openssl/doc/crypto/DSA_new.pod
Ulf Möller 38e33cef15 Document DSA and SHA.
New function BN_pseudo_rand().
Use BN_prime_checks_size(BN_num_bits(w)) rounds of Miller-Rabin when
generating DSA primes (why not use BN_is_prime()?)
2000-01-27 19:31:26 +00:00

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=pod
=head1 NAME
DSA_new, DSA_free - allocate and free DSA objects
=head1 SYNOPSIS
#include <openssl/dsa.h>
DSA* DSA_new(void);
void DSA_free(DSA *dsa);
=head1 DESCRIPTION
DSA_new() allocates and initializes a B<DSA> structure.
DSA_free() frees the B<DSA> structure and its components. The values are
erased before the memory is returned to the system.
=head1 RETURN VALUES
If the allocation fails, DSA_new() returns B<NULL> and sets an error
code that can be obtained by
L<ERR_get_error(3)|ERR_get_error(3)>. Otherwise it returns a pointer
to the newly allocated structure.
DSA_free() returns no value.
=head1 SEE ALSO
L<dsa(3)|dsa(3)>, L<err(3)|err(3)>,
L<DSA_generate_parameters(3)|DSA_generate_parameters(3)>,
L<DSA_generate_key(3)|DSA_generate_key(3)>
=head1 HISTORY
DSA_new() and DSA_free() are available in all versions of SSLeay and OpenSSL.
=cut