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DSA_SIG_new.pod
=pod =head1 NAME DSA_SIG_get0, DSA_SIG_set0, DSA_SIG_new, DSA_SIG_free - allocate and free DSA signature objects =head1 SYNOPSIS #include <openssl/dsa.h> DSA_SIG *DSA_SIG_new(void); void DSA_SIG_free(DSA_SIG *a); void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps); int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s); =head1 DESCRIPTION DSA_SIG_new() allocates an empty B<DSA_SIG> structure. DSA_SIG_free() frees the B<DSA_SIG> structure and its components. The values are erased before the memory is returned to the system. DSA_SIG_get0() returns internal pointers to the B<r> and B<s> values contained in B<sig>. The B<r> and B<s> values can be set by calling DSA_SIG_set0() and passing the new values for B<r> and B<s> as parameters to the function. Calling this function transfers the memory management of the values to the DSA_SIG object, and therefore the values that have been passed in should not be freed directly after this function has been called. =head1 RETURN VALUES If the allocation fails, DSA_SIG_new() returns B<NULL> and sets an error code that can be obtained by L<ERR_get_error(3)>. Otherwise it returns a pointer to the newly allocated structure. DSA_SIG_free() returns no value. DSA_SIG_set0() returns 1 on success or 0 on failure. =head1 SEE ALSO L<DSA_new(3)>, L<ERR_get_error(3)>, L<DSA_do_sign(3)> =head1 COPYRIGHT Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at L<https://www.openssl.org/source/license.html>. =cut