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#ifndef CIPHER_MRSA_INTERFACE_H
#define CIPHER_MRSA_INTERFACE_H
#include "cipher-mrsa.h"
typedef struct {
NN pq; /* n = p * q */
NN e; /* public exponent */
} rsa_pubkey;
typedef struct {
NN d; /* private exponent */
NN p, q;
NN dp, dq, qp;
} rsa_privkey;
/* rsa_keypair_generate
*
* generate a 512 bit rsa keypair and copy only required components into the
* appropiate structure.
*
* return 0 on success
* return != 0 on failure
*/
int
rsa_keypair_generate (rsa_pubkey *pub, rsa_privkey *priv);
/* rsa_keypair_dump
*
* output the two keys in human readable form to `fd'. when they are set to
* NULL, they are not exported.
*
* return in any case
*/
void
rsa_keypair_dump (int fd, rsa_pubkey *pub, rsa_privkey *priv);
/* rsa_keypair_import
*
* import a 512 bit rsa keypair from `fd' in human readable format to the
* `pub' and `priv' structures. each can be set to NULL to skip them.
*
* return in any case
*/
void
rsa_keypair_import (int fd, rsa_pubkey *pub, rsa_privkey *priv);
/* rsa_encrypt
*
* encrypt RSA_SIZE byte array at `data' with the public key `pub'.
*
* return in any case
*/
void
rsa_encrypt (rsa_pubkey *pub, unsigned char *data);
/* rsa_decrypt
*
* decrypt RSA_SIZE byte array at `data' with the private key `priv'.
*
* return in any case
*/
void
rsa_decrypt (rsa_privkey *priv, unsigned char *data);
#endif
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