algorithm names which contains letters which are not legal perl
identifiers, e.g. "SHA-1".
-If new() is called as a instance method (i.e. $ctx->new) it will just
+If new() is called as an instance method (i.e. $ctx->new) it will just
reset the state the object to the state of a newly created object. No
new object is created in this case, and the return value is the
reference to the object (i.e. $ctx).