Compute the greatest common divisor of a and b.
Declared in <openssl/bn.h>
int
BN_gcd(
BIGNUM* r,
BIGNUM const* a,
BIGNUM const* b,
BN_CTX* ctx);1 on success, or 0 on error.
| Name | Description |
|---|---|
| r | Destination for gcd(|a|, |b|). |
| a | First value. |
| b | Second value. |
| ctx | BN_CTX scratch space. |