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/* This file is part of FQTerm project
* written by Iru Cai <mytbk920423@gmail.com>
*/
#ifndef SSH_PUBKEY_CRYPTO_H
#define SSH_PUBKEY_CRYPTO_H
#include <openssl/rsa.h>
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
!defined(LIBRESSL_VERSION_NUMBER)
# define HAVE_OPAQUE_STRUCTS 1
#endif
#ifdef __cplusplus
extern "C" {
#endif
enum pubkey_type {
SSH_RSA
};
struct ssh_pubkey_t
{
enum pubkey_type key_type; /* now only RSA is supported */
union {
RSA *ssh_rsa;
} key;
};
struct ssh_pubkey_t *ssh_pubkey_new(enum pubkey_type);
void ssh_pubkey_free(struct ssh_pubkey_t*);
int ssh_pubkey_encrypt(struct ssh_pubkey_t *k, BIGNUM *out, BIGNUM *in);
#ifdef HAVE_OPAQUE_STRUCTS
#define ssh_pubkey_setrsa(k,n,e,d) RSA_set0_key(k->key.ssh_rsa, n, e, d)
#define ssh_pubkey_getrsa(k,n,e,d) RSA_get0_key(k->key.ssh_rsa, n, e, d)
#else
int ssh_pubkey_setrsa(struct ssh_pubkey_t *k, BIGNUM *n, BIGNUM *e, BIGNUM *d);
int ssh_pubkey_getrsa(struct ssh_pubkey_t *k, const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
#endif
#ifdef __cplusplus
}
#endif
#endif
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