Generate a private random BIGNUM uniformly in [0, ]`range)` with strength bits.

Synopsis

Declared in <openssl/bn.h>

int
BN_priv_rand_range_ex(
    BIGNUM* r,
    BIGNUM const* range,
    unsigned int strength,
    BN_CTX* ctx);

Return Value

1 on success, or 0 on error.

Parameters

Name

Description

r

Destination for the random value.

range

Exclusive upper bound (must be positive).

strength

Requested security strength in bits for the DRBG draw.

ctx

BN_CTX scratch, or NULL.

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