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std/crypto: zig fmt
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Marc Tiehuis
parent
38399941d4
commit
763845f95c
@ -32,24 +32,28 @@ fn salsa20_wordtobyte(out: []u8, input: [16]u32) void {
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x[i] = input[i];
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const rounds = comptime []QuarterRound{
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Rp( 0, 4, 8,12),
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Rp( 1, 5, 9,13),
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Rp( 2, 6,10,14),
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Rp( 3, 7,11,15),
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Rp( 0, 5,10,15),
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Rp( 1, 6,11,12),
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Rp( 2, 7, 8,13),
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Rp( 3, 4, 9,14),
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Rp(0, 4, 8, 12),
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Rp(1, 5, 9, 13),
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Rp(2, 6, 10, 14),
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Rp(3, 7, 11, 15),
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Rp(0, 5, 10, 15),
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Rp(1, 6, 11, 12),
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Rp(2, 7, 8, 13),
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Rp(3, 4, 9, 14),
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};
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comptime var j: usize = 0;
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inline while (j < 20) : (j += 2) {
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// two-round cycles
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inline for (rounds) |r| {
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x[r.a] +%= x[r.b]; x[r.d] = std.math.rotl(u32, x[r.d] ^ x[r.a], u32(16));
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x[r.c] +%= x[r.d]; x[r.b] = std.math.rotl(u32, x[r.b] ^ x[r.c], u32(12));
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x[r.a] +%= x[r.b]; x[r.d] = std.math.rotl(u32, x[r.d] ^ x[r.a], u32(8));
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x[r.c] +%= x[r.d]; x[r.b] = std.math.rotl(u32, x[r.b] ^ x[r.c], u32(7));
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x[r.a] +%= x[r.b];
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x[r.d] = std.math.rotl(u32, x[r.d] ^ x[r.a], u32(16));
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x[r.c] +%= x[r.d];
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x[r.b] = std.math.rotl(u32, x[r.b] ^ x[r.c], u32(12));
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x[r.a] +%= x[r.b];
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x[r.d] = std.math.rotl(u32, x[r.d] ^ x[r.a], u32(8));
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x[r.c] +%= x[r.d];
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x[r.b] = std.math.rotl(u32, x[r.b] ^ x[r.c], u32(7));
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}
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}
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@ -166,9 +170,8 @@ pub fn chaCha20With64BitNonce(out: []u8, in: []const u8, counter: u64, key: [32]
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var remaining_blocks: u32 = @intCast(u32, (in.len / big_block));
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var i: u32 = 0;
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while (remaining_blocks > 0) : (remaining_blocks -= 1) {
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chaCha20_internal(out[cursor..cursor + big_block], in[cursor..cursor + big_block], k, c);
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c[1] += 1; // upper 32-bit of counter, generic chaCha20_internal() doesn't
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// know about this.
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chaCha20_internal(out[cursor .. cursor + big_block], in[cursor .. cursor + big_block], k, c);
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c[1] += 1; // upper 32-bit of counter, generic chaCha20_internal() doesn't know about this.
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cursor += big_block;
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}
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}
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@ -199,16 +202,16 @@ test "crypto.chacha20 test vector sunscreen" {
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const input = "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it.";
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var result: [114]u8 = undefined;
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const key = []u8{
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,
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24,25,26,27,28,29,30,31,
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 31,
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};
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const nonce = []u8{
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0, 0, 0, 0,
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0, 0, 0, 0x4a,
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0, 0, 0, 0,
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};
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0, 0, 0, 0,
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0, 0, 0, 0x4a,
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0, 0, 0, 0,
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};
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chaCha20IETF(result[0..], input[0..], 1, key, nonce);
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assert(mem.eql(u8, expected_result, result));
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@ -248,7 +251,7 @@ test "crypto.chacha20 test vector 1" {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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};
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const nonce = []u8{0, 0, 0, 0, 0, 0, 0, 0};
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const nonce = []u8{ 0, 0, 0, 0, 0, 0, 0, 0 };
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chaCha20With64BitNonce(result[0..], input[0..], 0, key, nonce);
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assert(mem.eql(u8, expected_result, result));
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@ -282,7 +285,7 @@ test "crypto.chacha20 test vector 2" {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 1,
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};
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const nonce = []u8{0, 0, 0, 0, 0, 0, 0, 0};
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const nonce = []u8{ 0, 0, 0, 0, 0, 0, 0, 0 };
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chaCha20With64BitNonce(result[0..], input[0..], 0, key, nonce);
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assert(mem.eql(u8, expected_result, result));
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@ -316,7 +319,7 @@ test "crypto.chacha20 test vector 3" {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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};
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const nonce = []u8{0, 0, 0, 0, 0, 0, 0, 1};
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const nonce = []u8{ 0, 0, 0, 0, 0, 0, 0, 1 };
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chaCha20With64BitNonce(result[0..], input[0..], 0, key, nonce);
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assert(mem.eql(u8, expected_result, result));
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@ -350,7 +353,7 @@ test "crypto.chacha20 test vector 4" {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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};
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const nonce = []u8{1, 0, 0, 0, 0, 0, 0, 0};
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const nonce = []u8{ 1, 0, 0, 0, 0, 0, 0, 0 };
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chaCha20With64BitNonce(result[0..], input[0..], 0, key, nonce);
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assert(mem.eql(u8, expected_result, result));
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@ -87,97 +87,24 @@ fn Keccak(comptime bits: usize, comptime delim: u8) type {
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}
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const RC = []const u64{
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0x0000000000000001,
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0x0000000000008082,
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0x800000000000808a,
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0x8000000080008000,
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0x000000000000808b,
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0x0000000080000001,
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0x8000000080008081,
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0x8000000000008009,
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0x000000000000008a,
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0x0000000000000088,
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0x0000000080008009,
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0x000000008000000a,
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0x000000008000808b,
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0x800000000000008b,
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0x8000000000008089,
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0x8000000000008003,
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0x8000000000008002,
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0x8000000000000080,
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0x000000000000800a,
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0x800000008000000a,
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0x8000000080008081,
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0x8000000000008080,
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0x0000000080000001,
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0x8000000080008008,
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0x0000000000000001, 0x0000000000008082, 0x800000000000808a, 0x8000000080008000,
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0x000000000000808b, 0x0000000080000001, 0x8000000080008081, 0x8000000000008009,
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0x000000000000008a, 0x0000000000000088, 0x0000000080008009, 0x000000008000000a,
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0x000000008000808b, 0x800000000000008b, 0x8000000000008089, 0x8000000000008003,
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0x8000000000008002, 0x8000000000000080, 0x000000000000800a, 0x800000008000000a,
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0x8000000080008081, 0x8000000000008080, 0x0000000080000001, 0x8000000080008008,
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};
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const ROTC = []const usize{
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1,
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3,
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6,
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10,
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15,
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21,
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28,
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36,
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45,
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55,
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2,
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14,
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27,
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41,
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56,
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8,
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25,
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43,
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62,
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18,
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39,
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61,
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20,
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44,
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1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 2, 14, 27, 41, 56, 8, 25, 43, 62, 18, 39, 61, 20, 44,
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};
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const PIL = []const usize{
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10,
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7,
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11,
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17,
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18,
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3,
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5,
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16,
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8,
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21,
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24,
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4,
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15,
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23,
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19,
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13,
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12,
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2,
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20,
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14,
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22,
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9,
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6,
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1,
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10, 7, 11, 17, 18, 3, 5, 16, 8, 21, 24, 4, 15, 23, 19, 13, 12, 2, 20, 14, 22, 9, 6, 1,
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};
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const M5 = []const usize{
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0,
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1,
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2,
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3,
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4,
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0,
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1,
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2,
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3,
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4,
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0, 1, 2, 3, 4, 0, 1, 2, 3, 4,
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};
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fn keccak_f(comptime F: usize, d: []u8) void {
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