Mercurial > dropbear
view libtomcrypt/demos/sizes.c @ 1519:2f4d52b1334e
missed regenerating
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 18 Feb 2018 23:48:24 +0800 |
parents | 6dba84798cd5 |
children | e9dba7abd939 |
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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. */ #include "tomcrypt.h" #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L #include <libgen.h> #else #define basename(x) x #endif /** @file demo_crypt_sizes.c Demo how to get various sizes to dynamic languages like Python - Larry Bugbee, February 2013 */ static void _print_line(const char* cmd, const char* desc) { printf(" %-16s - %s\n", cmd, desc); } int main(int argc, char **argv) { if (argc == 1) { /* given a specific size name, get and print its size */ char name[] = "ltc_hash_descriptor"; unsigned int size; char *sizes_list; unsigned int sizes_list_len; if (crypt_get_size(name, &size) != 0) exit(EXIT_FAILURE); printf("\n size of '%s' is %u \n\n", name, size); /* get and print the length of the names (and sizes) list */ if (crypt_list_all_sizes(NULL, &sizes_list_len) != 0) exit(EXIT_FAILURE); printf(" need to allocate %u bytes \n\n", sizes_list_len); /* get and print the names (and sizes) list */ sizes_list = malloc(sizes_list_len); if (crypt_list_all_sizes(sizes_list, &sizes_list_len) != 0) exit(EXIT_FAILURE); printf(" supported sizes:\n\n%s\n\n", sizes_list); } else if (argc == 2) { if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) { char* base = strdup(basename(argv[0])); printf("Usage: %s [-a] [-s name]\n\n", base); _print_line("<no argument>", "The old behavior of the demo"); _print_line("-a", "Only lists all sizes"); _print_line("-s name", "List a single size given as argument"); _print_line("-h", "The help you're looking at"); free(base); } else if (strcmp(argv[1], "-a") == 0) { char *sizes_list; unsigned int sizes_list_len; /* get and print the length of the names (and sizes) list */ if (crypt_list_all_sizes(NULL, &sizes_list_len) != 0) exit(EXIT_FAILURE); /* get and print the names (and sizes) list */ sizes_list = malloc(sizes_list_len); if (crypt_list_all_sizes(sizes_list, &sizes_list_len) != 0) exit(EXIT_FAILURE); printf("%s\n", sizes_list); } } else if (argc == 3) { if (strcmp(argv[1], "-s") == 0) { unsigned int size; if (crypt_get_size(argv[2], &size) != 0) exit(EXIT_FAILURE); printf("%s,%u\n", argv[2], size); } } return 0; } /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */