[Cryptography] [Crypto-practicum] Secure erasure in C.

[Ray Dillinger]

On 09/07/2016 04:23 PM, Ron Garret wrote:
> 

> But why not simply:
> 
> void erase(volatile char *buf, size_t len) {
....

everything that starts with this line doesn't work, because
passing a (non-volatile) 'char *' to a 'volatile char *' is
an error.  Something can't be made volatile by a cast; it
can only be done when declaring the variable (or buffer).

				Bear

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