kopia lustrzana https://github.com/espressif/esp-idf
hwcrypto sha: Fix initialisation of SHA hardware in esp_shaX_start functions
Problem exposed by previous commit.pull/21/head
rodzic
eb47a25012
commit
46a9754b8e
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@ -86,8 +86,9 @@ void esp_sha1_clone( esp_sha_context *dst, const esp_sha_context *src )
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*/
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void esp_sha1_start( esp_sha_context *ctx )
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{
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esp_sha_acquire_hardware();
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ctx->context_type = SHA1;
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esp_sha_acquire_hardware();
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ets_sha_init(&ctx->context);
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}
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/*
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@ -143,12 +144,11 @@ void esp_sha256_clone( esp_sha_context *dst, const esp_sha_context *src )
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*/
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void esp_sha256_start( esp_sha_context *ctx, int is224 )
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{
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esp_sha_acquire_hardware();
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ets_sha_init(&ctx->context);
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if ( is224 == 0 ) {
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/* SHA-256 */
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ctx->context_type = SHA2_256;
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esp_sha_acquire_hardware();
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ets_sha_init(&ctx->context);
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} else {
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/* SHA-224 is not supported! */
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ctx->context_type = SHA_INVALID;
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@ -160,7 +160,10 @@ void esp_sha256_start( esp_sha_context *ctx, int is224 )
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*/
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void esp_sha256_update( esp_sha_context *ctx, const unsigned char *input, size_t ilen )
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{
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esp_sha_update(ctx, input, ilen, 64);
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if( ctx->context_type == SHA2_256 ) {
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esp_sha_update(ctx, input, ilen, 64);
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}
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/* SHA-224 is a no-op */
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}
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/*
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@ -170,12 +173,12 @@ void esp_sha256_finish( esp_sha_context *ctx, unsigned char output[32] )
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{
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if ( ctx->context_type == SHA2_256 ) {
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ets_sha_finish(&ctx->context, ctx->context_type, output);
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esp_sha_release_hardware();
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} else {
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/* No hardware SHA-224 support, but mbedTLS API doesn't allow failure.
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For now, zero the output to make it clear it's not valid. */
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bzero( output, 28 );
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}
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esp_sha_release_hardware();
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}
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/*
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@ -218,9 +221,6 @@ void esp_sha512_clone( esp_sha_context *dst, const esp_sha_context *src )
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*/
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void esp_sha512_start( esp_sha_context *ctx, int is384 )
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{
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esp_sha_acquire_hardware();
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ets_sha_init(&ctx->context);
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if ( is384 == 0 ) {
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/* SHA-512 */
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ctx->context_type = SHA2_512;
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@ -228,6 +228,8 @@ void esp_sha512_start( esp_sha_context *ctx, int is384 )
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/* SHA-384 */
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ctx->context_type = SHA2_384;
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}
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esp_sha_acquire_hardware();
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ets_sha_init(&ctx->context);
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}
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/*
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