BN_from_montgomery

Convert a from Montgomery representation to a normal residue modulo mont->N.

Synopsis

Declared in <openssl/bn.h>

int
BN_from_montgomery(
    BIGNUM* r,
    BIGNUM const* a,
    BN_MONT_CTX* mont,
    BN_CTX* ctx);

Return Value

1 on success, or 0 on error.

Parameters

NameDescription
rDestination for the converted value.
aValue in Montgomery form.
montMontgomery context from BN_MONT_CTX_set().
ctxBN_CTX scratch space.