Compute r = (a ^ b) mod p for binary polynomial-field (GF(2^m)) values.
Declared in <openssl/bn.h>
int
BN_GF2m_mod_exp(
BIGNUM* r,
BIGNUM const* a,
BIGNUM const* b,
BIGNUM const* p,
BN_CTX* ctx);
1 on success, or 0 on error.
| Name | Description |
|---|---|
| r | Result BIGNUM. |
| a | Base. |
| b | Exponent. |
| p | Irreducible field polynomial. |
| ctx | BN_CTX scratch space. |