pkwrite.c

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/* pkwrite.c */

#include <stdio.h>
#include <stdlib.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/pkcs12.h>

/* Simple PKCS#12 file creator */

int main(int argc, char **argv)
{
    FILE *fp;
    EVP_PKEY *pkey;
    X509 *cert;
    PKCS12 *p12;
    if (argc != 5) {
        fprintf(stderr, "Usage: pkwrite infile password name p12file\n");
        exit(1);
    }
    SSLeay_add_all_algorithms();
    ERR_load_crypto_strings();
    if (!(fp = fopen(argv[1], "r"))) {
        fprintf(stderr, "Error opening file %s\n", argv[1]);
        exit(1);
    }
    cert = PEM_read_X509(fp, NULL, NULL, NULL);
    rewind(fp);
    pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
    fclose(fp);
    p12 = PKCS12_create(argv[2], argv[3], pkey, cert, NULL, 0,0,0,0,0);
    if(!p12) {
        fprintf(stderr, "Error creating PKCS#12 structure\n");
        ERR_print_errors_fp(stderr);
        exit(1);
    }
    if (!(fp = fopen(argv[4], "wb"))) {
        fprintf(stderr, "Error opening file %s\n", argv[1]);
        ERR_print_errors_fp(stderr);
        exit(1);
    }
    i2d_PKCS12_fp(fp, p12);
    PKCS12_free(p12);
    fclose(fp);
    return 0;
}