Modular addition: r = (a + b) mod m with non-negative result.
Declared in <openssl/bn.h>
int
BN_mod_add(
BIGNUM* r,
BIGNUM const* a,
BIGNUM const* b,
BIGNUM const* m,
BN_CTX* ctx);
1 on success, or 0 on error.
| Name | Description |
|---|---|
| r | Destination. |
| a | First addend. |
| b | Second addend. |
| m | Modulus. |
| ctx | BN_CTX scratch space. |