sha1_update = mbedtls_sha1_sw_update;
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ctx->mbedtls_sha1_finish = mbedtls_sha1_sw_finish;
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ctx->mbedtls_sha1_process = mbedtls_sha1_sw_process;
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}
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ctx->mbedtls_sha1_init(ctx);
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}
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void mbedtls_sha1_free(mbedtls_sha1_context *ctx)
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{
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if (ctx == NULL) {
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return;
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}
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ctx->mbedtls_sha1_free(ctx);
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if (ctx->mbedtls_sha1_init == mbedtls_sha1_hw_init) {
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crypto_sha_hw_release();
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}
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}
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void mbedtls_sha1_clone(mbedtls_sha1_context *dst,
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const mbedtls_sha1_context *src)
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{
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*dst = *src;
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}
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/*
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* SHA-1 context setup
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*/
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void mbedtls_sha1_starts(mbedtls_sha1_context *ctx)
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{
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ctx->mbedtls_sha1_starts(ctx);
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return;
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}
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/*
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* SHA-1 process buffer
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*/
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void mbedtls_sha1_update(mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen)
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{
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ctx->mbedtls_sha1_update(ctx, input, ilen);
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}
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/*
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* SHA-1 final digest
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*/
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void mbedtls_sha1_finish(mbedtls_sha1_context *ctx, unsigned char output[20])
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{
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ctx->mbedtls_sha1_finish(ctx, output);
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}
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void mbedtls_sha1_process(mbedtls_sha1_context *ctx, const unsigned char data[64])
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{
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ctx->mbedtls_sha1_process(ctx, data);
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}
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#endif /* MBEDTLS_SHA1_ALT */
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#endif /* MBEDTLS_SHA1_C */

‎hal/targets/hal/TARGET_NUVOTON/TARGET_NUC472/sha1_alt.h

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@@ -0,0 +1,115 @@
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/* mbed Microcontroller Library
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* Copyright (c) 2015-2016 Nuvoton
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBEDTLS_SHA1_ALT_H
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#define MBEDTLS_SHA1_ALT_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_SHA1_C)
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#if defined(MBEDTLS_SHA1_ALT)
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#include "sha1.h"
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#include "sha_alt_hw.h"
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#include "sha1_alt_sw.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct mbedtls_sha1_context_s;
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/**
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* \brief SHA-1 context structure
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*/
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typedef struct mbedtls_sha1_context_s
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{
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union {
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crypto_sha_context hw_ctx;
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mbedtls_sha1_sw_context sw_ctx;
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};
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void (*mbedtls_sha1_init)(struct mbedtls_sha1_context_s *ctx);
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void (*mbedtls_sha1_free)(struct mbedtls_sha1_context_s *ctx);
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void (*mbedtls_sha1_clone)(struct mbedtls_sha1_context_s *dst, const struct mbedtls_sha1_context_s *src);
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void (*mbedtls_sha1_starts)(struct mbedtls_sha1_context_s *ctx);
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void (*mbedtls_sha1_update)(struct mbedtls_sha1_context_s *ctx, const unsigned char *input, size_t ilen);
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void (*mbedtls_sha1_finish)(struct mbedtls_sha1_context_s *ctx, unsigned char output[20]);
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void (*mbedtls_sha1_process)(struct mbedtls_sha1_context_s *ctx, const unsigned char data[64]);
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}
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mbedtls_sha1_context;
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/**
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* \brief Initialize SHA-1 context
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*
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* \param ctx SHA-1 context to be initialized
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*/
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void mbedtls_sha1_init( mbedtls_sha1_context *ctx );
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/**
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* \brief Clear SHA-1 context
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*
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* \param ctx SHA-1 context to be cleared
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*/
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void mbedtls_sha1_free( mbedtls_sha1_context *ctx );
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/**
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* \brief Clone (the state of) a SHA-1 context
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*
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* \param dst The destination context
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* \param src The context to be cloned
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*/
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void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
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const mbedtls_sha1_context *src );
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/**
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* \brief SHA-1 context setup
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*
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* \param ctx context to be initialized
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*/
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void mbedtls_sha1_starts( mbedtls_sha1_context *ctx );
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/**
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* \brief SHA-1 process buffer
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*
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* \param ctx SHA-1 context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*/
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void mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen );
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/**
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* \brief SHA-1 final digest
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*
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* \param ctx SHA-1 context
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* \param output SHA-1 checksum result
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*/
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void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, unsigned char output[20] );
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/* Internal use */
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void mbedtls_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] );
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#ifdef __cplusplus
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}
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#endif
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#endif /* MBEDTLS_SHA1_ALT */
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#endif /* MBEDTLS_SHA1_C */
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#endif /* sha1_alt.h */

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