Some operations, such as integer multiplication and division have data dependent latency. Depends on CPU model. See for example this page: https://bearssl.org/

Some operations, such as integer multiplication and division have data dependent latency. Depends on CPU model. See for example this page: https://bearssl.org/ctmul.html https://bearssl.org/ctmul.html > could you elaborate on how it applied to symmetric encryption? Non-constant time multiplication is mostly (only?) an issue with asymmetric crypto.