Generate RSA keyPair OpenSSL 3.0 not working with bio object

[aniljadaun]

RSA key pair generation worked fine previously and it is still working fine with win build of OpenSSL 3.0 .
However on mac below code doesn't work

This is for saving public key and not working:

BIO* pub = BIO_new(BIO_s_mem());
i2d_PUBKEY_bio(pub, pkey);
int pub_len = BIO_pending(pub);
ACUns8 pub_key[8192];
BIO_read(pub, pub_key, pub_len);

if i don't use bio in below code i am successfully able to get public key

unsigned char* pub_key = NULL;
int pub_len = 0;
pub_len = i2d_PUBKEY(pkey, &pub_key);

Below code works fine for private key
// 3. save private key
BIO* pri = BIO_new(BIO_s_mem());
int pri_len = BIO_pending(pri);
ACUns8 pri_key[8192];
ACUns8* ptr = &pri_key[0];
pri_len = i2d_PrivateKey(pkey, NULL);
i2d_PrivateKey(pkey, &ptr);