fn final(self: *Self, b: []const u8) T self: *Selfb: []const u889
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124 fn final(self: *Self, b: []const u8) T {
std.debug.assert(b.len < 8);
self.msg_len +%= @as(u8, @truncate(b.len));
var buf: [8]u8 = @splat(0);
@memcpy(buf[0..b.len], b);
buf[7] = self.msg_len;
self.round(buf);
if (T == u128) {
self.v2 ^= 0xee;
} else {
self.v2 ^= 0xff;
}
comptime var i: usize = 0;
inline while (i < d_rounds) : (i += 1) {
@call(.always_inline, sipRound, .{self});
}
const b1 = self.v0 ^ self.v1 ^ self.v2 ^ self.v3;
if (T == u64) {
return b1;
}
self.v1 ^= 0xdd;
comptime var j: usize = 0;
inline while (j < d_rounds) : (j += 1) {
@call(.always_inline, sipRound, .{self});
}
const b2 = self.v0 ^ self.v1 ^ self.v2 ^ self.v3;
return (@as(u128, b2) << 64) | b1;
}