diff options
Diffstat (limited to 'lib/std/crypto/bcrypt.zig')
| -rw-r--r-- | lib/std/crypto/bcrypt.zig | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/lib/std/crypto/bcrypt.zig b/lib/std/crypto/bcrypt.zig index caceb6d7b9..d00108b9c4 100644 --- a/lib/std/crypto/bcrypt.zig +++ b/lib/std/crypto/bcrypt.zig @@ -11,7 +11,8 @@ const math = std.math; const mem = std.mem; const debug = std.debug; const testing = std.testing; -const utils = std.crypto.utils; +const utils = crypto.utils; +const Error = crypto.Error; const salt_length: usize = 16; const salt_str_length: usize = 22; @@ -21,13 +22,6 @@ const ct_length: usize = 24; /// Length (in bytes) of a password hash pub const hash_length: usize = 60; -pub const BcryptError = error{ - /// The hashed password cannot be decoded. - InvalidEncoding, - /// The hash is not valid for the given password. - InvalidPassword, -}; - const State = struct { sboxes: [4][256]u32 = [4][256]u32{ .{ 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a }, @@ -185,7 +179,7 @@ const Codec = struct { debug.assert(j == b64.len); } - fn decode(bin: []u8, b64: []const u8) BcryptError!void { + fn decode(bin: []u8, b64: []const u8) Error!void { var i: usize = 0; var j: usize = 0; while (j < bin.len) { @@ -210,7 +204,7 @@ const Codec = struct { } }; -fn strHashInternal(password: []const u8, rounds_log: u6, salt: [salt_length]u8) BcryptError![hash_length]u8 { +fn strHashInternal(password: []const u8, rounds_log: u6, salt: [salt_length]u8) Error![hash_length]u8 { var state = State{}; var password_buf: [73]u8 = undefined; const trimmed_len = math.min(password.len, password_buf.len - 1); @@ -258,14 +252,14 @@ fn strHashInternal(password: []const u8, rounds_log: u6, salt: [salt_length]u8) /// IMPORTANT: by design, bcrypt silently truncates passwords to 72 bytes. /// If this is an issue for your application, hash the password first using a function such as SHA-512, /// and then use the resulting hash as the password parameter for bcrypt. -pub fn strHash(password: []const u8, rounds_log: u6) ![hash_length]u8 { +pub fn strHash(password: []const u8, rounds_log: u6) Error![hash_length]u8 { var salt: [salt_length]u8 = undefined; crypto.random.bytes(&salt); return strHashInternal(password, rounds_log, salt); } /// Verify that a previously computed hash is valid for a given password. -pub fn strVerify(h: [hash_length]u8, password: []const u8) BcryptError!void { +pub fn strVerify(h: [hash_length]u8, password: []const u8) Error!void { if (!mem.eql(u8, "$2", h[0..2])) return error.InvalidEncoding; if (h[3] != '$' or h[6] != '$') return error.InvalidEncoding; const rounds_log_str = h[4..][0..2]; @@ -275,7 +269,7 @@ pub fn strVerify(h: [hash_length]u8, password: []const u8) BcryptError!void { const rounds_log = fmt.parseInt(u6, rounds_log_str[0..], 10) catch return error.InvalidEncoding; const wanted_s = try strHashInternal(password, rounds_log, salt); if (!mem.eql(u8, wanted_s[0..], h[0..])) { - return error.InvalidPassword; + return error.PasswordVerificationFailed; } } @@ -292,7 +286,7 @@ test "bcrypt codec" { test "bcrypt" { const s = try strHash("password", 5); try strVerify(s, "password"); - testing.expectError(error.InvalidPassword, strVerify(s, "invalid password")); + testing.expectError(error.PasswordVerificationFailed, strVerify(s, "invalid password")); const long_s = try strHash("password" ** 100, 5); try strVerify(long_s, "password" ** 100); |
