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- /**
- * orkeygen.c
- * Key generation utility.
- *
- * Matej Pfajfar <mp292@cam.ac.uk>
- */
- /*
- * Changes :
- * $Log$
- * Revision 1.1 2002/06/26 22:45:50 arma
- * Initial revision
- *
- * Revision 1.1 2002/01/04 07:19:27 badbytes
- * Key generation utility.
- *
- *
- */
- #include <stdlib.h>
- #include <stdio.h>
- #include <openssl/rsa.h>
- #include <openssl/err.h>
- #include <openssl/pem.h>
- int main(int argc, char *argv[])
- {
- char *file_pr = argv[1];
- char *file_pu = argv[2];
-
- FILE *f_pr = NULL;
- FILE *f_pu = NULL;
-
- RSA *rsa_key = NULL;
-
- int retval = 0;
-
-
- if (argc < 3)
- {
- printf("Need two files, for private and public key in that order.\n");
- exit(1);
- }
-
- /* generate the key */
- rsa_key = RSA_generate_key(1024,65535,NULL,NULL);
- if (!rsa_key) /* error has occured */
- {
- printf("%s",ERR_reason_error_string(ERR_get_error()));
- exit(1);
- }
- else /* keys generated */
- {
- retval = RSA_check_key(rsa_key);
- if (retval == 1)
- {
- printf("Generated key seems to be valid.\n");
- /* open the output files */
- f_pr = fopen(file_pr,"w");
- if (!f_pr)
- {
- perror("fopen");
- RSA_free(rsa_key);
- exit(1);
- }
-
- f_pu = fopen(file_pu,"w");
- if (!f_pu)
- {
- perror("fopen");
- RSA_free(rsa_key);
- exit(1);
- }
-
- /* write the private key */
- retval = PEM_write_RSAPrivateKey(f_pr,rsa_key,NULL,NULL,0,0,NULL);
- if (retval == 0)
- {
- printf("%s",ERR_reason_error_string(ERR_get_error()));
- fclose(f_pr);
- fclose(f_pu);
- RSA_free(rsa_key);
- exit(1);
- }
-
- /* write the public key */
- retval = PEM_write_RSAPublicKey(f_pu,rsa_key);
- if (retval == 0)
- {
- printf("%s",ERR_reason_error_string(ERR_get_error()));
- fclose(f_pr);
- fclose(f_pu);
- RSA_free(rsa_key);
- exit(1);
- }
-
- printf("Keys written to files %s (public) and %s (private).\n",file_pu,file_pr);
- }
- else if (retval == 0)
- {
- printf("Generated key seems to be invalid. Exiting.\n");
- RSA_free(rsa_key);
- exit(1);
- }
- else if (retval == -1)
- {
- printf("%s",ERR_reason_error_string(ERR_get_error()));
- RSA_free(rsa_key);
- exit(1);
- }
- }
-
- RSA_free(rsa_key);
- fclose(f_pu);
- fclose(f_pr);
- exit(0);
-
- }
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