Created
June 19, 2009 03:40
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#include <stdbool.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <gcrypt.h> | |
#include <glib.h> | |
#define DEFAULT_DATA "This message will be signed\n" | |
#define DEFAULT_SIG "$HPI?t(I*1vAYsl$|%21WXND=6Br*[>k(OR9B!GOwHqL0s+3Uq" | |
void __init() | |
{ | |
gcry_error_t err; | |
err = gcry_control(GCRYCTL_INIT_SECMEM, 1); | |
if (gcry_err_code(err)) | |
fprintf(stderr, "Cannot enable libgcrypt's secure memory management\n"); | |
gcry_control(GCRYCTL_ENABLE_QUICK_RANDOM, 0); | |
gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); | |
} | |
void __test_keygen() | |
{ | |
__init(); | |
gcry_error_t err; | |
gcry_sexp_t spec, key_pair, pub, priv; | |
err = gcry_sexp_build(&spec, NULL, "(genkey (ECDSA (nbits %d)))", 256); | |
if (err) { | |
fprintf(stderr, "gcry_sexp_new() failed with: %s\n", gcry_strerror(err)); | |
abort(); | |
} | |
err = gcry_pk_genkey(&key_pair, spec); | |
if (err) { | |
fprintf(stderr, "gcry_pk_genkey() failed with: %s\n", gcry_strerror(err)); | |
abort(); | |
} | |
pub = gcry_sexp_find_token(key_pair, "public-key", 0); | |
priv = gcry_sexp_find_token(key_pair, "private-key", 0); | |
gcry_sexp_release (key_pair); | |
gcry_sexp_release (spec); | |
char *pubkey, *privkey; | |
int publen, privlen; | |
gcry_mpi_aprint(GCRYMPI_FMT_HEX, &pubkey, &publen, pub); | |
fprintf(stderr, "PUB: (%d) %s %p\n", publen, pubkey, pubkey); | |
} | |
int main(int argc, char **argv) | |
{ | |
g_test_init(&argc, &argv, NULL); | |
g_test_add_func("/test/ecc_keygen", __test_keygen); | |
return g_test_run(); | |
} |
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