bcrypt: Add a builtin sha384/sha512 implementation. (v2)

[Jacek Caban]

On 08.03.2017 12:03, Sebastian Lackner wrote:
> +void sha512_init(SHA512_CTX *ctx)
> +{
> +    ctx->len = 0;
> +    ctx->h[0] = 0x6a09e667f3bcc908;
> +    ctx->h[1] = 0xbb67ae8584caa73b;
> +    ctx->h[2] = 0x3c6ef372fe94f82b;
> +    ctx->h[3] = 0xa54ff53a5f1d36f1;
> +    ctx->h[4] = 0x510e527fade682d1;
> +    ctx->h[5] = 0x9b05688c2b3e6c1f;
> +    ctx->h[6] = 0x1f83d9abfb41bd6b;
> +    ctx->h[7] = 0x5be0cd19137e2179;


I think those are still not portable, because those constants are too
large. You may use something like ((ULONG64)0x6a09e667<<32)|0xf3bcc908.


Jacek