Hi,
I am trying to create RSA public and private keys on Windows with
OpenSSL 0.9.7e. I want to save both to disk for later use, but I can't
figure out how to read them again...
I am doing the following:
############ CUT ############
<code to seed the pool>
rsa = RSA_generate_key(RSA_KEY_LENGTH, RSA_F4, NULL, (char *)stdout);
< put rsa into a buffer p>
pub_rsa = d2i_RSAPublicKey(NULL, (const unsigned char**) &p, (long)len);
len -= (p-buf);
priv_rsa = d2i_RSAPrivateKey(NULL, (const unsigned char**)&p,(long)len);
<error handling>
// save public key
BIO *pub = BIO_new_file(pubkey_file, "w");
PEM_write_bio_RSAPublicKey(pub, pub_rsa);
BIO_free(pub);
// save private key
BIO *priv = BIO_new_file(privkey_file, "w+");
PEM_write_bio_RSAPrivateKey(priv, priv_rsa, NULL, NULL, 0, NULL, NULL);
// load saved private key and write it to a new file for comparison
RSA *r_rsa;
BIO *tmp = BIO_new_file("privkey.txt", "w");
BIO_reset(priv);
PEM_read_bio_RSAPrivateKey(priv, &r_rsa, NULL, NULL);
BIO_free(priv);
PEM_write_bio_RSAPrivateKey(tmp, r_rsa, NULL, NULL, 0, NULL, NULL);
############ CUT ############
My idea was to compare the "privkey_file" with "privkey.txt" and verify
that they are identical.
I am unfortunately getting an access violation in the call to
PEM_read_bio_RSAPrivateKey() in libeay32.dll. I must be doing something
wrong...
How should I go about reading those keys from disk?
Thanks a lot in advance,
jules
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