BN_is_prime_ex

Test whether p is prime using Miller-Rabin (deprecated; prefer BN_check_prime).

Synopsis

Declared in <openssl/bn.h>

[[deprecated]]
int
BN_is_prime_ex(
    BIGNUM const* p,
    int nchecks,
    BN_CTX* ctx,
    BN_GENCB* cb);

WARNING

Deprecated. Use of this entity is allowed but discouraged.

Return Value

1 if probably prime, 0 if composite, or -1 on error.

Parameters

NameDescription
pCandidate integer.
nchecksNumber of Miller-Rabin rounds, or BN_prime_checks for a default.
ctxOptional BN_CTX, or NULL to allocate internally.
cbOptional progress callback, or NULL.