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DSA_GENERATE_KEY(3) Library Functions Manual DSA_GENERATE_KEY(3)

DSA_generate_key
generate DSA key pair

#include <openssl/dsa.h>

int
DSA_generate_key(DSA *a);

DSA_generate_key() expects a to contain DSA parameters. It generates a new key pair and stores it in a->pub_key and a->priv_key.

DSA_generate_key() returns 1 on success or 0 otherwise. The error codes can be obtained by ERR_get_error(3).

DSA_generate_parameters(3), DSA_get0_key(3), DSA_new(3), ERR_get_error(3), RAND_bytes(3)

DSA_generate_key() first appeared in SSLeay 0.6.0 and has been available since OpenBSD 2.4.
March 27, 2018 OpenBSD-current