?? hash_file.c
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org */#include "mycrypt.h"int hash_file(int hash, const char *fname, unsigned char *dst, unsigned long *outlen){#ifdef NO_FILE return CRYPT_NOP;#else FILE *in; int err; _ARGCHK(fname != NULL); _ARGCHK(dst != NULL); _ARGCHK(outlen != NULL); if ((err = hash_is_valid(hash)) != CRYPT_OK) { return err; } in = fopen(fname, "rb"); if (in == NULL) { return CRYPT_FILE_NOTFOUND; } err = hash_filehandle(hash, in, dst, outlen); if (fclose(in) != 0) { return CRYPT_ERROR; } return err;#endif}
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