static int
_libssh2_wincng_load_pem(LIBSSH2_SESSION *session,
const char *filename,
const char *passphrase,
const char *headerbegin,
const char *headerend,
unsigned char **data,
unsigned int *datalen)
{
FILE *fp;
int ret;
(void)passphrase;
fp = fopen(filename, "r");
if (!fp) {
return -1;
}
ret = _libssh2_pem_parse(session, headerbegin, headerend,
fp, data, datalen);
fclose(fp);
return ret;
}
int
_libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa,
LIBSSH2_SESSION * session,
const char *filename, unsigned const char *passphrase)
{
FILE *fp;
unsigned char *data, *save_data;
unsigned int datalen;
int ret;
unsigned char *p, *q, *g, *y, *x;
unsigned int plen, qlen, glen, ylen, xlen;
fp = fopen(filename, FOPEN_READTEXT);
if(!fp) {
return -1;
}
ret = _libssh2_pem_parse(session,
"-----BEGIN DSA PRIVATE KEY-----",
"-----END DSA PRIVATE KEY-----",
passphrase,
fp, &data, &datalen);
fclose(fp);
if(ret) {
return -1;
}
save_data = data;
if(_libssh2_pem_decode_sequence(&data, &datalen)) {
ret = -1;
goto fail;
}
/* First read Version field (should be 0). */
ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen);
if(ret != 0 || (plen != 1 && *p != '\0')) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &q, &qlen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &g, &glen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &y, &ylen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &x, &xlen);
if(ret != 0) {
ret = -1;
goto fail;
}
if(datalen != 0) {
ret = -1;
goto fail;
}
if(_libssh2_dsa_new(dsa, p, plen, q, qlen, g, glen, y, ylen, x, xlen)) {
ret = -1;
goto fail;
}
ret = 0;
fail:
LIBSSH2_FREE(session, save_data);
return ret;
}
int
_libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa,
LIBSSH2_SESSION * session,
const char *filename, unsigned const char *passphrase)
{
FILE *fp;
unsigned char *data, *save_data;
unsigned int datalen;
int ret;
unsigned char *n, *e, *d, *p, *q, *e1, *e2, *coeff;
unsigned int nlen, elen, dlen, plen, qlen, e1len, e2len, coefflen;
fp = fopen(filename, FOPEN_READTEXT);
if(!fp) {
return -1;
}
ret = _libssh2_pem_parse(session,
"-----BEGIN RSA PRIVATE KEY-----",
"-----END RSA PRIVATE KEY-----",
passphrase,
fp, &data, &datalen);
fclose(fp);
if(ret) {
return -1;
}
save_data = data;
if(_libssh2_pem_decode_sequence(&data, &datalen)) {
ret = -1;
goto fail;
}
/* First read Version field (should be 0). */
ret = _libssh2_pem_decode_integer(&data, &datalen, &n, &nlen);
if(ret != 0 || (nlen != 1 && *n != '\0')) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &n, &nlen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &e, &elen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &d, &dlen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &p, &plen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &q, &qlen);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &e1, &e1len);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &e2, &e2len);
if(ret != 0) {
ret = -1;
goto fail;
}
ret = _libssh2_pem_decode_integer(&data, &datalen, &coeff, &coefflen);
if(ret != 0) {
ret = -1;
goto fail;
}
if(_libssh2_rsa_new(rsa, e, elen, n, nlen, d, dlen, p, plen,
q, qlen, e1, e1len, e2, e2len, coeff, coefflen)) {
ret = -1;
goto fail;
}
ret = 0;
fail:
LIBSSH2_FREE(session, save_data);
return ret;
}
