Test if a first parameter is a byte array or not.

Given N number of byte arrays, concat them in one unique byte array and return it.

Is a specialized version of slice that just copy the byte array.

Test whether two sequences of characters or bytes are equal in a way that protects against timing attacks. Note that this does not prevent an attacker from discovering the length of the data being compared.

Assigns the specified byte value to each element of the specified array of bytes.

Returns a new copy of the byte array but offset and crop by start and end indices.