1f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* LibTomCrypt, modular cryptographic library -- Tom St Denis 2f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 3f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * LibTomCrypt is a library that provides various cryptographic 4f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * algorithms in a highly modular and flexible manner. 5f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 6f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The library is free for all purposes without any express 7f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * guarantee it works. 8f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 9f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com 10f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project */ 11f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include "tomcrypt.h" 12f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 13f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/** 14f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @file hash_file.c 15f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project Hash a file, Tom St Denis 16f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project*/ 17f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 18f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/** 19f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param hash The index of the hash desired 20f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param fname The name of the file you wish to hash 21f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param out [out] The destination of the digest 22f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @param outlen [in/out] The max size and resulting size of the message digest 23f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project @result CRYPT_OK if successful 24f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project*/ 25f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectint hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen) 26f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project{ 27f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#ifdef LTC_NO_FILE 28f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return CRYPT_NOP; 29f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#else 30f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project FILE *in; 31f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project int err; 32f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project LTC_ARGCHK(fname != NULL); 33f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project LTC_ARGCHK(out != NULL); 34f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project LTC_ARGCHK(outlen != NULL); 35f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 36f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project if ((err = hash_is_valid(hash)) != CRYPT_OK) { 37f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return err; 38f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 39f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 40f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project in = fopen(fname, "rb"); 41f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project if (in == NULL) { 42f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return CRYPT_FILE_NOTFOUND; 43f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 44f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 45f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project err = hash_filehandle(hash, in, out, outlen); 46f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project if (fclose(in) != 0) { 47f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return CRYPT_ERROR; 48f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project } 49f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 50f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project return err; 51f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#endif 52f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project} 53f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 54f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 55f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Source: /cvs/libtom/libtomcrypt/src/hashes/helper/hash_file.c,v $ */ 56f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Revision: 1.4 $ */ 57f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* $Date: 2006/03/31 14:15:35 $ */ 58