Function sodiumoxide::crypto::verify::verify_32

pub fn verify_32(x: &[u8; 32], y: &[u8; 32]) -> bool

verify_32() returns true if x[0], x[1], ..., x[31] are the same as y[0], y[1], ..., y[31]. Otherwise it returns false.

This function is safe to use for secrets x[0], x[1], ..., x[31], y[0], y[1], ..., y[31]. The time taken by verify_32 is independent of the contents of x[0], x[1], ..., x[31], y[0], y[1], ..., y[31]. In contrast, the standard C comparison function memcmp(x,y,32) takes time that depends on the longest matching prefix of x and y, often allowing easy timing attacks.