Change Details

``` Nothing is wrong with the current implementation. But it looks out of place because we generally prefer bit operations because they're faster and are more likely constant-time. ``` Backport of secp256k1#882

``` Nothing is wrong with the current implementation. But it looks out of place because we generally prefer bit operations because they're faster and are more likely constant-time. ``` Backport of [[https://github.com/bitcoin-core/secp256k1/pull/882 | secp256k1#882]]

``` Nothing is wrong with the current implementation. But it looks out of place because we generally prefer bit operations because they're faster and are more likely constant-time. ``` Backport of [[https://github.com/bitcoin-core/secp256k1/pull/882 | secp256k1#882]]