Test whether bit n of a BIGNUM is set.

Synopsis

Declared in <openssl/bn.h>

int
BN_is_bit_set(
    BIGNUM const* a,
    int n);

Return Value

1 if the bit is set, or 0 otherwise.

Parameters

Name

Description

a

Value to test.

n

Bit index (0 is the least‐significant bit).

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