| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include <os/mynewt.h> |
| |
| #if MYNEWT_VAL(MBEDTLS_SHA256_ALT) |
| |
| #include "hash/hash.h" |
| #include "hash/sha256_alt.h" |
| |
| void |
| mbedtls_sha256_init(mbedtls_sha256_context *ctx) |
| { |
| memset(ctx, 0, sizeof(*ctx)); |
| ctx->hash = (struct hash_dev *) os_dev_open("hash", OS_TIMEOUT_NEVER, |
| NULL); |
| assert(ctx->hash); |
| } |
| |
| void |
| mbedtls_sha256_free(mbedtls_sha256_context *ctx) |
| { |
| os_dev_close((struct os_dev *)ctx->hash); |
| memset(ctx, 0, sizeof(*ctx)); |
| } |
| |
| void |
| mbedtls_sha256_clone(mbedtls_sha256_context *dst, |
| const mbedtls_sha256_context *src) |
| { |
| memcpy(dst, src, sizeof(*dst)); |
| } |
| |
| int |
| mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224) |
| { |
| /* SHA-224 not supported */ |
| if (is224) { |
| return -1; |
| } |
| return hash_sha256_start(&ctx->sha256ctx, ctx->hash); |
| } |
| |
| int |
| mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx, |
| const unsigned char *input, size_t ilen) |
| { |
| return hash_sha256_update(&ctx->sha256ctx, input, ilen); |
| } |
| |
| int |
| mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx, |
| unsigned char output[32]) |
| { |
| return hash_sha256_finish(&ctx->sha256ctx, output); |
| } |
| |
| /* |
| * XXX deprecated mbedTLS functions |
| */ |
| |
| void |
| mbedtls_sha256_starts(mbedtls_sha256_context *ctx, int is224) |
| { |
| /* SHA-224 not supported */ |
| if (is224) { |
| return; |
| } |
| (void)hash_sha256_start(&ctx->sha256ctx, ctx->hash); |
| } |
| |
| void |
| mbedtls_sha256_update(mbedtls_sha256_context *ctx, |
| const unsigned char *input, size_t ilen) |
| { |
| (void)hash_sha256_update(&ctx->sha256ctx, input, ilen); |
| } |
| |
| void |
| mbedtls_sha256_finish(mbedtls_sha256_context *ctx, |
| unsigned char output[32]) |
| { |
| (void)hash_sha256_finish(&ctx->sha256ctx, output); |
| } |
| |
| int |
| mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx, |
| const unsigned char data[64]) |
| { |
| /* |
| * Note: This function is only called by SHA-224 functions, only |
| * needed for building, shouldn't ever be called in practice. |
| */ |
| assert(0); |
| } |
| |
| #endif /* MYNEWT_VAL(MBEDTLS_SHA256_ALT) */ |