DSA_SIG_NEW - Online Linux Manual PageSection : 3
Updated : 2021-03-26
Source : 1.1.1k
Note : OpenSSL
NAMEDSA_SIG_get0, DSA_SIG_set0, DSA_SIG_new, DSA_SIG_free − allocate and free DSA signature objects
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);
DESCRIPTION​DSA_SIG_new() allocates an empty DSA_SIG structure. ​DSA_SIG_free() frees the 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 r and s values contained in sig. The r and s values can be set by calling DSA_SIG_set0() and passing the new values for r and 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.
RETURN VALUESIf the allocation fails, DSA_SIG_new() returns NULL and sets an error code that can be obtained by ​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.
SEE ALSO​DSA_new (3), ERR_get_error (3), ​DSA_do_sign (3)
COPYRIGHTCopyright 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 <https://www.openssl.org/source/license.html>. 0
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