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roundFn

blake3.roundFn

inline fn roundFn(state: *[16]u32, msg: *const [16]u32, round: usize) void

File

lib/std/crypto/blake3.zig:126

Code

inline fn roundFn(state: *[16]u32, msg: *const [16]u32, round: usize) void {
    const schedule = &msg_schedule[round];

    g(state, 0, 4, 8, 12, msg[schedule[0]], msg[schedule[1]]);
    g(state, 1, 5, 9, 13, msg[schedule[2]], msg[schedule[3]]);
    g(state, 2, 6, 10, 14, msg[schedule[4]], msg[schedule[5]]);
    g(state, 3, 7, 11, 15, msg[schedule[6]], msg[schedule[7]]);

    g(state, 0, 5, 10, 15, msg[schedule[8]], msg[schedule[9]]);
    g(state, 1, 6, 11, 12, msg[schedule[10]], msg[schedule[11]]);
    g(state, 2, 7, 8, 13, msg[schedule[12]], msg[schedule[13]]);
    g(state, 3, 4, 9, 14, msg[schedule[14]], msg[schedule[15]]);
}