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DSA_NEW(3) Library Functions Manual DSA_NEW(3)

NAME

DSA_new, DSA_freeallocate and free DSA objects

SYNOPSIS

#include <openssl/dsa.h>
DSA*
DSA_new(void);
void
DSA_free(DSA *dsa);

DESCRIPTION

The DSA functions implement the Digital Signature Algorithm.
DSA_new() allocates and initializes a DSA structure. It is equivalent to calling DSA_new_method(NULL).
DSA_free() frees the DSA structure and its components. The values are erased before the memory is returned to the system. If dsa is a NULL pointer, no action occurs.

RETURN VALUES

If the allocation fails, DSA_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.

SEE ALSO

BN_new(3), d2i_DSAPublicKey(3), DH_new(3), DSA_do_sign(3), DSA_dup_DH(3), DSA_generate_key(3), DSA_generate_parameters(3), DSA_get0_pqg(3), DSA_get_ex_new_index(3), DSA_print(3), DSA_set_method(3), DSA_SIG_new(3), DSA_sign(3), DSA_size(3), engine(3), ERR_get_error(3), EVP_PKEY_set1_DSA(3), RSA_new(3)

STANDARDS

US Federal Information Processing Standard FIPS 186 (Digital Signature Standard, DSS), ANSI X9.30

HISTORY

DSA_new() and DSA_free() are available in all versions of SSLeay and OpenSSL.
February 17, 2018 OpenBSD-current