55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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*/
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#include "tomcrypt.h"
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/**
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@file demo_crypt_constants.c
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Demo how to get various constants to dynamic languages
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like Python
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Larry Bugbee, February 2013
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*/
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int main(void) {
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int rc;
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printf("\n");
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// given a specific constant name, get and print its value
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char name[] = "CTR_COUNTER_BIG_ENDIAN";
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int value;
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rc = crypt_get_constant(name, &value);
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printf(" %s is %d \n", name, value);
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printf("\n");
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// get and print the length of the names (and values) list
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char *names_list;
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unsigned long names_list_len;
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rc = crypt_list_all_constants(NULL, &names_list_len);
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printf(" need to allocate %lu bytes \n", names_list_len);
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printf("\n");
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// get and print the names (and values) list
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names_list = malloc(names_list_len);
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rc = crypt_list_all_constants(names_list, &names_list_len);
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printf(" supported constants: \n%s \n", names_list);
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printf("\n");
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}
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/* $Source: $ */
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/* $Revision: $ */
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/* $Date: $ */
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