dropbear/ecdsa.c

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#include "includes.h"
#include "dbutil.h"
#include "crypto_desc.h"
#ifdef DROPBEAR_ECDSA
ecc_key *gen_ecdsa_priv_key(unsigned int bit_size) {
const ltc_ecc_set_type *dp = NULL; // curve domain parameters
// TODO: use raw bytes for the dp rather than the hex strings in libtomcrypt's ecc.c
switch (bit_size) {
#ifdef DROPBEAR_ECC_256
case 256:
dp = &ltc_ecc_sets[0];
break;
#endif
#ifdef DROPBEAR_ECC_384
case 384:
dp = &ltc_ecc_sets[0];
break;
#endif
#ifdef DROPBEAR_ECC_521
case 521:
dp = &ltc_ecc_sets[0];
break;
#endif
}
if (!dp) {
dropbear_exit("Key size %d isn't valid. Try "
#ifdef DROPBEAR_ECC_256
"256 "
#endif
#ifdef DROPBEAR_ECC_384
"384 "
#endif
#ifdef DROPBEAR_ECC_521
"521 "
#endif
, bit_size);
}
ecc_key *new_key = m_malloc(sizeof(*new_key));
if (ecc_make_key_ex(NULL, dropbear_ltc_prng, new_key, dp) != CRYPT_OK) {
dropbear_exit("ECC error");
}
return new_key;
}
int buf_get_ecdsa_pub_key(buffer* buf, ecc_key *key) {
}
#endif // DROPBEAR_ECDSA