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BN_new(3) OpenSSL BN_new(3)
NAME
BN_new, BN_init, BN_clear, BN_free, BN_clear_free - allo-
cate and free BIGNUMs
SYNOPSIS
#include
BIGNUM *BN_new(void);
void BN_init(BIGNUM *);
void BN_clear(BIGNUM *a);
void BN_free(BIGNUM *a);
void BN_clear_free(BIGNUM *a);
DESCRIPTION
BN_new() allocated and initializes a BIGNUM structure.
BN_init() initializes an existing uninitialized BIGNUM.
BN_clear() is used to destroy sensitive data such as keys
when they are no longer needed. It erases the memory used
by a and sets it to the value 0.
BN_free() frees the components of the BIGNUM, and if it
was created by BN_new(), also the structure itself.
BN_clear_free() additionally overwrites the data before
the memory is returned to the system.
RETURN VALUES
BN_new() returns a pointer to the BIGNUM. If the alloca-
tion fails, it returns NULL and sets an error code that
can be obtained by ERR_get_error(3).
BN_init(), BN_clear(), BN_free() and BN_clear_free() have
no return values.
SEE ALSO
bn(3), ERR_get_error(3)
HISTORY
BN_new(), BN_clear(), BN_free() and BN_clear_free() are
available in all versions on SSLeay and OpenSSL.
BN_init() was added in SSLeay 0.9.1b.
0.9.7c 2002-09-25 BN_new(3)
Time taken: 0.10504 seconds
Created with the man page lookup class by Andrew Collington,
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