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| BN_MOD_INVERSE(3ossl) | OpenSSL | BN_MOD_INVERSE(3ossl) |
NAME
BN_mod_inverse - compute inverse modulo nSYNOPSIS
#include <openssl/bn.h>
BIGNUM *BN_mod_inverse(BIGNUM *r, BIGNUM *a, const BIGNUM *n,
BN_CTX *ctx);
DESCRIPTION
BN_mod_inverse() computes the inverse of a modulo n places the result in r ("(a*r)%n==1"). If r is NULL, a new BIGNUM is created.ctx is a previously allocated BN_CTX used for temporary variables. r may be the same BIGNUM as a or n.
RETURN VALUES
BN_mod_inverse() returns the BIGNUM containing the inverse, and NULL on error. The error codes can be obtained by ERR_get_error(3).SEE ALSO
ERR_get_error(3), BN_add(3)COPYRIGHT
Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.Licensed under the Apache License 2.0 (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>.
| 2022-05-03 | 3.0.3 |
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