diff options
Diffstat (limited to 'tpm-util/duplicate/util.c')
-rw-r--r-- | tpm-util/duplicate/util.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/tpm-util/duplicate/util.c b/tpm-util/duplicate/util.c new file mode 100644 index 0000000..6d5337f --- /dev/null +++ b/tpm-util/duplicate/util.c @@ -0,0 +1,97 @@ +/* + * Copyright 2018 Intel Corporation + * + * Licensed 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. + */ +// Author: Arun Kumar Sekar + +#include "util.h" + +TPM_RC ConcatSizedByteBuffer( TPM2B_MAX_BUFFER *result, TPM2B *addBuffer ) +{ + int i; + + if( ( result->t.size + addBuffer->size ) > MAX_DIGEST_BUFFER ) + return TSS2_SYS_RC_BAD_VALUE; + else + { + for( i = 0; i < addBuffer->size; i++ ) + result->t.buffer[i + result->t.size] = addBuffer->buffer[i]; + + result->t.size += addBuffer->size; + + return TPM_RC_SUCCESS; + } +} + +int saveDataToFile(const char *fileName, UINT8 *buf, UINT16 size) +{ + FILE *f; + UINT16 count = 1; + if( fileName == NULL || buf == NULL || size == 0 ) + return -1; + + f = fopen(fileName, "wb+"); + if( f == NULL ) { + printf("File(%s) open error.\n", fileName); + return -2; + } + + while( size > 0 && count > 0 ) { + count = fwrite(buf, 1, size, f); + size -= count; + buf += count; + } + + if( size > 0 ) { + printf("File write error\n"); + fclose(f); + return -3; + } + + fclose(f); + return 0; +} + +int loadDataFromFile(const char *fileName, UINT8 *buf, UINT16 *size) +{ + UINT16 count = 1, left; + FILE *f; + if ( size == NULL || buf == NULL || fileName == NULL ) + return -1; + + f = fopen(fileName, "rb+"); + if( f == NULL ) { + printf("File(%s) open error.\n", fileName); + return -2; + } + + left = *size; + *size = 0; + while( left > 0 && count > 0 ) { + count = fread(buf, 1, left, f); + *size += count; + left -= count; + buf += count; + } + + if( *size == 0 ) { + printf("File read error\n"); + fclose(f); + return -3; + } + fclose(f); + return 0; +} + + |