/*
rsa.c -- RSA key handling
- Copyright (C) 2007 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 2007-2012 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
bool rsa_set_hex_public_key(rsa_t *rsa, char *n, char *e) {
*rsa = RSA_new();
- BN_hex2bn(&(*rsa)->n, n);
- BN_hex2bn(&(*rsa)->e, e);
+ if(BN_hex2bn(&(*rsa)->n, n) != strlen(n))
+ return false;
+ if(BN_hex2bn(&(*rsa)->e, e) != strlen(e))
+ return false;
return true;
}
bool rsa_set_hex_private_key(rsa_t *rsa, char *n, char *e, char *d) {
*rsa = RSA_new();
- BN_hex2bn(&(*rsa)->n, n);
- BN_hex2bn(&(*rsa)->e, e);
- BN_hex2bn(&(*rsa)->d, d);
+ if(BN_hex2bn(&(*rsa)->n, n) != strlen(n))
+ return false;
+ if(BN_hex2bn(&(*rsa)->e, e) != strlen(e))
+ return false;
+ if(BN_hex2bn(&(*rsa)->d, d) != strlen(d))
+ return false;
return true;
}
if(*rsa)
return true;
-
+
*rsa = PEM_read_RSA_PUBKEY(fp, rsa, NULL, NULL);
if(*rsa)
return true;
- logger(LOG_ERR, "Unable to read RSA public key: %s", ERR_error_string(ERR_get_error(), NULL));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unable to read RSA public key: %s", ERR_error_string(ERR_get_error(), NULL));
return false;
}
if(*rsa)
return true;
-
- logger(LOG_ERR, "Unable to read RSA private key: %s", ERR_error_string(ERR_get_error(), NULL));
+
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unable to read RSA private key: %s", ERR_error_string(ERR_get_error(), NULL));
return false;
}
if(RSA_public_encrypt(len, in, out, *rsa, RSA_NO_PADDING) == len)
return true;
- logger(LOG_ERR, "Unable to perform RSA encryption: %s", ERR_error_string(ERR_get_error(), NULL));
- return false;
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unable to perform RSA encryption: %s", ERR_error_string(ERR_get_error(), NULL));
+ return false;
}
bool rsa_private_decrypt(rsa_t *rsa, void *in, size_t len, void *out) {
if(RSA_private_decrypt(len, in, out, *rsa, RSA_NO_PADDING) == len)
return true;
- logger(LOG_ERR, "Unable to perform RSA decryption: %s", ERR_error_string(ERR_get_error(), NULL));
- return false;
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unable to perform RSA decryption: %s", ERR_error_string(ERR_get_error(), NULL));
+ return false;
}
bool rsa_active(rsa_t *rsa) {