mirror of
https://github.com/golang/go.git
synced 2024-09-30 06:47:04 +00:00
casify hash
R=r DELTA=235 (6 added, 26 deleted, 203 changed) OCL=22907 CL=22938
This commit is contained in:
Russ Cox
parent
e83c85accb
commit
d2cdcfc1c8
@ -19,8 +19,10 @@ export type Digest struct {
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n int;
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}
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const Mod = 65521;
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const Maxiter = 5552; // max mod-free iterations before would overflow uint32
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const (
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_Mod = 65521;
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_MaxIter = 5552; // max mod-free iterations before would overflow uint32
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)
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export func NewDigest() *Digest {
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return &Digest{1, 0, 0};
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@ -32,9 +34,9 @@ func (d *Digest) Write(p []byte) (nn int, err *os.Error) {
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a += uint32(p[i]);
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b += a;
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n++;
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if n == Maxiter {
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a %= Mod;
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b %= Mod;
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if n == _MaxIter {
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a %= _Mod;
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b %= _Mod;
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n = 0;
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}
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}
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@ -44,9 +46,9 @@ func (d *Digest) Write(p []byte) (nn int, err *os.Error) {
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func (d *Digest) Sum32() uint32 {
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a, b := d.a, d.b;
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if a >= Mod || b >= Mod {
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a %= Mod;
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b %= Mod;
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if a >= _Mod || b >= _Mod {
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a %= _Mod;
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b %= _Mod;
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}
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return b<<16 | a;
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}
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@ -10,43 +10,43 @@ import (
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"testing";
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)
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type Adler32Test struct {
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type _Adler32Test struct {
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out uint32;
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in string;
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}
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var golden = []Adler32Test {
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Adler32Test{ 0x1, "" },
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Adler32Test{ 0x620062, "a" },
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Adler32Test{ 0x12600c4, "ab" },
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Adler32Test{ 0x24d0127, "abc" },
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Adler32Test{ 0x3d8018b, "abcd" },
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Adler32Test{ 0x5c801f0, "abcde" },
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Adler32Test{ 0x81e0256, "abcdef" },
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Adler32Test{ 0xadb02bd, "abcdefg" },
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Adler32Test{ 0xe000325, "abcdefgh" },
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Adler32Test{ 0x118e038e, "abcdefghi" },
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Adler32Test{ 0x158603f8, "abcdefghij" },
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Adler32Test{ 0x3f090f02, "Discard medicine more than two years old." },
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Adler32Test{ 0x46d81477, "He who has a shady past knows that nice guys finish last." },
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Adler32Test{ 0x40ee0ee1, "I wouldn't marry him with a ten foot pole." },
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Adler32Test{ 0x16661315, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
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Adler32Test{ 0x5b2e1480, "The days of the digital watch are numbered. -Tom Stoppard" },
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Adler32Test{ 0x8c3c09ea, "Nepal premier won't resign." },
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Adler32Test{ 0x45ac18fd, "For every action there is an equal and opposite government program." },
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Adler32Test{ 0x53c61462, "His money is twice tainted: 'taint yours and 'taint mine." },
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Adler32Test{ 0x7e511e63, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
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Adler32Test{ 0xe4801a6a, "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
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Adler32Test{ 0x61b507df, "size: a.out: bad magic" },
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Adler32Test{ 0xb8631171, "The major problem is with sendmail. -Mark Horton" },
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Adler32Test{ 0x8b5e1904, "Give me a rock, paper and scissors and I will move the world. CCFestoon" },
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Adler32Test{ 0x7cc6102b, "If the enemy is within range, then so are you." },
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Adler32Test{ 0x700318e7, "It's well we cannot hear the screams/That we create in others' dreams." },
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Adler32Test{ 0x1e601747, "You remind me of a TV show, but that's all right: I watch it anyway." },
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Adler32Test{ 0xb55b0b09, "C is as portable as Stonehedge!!" },
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Adler32Test{ 0x39111dd0, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
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Adler32Test{ 0x91dd304f, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule" },
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Adler32Test{ 0x2e5d1316, "How can you write a big system without C++? -Paul Glick" },
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var golden = []_Adler32Test {
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_Adler32Test{ 0x1, "" },
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_Adler32Test{ 0x620062, "a" },
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_Adler32Test{ 0x12600c4, "ab" },
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_Adler32Test{ 0x24d0127, "abc" },
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_Adler32Test{ 0x3d8018b, "abcd" },
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_Adler32Test{ 0x5c801f0, "abcde" },
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_Adler32Test{ 0x81e0256, "abcdef" },
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_Adler32Test{ 0xadb02bd, "abcdefg" },
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_Adler32Test{ 0xe000325, "abcdefgh" },
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_Adler32Test{ 0x118e038e, "abcdefghi" },
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_Adler32Test{ 0x158603f8, "abcdefghij" },
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_Adler32Test{ 0x3f090f02, "Discard medicine more than two years old." },
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_Adler32Test{ 0x46d81477, "He who has a shady past knows that nice guys finish last." },
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_Adler32Test{ 0x40ee0ee1, "I wouldn't marry him with a ten foot pole." },
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_Adler32Test{ 0x16661315, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
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_Adler32Test{ 0x5b2e1480, "The days of the digital watch are numbered. -Tom Stoppard" },
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_Adler32Test{ 0x8c3c09ea, "Nepal premier won't resign." },
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_Adler32Test{ 0x45ac18fd, "For every action there is an equal and opposite government program." },
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_Adler32Test{ 0x53c61462, "His money is twice tainted: 'taint yours and 'taint mine." },
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_Adler32Test{ 0x7e511e63, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
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_Adler32Test{ 0xe4801a6a, "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
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_Adler32Test{ 0x61b507df, "size: a.out: bad magic" },
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_Adler32Test{ 0xb8631171, "The major problem is with sendmail. -Mark Horton" },
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_Adler32Test{ 0x8b5e1904, "Give me a rock, paper and scissors and I will move the world. CCFestoon" },
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_Adler32Test{ 0x7cc6102b, "If the enemy is within range, then so are you." },
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_Adler32Test{ 0x700318e7, "It's well we cannot hear the screams/That we create in others' dreams." },
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_Adler32Test{ 0x1e601747, "You remind me of a TV show, but that's all right: I watch it anyway." },
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_Adler32Test{ 0xb55b0b09, "C is as portable as Stonehedge!!" },
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_Adler32Test{ 0x39111dd0, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
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_Adler32Test{ 0x91dd304f, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule" },
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_Adler32Test{ 0x2e5d1316, "How can you write a big system without C++? -Paul Glick" },
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}
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export func TestGolden(t *testing.T) {
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@ -44,7 +44,7 @@ export func MakeTable(poly uint32) Table {
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return t;
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}
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export var ieee = MakeTable(IEEE);
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export var IEEETable = MakeTable(IEEE);
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export type Digest struct {
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crc uint32;
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@ -56,7 +56,7 @@ export func NewDigest(tab Table) *Digest {
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}
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export func NewIEEEDigest() *Digest {
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return NewDigest(ieee);
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return NewDigest(IEEETable);
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}
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func (d *Digest) Write(p []byte) (n int, err *os.Error) {
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@ -10,43 +10,43 @@ import (
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"testing";
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)
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type Crc32Test struct {
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type _Crc32Test struct {
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out uint32;
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in string;
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}
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var golden = []Crc32Test {
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Crc32Test{ 0x0, "" },
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Crc32Test{ 0xe8b7be43, "a" },
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Crc32Test{ 0x9e83486d, "ab" },
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Crc32Test{ 0x352441c2, "abc" },
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Crc32Test{ 0xed82cd11, "abcd" },
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Crc32Test{ 0x8587d865, "abcde" },
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Crc32Test{ 0x4b8e39ef, "abcdef" },
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Crc32Test{ 0x312a6aa6, "abcdefg" },
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Crc32Test{ 0xaeef2a50, "abcdefgh" },
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Crc32Test{ 0x8da988af, "abcdefghi" },
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Crc32Test{ 0x3981703a, "abcdefghij" },
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Crc32Test{ 0x6b9cdfe7, "Discard medicine more than two years old." },
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Crc32Test{ 0xc90ef73f, "He who has a shady past knows that nice guys finish last." },
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Crc32Test{ 0xb902341f, "I wouldn't marry him with a ten foot pole." },
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Crc32Test{ 0x42080e8, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
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Crc32Test{ 0x154c6d11, "The days of the digital watch are numbered. -Tom Stoppard" },
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Crc32Test{ 0x4c418325, "Nepal premier won't resign." },
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Crc32Test{ 0x33955150, "For every action there is an equal and opposite government program." },
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Crc32Test{ 0x26216a4b, "His money is twice tainted: 'taint yours and 'taint mine." },
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Crc32Test{ 0x1abbe45e, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
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Crc32Test{ 0xc89a94f7, "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
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Crc32Test{ 0xab3abe14, "size: a.out: bad magic" },
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Crc32Test{ 0xbab102b6, "The major problem is with sendmail. -Mark Horton" },
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Crc32Test{ 0x999149d7, "Give me a rock, paper and scissors and I will move the world. CCFestoon" },
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Crc32Test{ 0x6d52a33c, "If the enemy is within range, then so are you." },
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Crc32Test{ 0x90631e8d, "It's well we cannot hear the screams/That we create in others' dreams." },
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Crc32Test{ 0x78309130, "You remind me of a TV show, but that's all right: I watch it anyway." },
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Crc32Test{ 0x7d0a377f, "C is as portable as Stonehedge!!" },
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Crc32Test{ 0x8c79fd79, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
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Crc32Test{ 0xa20b7167, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule" },
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Crc32Test{ 0x8e0bb443, "How can you write a big system without C++? -Paul Glick" },
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var golden = []_Crc32Test {
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_Crc32Test{ 0x0, "" },
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_Crc32Test{ 0xe8b7be43, "a" },
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_Crc32Test{ 0x9e83486d, "ab" },
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_Crc32Test{ 0x352441c2, "abc" },
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_Crc32Test{ 0xed82cd11, "abcd" },
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_Crc32Test{ 0x8587d865, "abcde" },
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_Crc32Test{ 0x4b8e39ef, "abcdef" },
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_Crc32Test{ 0x312a6aa6, "abcdefg" },
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_Crc32Test{ 0xaeef2a50, "abcdefgh" },
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_Crc32Test{ 0x8da988af, "abcdefghi" },
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_Crc32Test{ 0x3981703a, "abcdefghij" },
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_Crc32Test{ 0x6b9cdfe7, "Discard medicine more than two years old." },
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_Crc32Test{ 0xc90ef73f, "He who has a shady past knows that nice guys finish last." },
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_Crc32Test{ 0xb902341f, "I wouldn't marry him with a ten foot pole." },
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_Crc32Test{ 0x42080e8, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
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_Crc32Test{ 0x154c6d11, "The days of the digital watch are numbered. -Tom Stoppard" },
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_Crc32Test{ 0x4c418325, "Nepal premier won't resign." },
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_Crc32Test{ 0x33955150, "For every action there is an equal and opposite government program." },
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_Crc32Test{ 0x26216a4b, "His money is twice tainted: 'taint yours and 'taint mine." },
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_Crc32Test{ 0x1abbe45e, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
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_Crc32Test{ 0xc89a94f7, "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
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_Crc32Test{ 0xab3abe14, "size: a.out: bad magic" },
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_Crc32Test{ 0xbab102b6, "The major problem is with sendmail. -Mark Horton" },
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_Crc32Test{ 0x999149d7, "Give me a rock, paper and scissors and I will move the world. CCFestoon" },
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_Crc32Test{ 0x6d52a33c, "If the enemy is within range, then so are you." },
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_Crc32Test{ 0x90631e8d, "It's well we cannot hear the screams/That we create in others' dreams." },
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_Crc32Test{ 0x78309130, "You remind me of a TV show, but that's all right: I watch it anyway." },
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_Crc32Test{ 0x7d0a377f, "C is as portable as Stonehedge!!" },
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_Crc32Test{ 0x8c79fd79, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
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_Crc32Test{ 0xa20b7167, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule" },
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_Crc32Test{ 0x8e0bb443, "How can you write a big system without C++? -Paul Glick" },
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}
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export func TestGolden(t *testing.T) {
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@ -8,54 +8,52 @@ package md5
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import "os"
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package const (
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Chunk = 64
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)
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const (
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A = 0x67452301;
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B = 0xEFCDAB89;
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C = 0x98BADCFE;
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D = 0x10325476;
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_Chunk = 64;
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_Init0 = 0x67452301;
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_Init1 = 0xEFCDAB89;
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_Init2 = 0x98BADCFE;
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_Init3 = 0x10325476;
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)
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export type Digest struct {
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s [4]uint32;
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x [Chunk]byte;
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x [_Chunk]byte;
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nx int;
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len uint64;
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}
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export func NewDigest() *Digest {
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d := new(Digest);
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d.s[0] = A;
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d.s[1] = B;
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d.s[2] = C;
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d.s[3] = D;
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d.s[0] = _Init0;
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d.s[1] = _Init1;
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d.s[2] = _Init2;
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d.s[3] = _Init3;
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return d;
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}
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package func Block(dig *Digest, p []byte) int
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func _Block(dig *Digest, p []byte) int
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func (d *Digest) Write(p []byte) (nn int, err *os.Error) {
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nn = len(p);
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d.len += uint64(nn);
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if d.nx > 0 {
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n := len(p);
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if n > Chunk-d.nx {
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n = Chunk-d.nx;
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if n > _Chunk-d.nx {
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n = _Chunk-d.nx;
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}
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for i := 0; i < n; i++ {
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d.x[d.nx+i] = p[i];
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}
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d.nx += n;
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if d.nx == Chunk {
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Block(d, d.x);
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if d.nx == _Chunk {
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_Block(d, d.x);
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d.nx = 0;
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}
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p = p[n:len(p)];
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}
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n := Block(d, p);
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n := _Block(d, p);
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p = p[n:len(p)];
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if len(p) > 0 {
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for i := 0; i < len(p); i++ {
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@ -5,58 +5,49 @@
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package md5
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import (
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"md5";
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"fmt";
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"io";
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"md5";
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"testing";
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)
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type Md5Test struct {
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type md5Test struct {
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out string;
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in string;
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}
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var golden = []Md5Test {
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Md5Test{ "d41d8cd98f00b204e9800998ecf8427e", "" },
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Md5Test{ "0cc175b9c0f1b6a831c399e269772661", "a" },
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Md5Test{ "187ef4436122d1cc2f40dc2b92f0eba0", "ab" },
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Md5Test{ "900150983cd24fb0d6963f7d28e17f72", "abc" },
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Md5Test{ "e2fc714c4727ee9395f324cd2e7f331f", "abcd" },
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Md5Test{ "ab56b4d92b40713acc5af89985d4b786", "abcde" },
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Md5Test{ "e80b5017098950fc58aad83c8c14978e", "abcdef" },
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Md5Test{ "7ac66c0f148de9519b8bd264312c4d64", "abcdefg" },
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Md5Test{ "e8dc4081b13434b45189a720b77b6818", "abcdefgh" },
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Md5Test{ "8aa99b1f439ff71293e95357bac6fd94", "abcdefghi" },
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Md5Test{ "a925576942e94b2ef57a066101b48876", "abcdefghij" },
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Md5Test{ "d747fc1719c7eacb84058196cfe56d57", "Discard medicine more than two years old." },
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Md5Test{ "bff2dcb37ef3a44ba43ab144768ca837", "He who has a shady past knows that nice guys finish last." },
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Md5Test{ "0441015ecb54a7342d017ed1bcfdbea5", "I wouldn't marry him with a ten foot pole." },
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Md5Test{ "9e3cac8e9e9757a60c3ea391130d3689", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
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Md5Test{ "a0f04459b031f916a59a35cc482dc039", "The days of the digital watch are numbered. -Tom Stoppard" },
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Md5Test{ "e7a48e0fe884faf31475d2a04b1362cc", "Nepal premier won't resign." },
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Md5Test{ "637d2fe925c07c113800509964fb0e06", "For every action there is an equal and opposite government program." },
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Md5Test{ "834a8d18d5c6562119cf4c7f5086cb71", "His money is twice tainted: 'taint yours and 'taint mine." },
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Md5Test{ "de3a4d2fd6c73ec2db2abad23b444281", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
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Md5Test{ "acf203f997e2cf74ea3aff86985aefaf", "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
|
||||
Md5Test{ "e1c1384cb4d2221dfdd7c795a4222c9a", "size: a.out: bad magic" },
|
||||
Md5Test{ "c90f3ddecc54f34228c063d7525bf644", "The major problem is with sendmail. -Mark Horton" },
|
||||
Md5Test{ "cdf7ab6c1fd49bd9933c43f3ea5af185", "Give me a rock, paper and scissors and I will move the world. CCFestoon" },
|
||||
Md5Test{ "83bc85234942fc883c063cbd7f0ad5d0", "If the enemy is within range, then so are you." },
|
||||
Md5Test{ "277cbe255686b48dd7e8f389394d9299", "It's well we cannot hear the screams/That we create in others' dreams." },
|
||||
Md5Test{ "fd3fb0a7ffb8af16603f3d3af98f8e1f", "You remind me of a TV show, but that's all right: I watch it anyway." },
|
||||
Md5Test{ "469b13a78ebf297ecda64d4723655154", "C is as portable as Stonehedge!!" },
|
||||
Md5Test{ "63eb3a2f466410104731c4b037600110", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
|
||||
Md5Test{ "72c2ed7592debca1c90fc0100f931a2f", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule" },
|
||||
Md5Test{ "132f7619d33b523b1d9e5bd8e0928355", "How can you write a big system without C++? -Paul Glick" },
|
||||
}
|
||||
|
||||
func Hex(p []byte) string {
|
||||
s := "";
|
||||
for i := 0; i < len(p); i++ {
|
||||
v := p[i];
|
||||
s += string("0123456789abcdef"[v>>4]);
|
||||
s += string("0123456789abcdef"[v&15]);
|
||||
}
|
||||
return s;
|
||||
var golden = []md5Test {
|
||||
md5Test{ "d41d8cd98f00b204e9800998ecf8427e", "" },
|
||||
md5Test{ "0cc175b9c0f1b6a831c399e269772661", "a" },
|
||||
md5Test{ "187ef4436122d1cc2f40dc2b92f0eba0", "ab" },
|
||||
md5Test{ "900150983cd24fb0d6963f7d28e17f72", "abc" },
|
||||
md5Test{ "e2fc714c4727ee9395f324cd2e7f331f", "abcd" },
|
||||
md5Test{ "ab56b4d92b40713acc5af89985d4b786", "abcde" },
|
||||
md5Test{ "e80b5017098950fc58aad83c8c14978e", "abcdef" },
|
||||
md5Test{ "7ac66c0f148de9519b8bd264312c4d64", "abcdefg" },
|
||||
md5Test{ "e8dc4081b13434b45189a720b77b6818", "abcdefgh" },
|
||||
md5Test{ "8aa99b1f439ff71293e95357bac6fd94", "abcdefghi" },
|
||||
md5Test{ "a925576942e94b2ef57a066101b48876", "abcdefghij" },
|
||||
md5Test{ "d747fc1719c7eacb84058196cfe56d57", "Discard medicine more than two years old." },
|
||||
md5Test{ "bff2dcb37ef3a44ba43ab144768ca837", "He who has a shady past knows that nice guys finish last." },
|
||||
md5Test{ "0441015ecb54a7342d017ed1bcfdbea5", "I wouldn't marry him with a ten foot pole." },
|
||||
md5Test{ "9e3cac8e9e9757a60c3ea391130d3689", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
|
||||
md5Test{ "a0f04459b031f916a59a35cc482dc039", "The days of the digital watch are numbered. -Tom Stoppard" },
|
||||
md5Test{ "e7a48e0fe884faf31475d2a04b1362cc", "Nepal premier won't resign." },
|
||||
md5Test{ "637d2fe925c07c113800509964fb0e06", "For every action there is an equal and opposite government program." },
|
||||
md5Test{ "834a8d18d5c6562119cf4c7f5086cb71", "His money is twice tainted: 'taint yours and 'taint mine." },
|
||||
md5Test{ "de3a4d2fd6c73ec2db2abad23b444281", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
|
||||
md5Test{ "acf203f997e2cf74ea3aff86985aefaf", "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
|
||||
md5Test{ "e1c1384cb4d2221dfdd7c795a4222c9a", "size: a.out: bad magic" },
|
||||
md5Test{ "c90f3ddecc54f34228c063d7525bf644", "The major problem is with sendmail. -Mark Horton" },
|
||||
md5Test{ "cdf7ab6c1fd49bd9933c43f3ea5af185", "Give me a rock, paper and scissors and I will move the world. CCFestoon" },
|
||||
md5Test{ "83bc85234942fc883c063cbd7f0ad5d0", "If the enemy is within range, then so are you." },
|
||||
md5Test{ "277cbe255686b48dd7e8f389394d9299", "It's well we cannot hear the screams/That we create in others' dreams." },
|
||||
md5Test{ "fd3fb0a7ffb8af16603f3d3af98f8e1f", "You remind me of a TV show, but that's all right: I watch it anyway." },
|
||||
md5Test{ "469b13a78ebf297ecda64d4723655154", "C is as portable as Stonehedge!!" },
|
||||
md5Test{ "63eb3a2f466410104731c4b037600110", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
|
||||
md5Test{ "72c2ed7592debca1c90fc0100f931a2f", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule" },
|
||||
md5Test{ "132f7619d33b523b1d9e5bd8e0928355", "How can you write a big system without C++? -Paul Glick" },
|
||||
}
|
||||
|
||||
export func TestGolden(t *testing.T) {
|
||||
@ -64,7 +55,7 @@ export func TestGolden(t *testing.T) {
|
||||
g := golden[i];
|
||||
c := NewDigest();
|
||||
io.WriteString(c, g.in);
|
||||
s := Hex(c.Sum());
|
||||
s := fmt.Sprintf("%x", c.Sum());
|
||||
if s != g.out {
|
||||
t.Errorf("md5(%s) = %s want %s", g.in, s, g.out);
|
||||
t.FailNow();
|
||||
|
||||
@ -10,79 +10,79 @@ package md5
|
||||
|
||||
import "md5"
|
||||
|
||||
// T[i] = int((1<<32) * abs(sin(i+1 radians))).
|
||||
var T = []uint32 {
|
||||
// table[i] = int((1<<32) * abs(sin(i+1 radians))).
|
||||
var table = []uint32 {
|
||||
// round 1
|
||||
0xd76aa478,
|
||||
0xd76aa478,
|
||||
0xe8c7b756,
|
||||
0x242070db,
|
||||
0xc1bdceee,
|
||||
0xf57c0faf,
|
||||
0x4787c62a,
|
||||
0xa8304613,
|
||||
0xfd469501,
|
||||
0x698098d8,
|
||||
0x8b44f7af,
|
||||
0xffff5bb1,
|
||||
0x895cd7be,
|
||||
0x6b901122,
|
||||
0xfd987193,
|
||||
0xa679438e,
|
||||
0x242070db,
|
||||
0xc1bdceee,
|
||||
0xf57c0faf,
|
||||
0x4787c62a,
|
||||
0xa8304613,
|
||||
0xfd469501,
|
||||
0x698098d8,
|
||||
0x8b44f7af,
|
||||
0xffff5bb1,
|
||||
0x895cd7be,
|
||||
0x6b901122,
|
||||
0xfd987193,
|
||||
0xa679438e,
|
||||
0x49b40821,
|
||||
|
||||
// round 2
|
||||
0xf61e2562,
|
||||
0xc040b340,
|
||||
0x265e5a51,
|
||||
0xe9b6c7aa,
|
||||
0xd62f105d,
|
||||
0x2441453,
|
||||
0xd8a1e681,
|
||||
0xe7d3fbc8,
|
||||
0x21e1cde6,
|
||||
0xc33707d6,
|
||||
0xf4d50d87,
|
||||
0x455a14ed,
|
||||
0xa9e3e905,
|
||||
0xfcefa3f8,
|
||||
0x676f02d9,
|
||||
0xf61e2562,
|
||||
0xc040b340,
|
||||
0x265e5a51,
|
||||
0xe9b6c7aa,
|
||||
0xd62f105d,
|
||||
0x2441453,
|
||||
0xd8a1e681,
|
||||
0xe7d3fbc8,
|
||||
0x21e1cde6,
|
||||
0xc33707d6,
|
||||
0xf4d50d87,
|
||||
0x455a14ed,
|
||||
0xa9e3e905,
|
||||
0xfcefa3f8,
|
||||
0x676f02d9,
|
||||
0x8d2a4c8a,
|
||||
|
||||
// round3
|
||||
0xfffa3942,
|
||||
0x8771f681,
|
||||
0x6d9d6122,
|
||||
0xfde5380c,
|
||||
0xa4beea44,
|
||||
0x4bdecfa9,
|
||||
0xf6bb4b60,
|
||||
0xbebfbc70,
|
||||
0x289b7ec6,
|
||||
0xeaa127fa,
|
||||
0xd4ef3085,
|
||||
0x4881d05,
|
||||
0xd9d4d039,
|
||||
0xe6db99e5,
|
||||
0x1fa27cf8,
|
||||
0xc4ac5665,
|
||||
0xfffa3942,
|
||||
0x8771f681,
|
||||
0x6d9d6122,
|
||||
0xfde5380c,
|
||||
0xa4beea44,
|
||||
0x4bdecfa9,
|
||||
0xf6bb4b60,
|
||||
0xbebfbc70,
|
||||
0x289b7ec6,
|
||||
0xeaa127fa,
|
||||
0xd4ef3085,
|
||||
0x4881d05,
|
||||
0xd9d4d039,
|
||||
0xe6db99e5,
|
||||
0x1fa27cf8,
|
||||
0xc4ac5665,
|
||||
|
||||
// round 4
|
||||
0xf4292244,
|
||||
0x432aff97,
|
||||
0xab9423a7,
|
||||
0xfc93a039,
|
||||
0x655b59c3,
|
||||
0x8f0ccc92,
|
||||
0xffeff47d,
|
||||
0x85845dd1,
|
||||
0x6fa87e4f,
|
||||
0xfe2ce6e0,
|
||||
0xa3014314,
|
||||
0x4e0811a1,
|
||||
0xf7537e82,
|
||||
0xbd3af235,
|
||||
0x2ad7d2bb,
|
||||
0xeb86d391,
|
||||
0xf4292244,
|
||||
0x432aff97,
|
||||
0xab9423a7,
|
||||
0xfc93a039,
|
||||
0x655b59c3,
|
||||
0x8f0ccc92,
|
||||
0xffeff47d,
|
||||
0x85845dd1,
|
||||
0x6fa87e4f,
|
||||
0xfe2ce6e0,
|
||||
0xa3014314,
|
||||
0x4e0811a1,
|
||||
0xf7537e82,
|
||||
0xbd3af235,
|
||||
0x2ad7d2bb,
|
||||
0xeb86d391,
|
||||
}
|
||||
|
||||
var shift1 = []uint { 7, 12, 17, 22 };
|
||||
@ -90,16 +90,16 @@ var shift2 = []uint { 5, 9, 14, 20 };
|
||||
var shift3 = []uint { 4, 11, 16, 23 };
|
||||
var shift4 = []uint { 6, 10, 15, 21 };
|
||||
|
||||
package func Block(dig *Digest, p []byte) int {
|
||||
func _Block(dig *Digest, p []byte) int {
|
||||
a := dig.s[0];
|
||||
b := dig.s[1];
|
||||
c := dig.s[2];
|
||||
d := dig.s[3];
|
||||
n := 0;
|
||||
var X [16]uint32;
|
||||
for len(p) >= Chunk {
|
||||
for len(p) >= _Chunk {
|
||||
aa, bb, cc, dd := a, b, c, d;
|
||||
|
||||
|
||||
for i := 0; i < 16; i++ {
|
||||
j := i*4;
|
||||
X[i] = uint32(p[j]) | uint32(p[j+1])<<8 | uint32(p[j+2])<<16 | uint32(p[j+3])<<24;
|
||||
@ -119,43 +119,43 @@ package func Block(dig *Digest, p []byte) int {
|
||||
t := i;
|
||||
s := shift1[i%4];
|
||||
f := ((c ^ d) & b) ^ d;
|
||||
a += f + X[x] + T[t];
|
||||
a += f + X[x] + table[t];
|
||||
a = a<<s | a>>(32-s);
|
||||
a += b;
|
||||
a, b, c, d = d, a, b, c;
|
||||
}
|
||||
|
||||
|
||||
// Round 2.
|
||||
for i := 0; i < 16; i++ {
|
||||
x := (1+5*i)%16;
|
||||
t := 16+i;
|
||||
s := shift2[i%4];
|
||||
g := ((b ^ c) & d) ^ c;
|
||||
a += g + X[x] + T[t];
|
||||
a += g + X[x] + table[t];
|
||||
a = a<<s | a>>(32-s);
|
||||
a += b;
|
||||
a, b, c, d = d, a, b, c;
|
||||
}
|
||||
|
||||
|
||||
// Round 3.
|
||||
for i := 0; i < 16; i++ {
|
||||
x := (5+3*i)%16;
|
||||
t := 32+i;
|
||||
s := shift3[i%4];
|
||||
h := b ^ c ^ d;
|
||||
a += h + X[x] + T[t];
|
||||
a += h + X[x] + table[t];
|
||||
a = a<<s | a>>(32-s);
|
||||
a += b;
|
||||
a, b, c, d = d, a, b, c;
|
||||
}
|
||||
|
||||
|
||||
// Round 4.
|
||||
for i := 0; i < 16; i++ {
|
||||
x := (7*i)%16;
|
||||
s := shift4[i%4];
|
||||
t := 48+i;
|
||||
ii := c ^ (b | ^d);
|
||||
a += ii + X[x] + T[t];
|
||||
a += ii + X[x] + table[t];
|
||||
a = a<<s | a>>(32-s);
|
||||
a += b;
|
||||
a, b, c, d = d, a, b, c;
|
||||
@ -165,11 +165,11 @@ package func Block(dig *Digest, p []byte) int {
|
||||
b += bb;
|
||||
c += cc;
|
||||
d += dd;
|
||||
|
||||
p = p[Chunk:len(p)];
|
||||
n += Chunk;
|
||||
|
||||
p = p[_Chunk:len(p)];
|
||||
n += _Chunk;
|
||||
}
|
||||
|
||||
|
||||
dig.s[0] = a;
|
||||
dig.s[1] = b;
|
||||
dig.s[2] = c;
|
||||
|
||||
@ -8,56 +8,54 @@ package sha1
|
||||
|
||||
import "os"
|
||||
|
||||
package const (
|
||||
Chunk = 64;
|
||||
)
|
||||
|
||||
const (
|
||||
H0 = 0x67452301;
|
||||
H1 = 0xEFCDAB89;
|
||||
H2 = 0x98BADCFE;
|
||||
H3 = 0x10325476;
|
||||
H4 = 0xC3D2E1F0;
|
||||
_Chunk = 64;
|
||||
|
||||
_Init0 = 0x67452301;
|
||||
_Init1 = 0xEFCDAB89;
|
||||
_Init2 = 0x98BADCFE;
|
||||
_Init3 = 0x10325476;
|
||||
_Init4 = 0xC3D2E1F0;
|
||||
)
|
||||
|
||||
export type Digest struct {
|
||||
h [5]uint32;
|
||||
x [Chunk]byte;
|
||||
x [_Chunk]byte;
|
||||
nx int;
|
||||
len uint64;
|
||||
}
|
||||
|
||||
export func NewDigest() *Digest {
|
||||
d := new(Digest);
|
||||
d.h[0] = H0;
|
||||
d.h[1] = H1;
|
||||
d.h[2] = H2;
|
||||
d.h[3] = H3;
|
||||
d.h[4] = H4;
|
||||
d.h[0] = _Init0;
|
||||
d.h[1] = _Init1;
|
||||
d.h[2] = _Init2;
|
||||
d.h[3] = _Init3;
|
||||
d.h[4] = _Init4;
|
||||
return d;
|
||||
}
|
||||
|
||||
package func Block(dig *Digest, p []byte) int
|
||||
func _Block(dig *Digest, p []byte) int
|
||||
|
||||
func (d *Digest) Write(p []byte) (nn int, err *os.Error) {
|
||||
nn = len(p);
|
||||
d.len += uint64(nn);
|
||||
if d.nx > 0 {
|
||||
n := len(p);
|
||||
if n > Chunk-d.nx {
|
||||
n = Chunk-d.nx;
|
||||
if n > _Chunk-d.nx {
|
||||
n = _Chunk-d.nx;
|
||||
}
|
||||
for i := 0; i < n; i++ {
|
||||
d.x[d.nx+i] = p[i];
|
||||
}
|
||||
d.nx += n;
|
||||
if d.nx == Chunk {
|
||||
Block(d, d.x);
|
||||
if d.nx == _Chunk {
|
||||
_Block(d, d.x);
|
||||
d.nx = 0;
|
||||
}
|
||||
p = p[n:len(p)];
|
||||
}
|
||||
n := Block(d, p);
|
||||
n := _Block(d, p);
|
||||
p = p[n:len(p)];
|
||||
if len(p) > 0 {
|
||||
for i := 0; i < len(p); i++ {
|
||||
|
||||
@ -7,58 +7,49 @@
|
||||
package sha1
|
||||
|
||||
import (
|
||||
"sha1";
|
||||
"fmt";
|
||||
"io";
|
||||
"sha1";
|
||||
"testing";
|
||||
)
|
||||
|
||||
type Sha1Test struct {
|
||||
type sha1Test struct {
|
||||
out string;
|
||||
in string;
|
||||
}
|
||||
|
||||
var golden = []Sha1Test {
|
||||
Sha1Test{ "da39a3ee5e6b4b0d3255bfef95601890afd80709", "" },
|
||||
Sha1Test{ "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", "a" },
|
||||
Sha1Test{ "da23614e02469a0d7c7bd1bdab5c9c474b1904dc", "ab" },
|
||||
Sha1Test{ "a9993e364706816aba3e25717850c26c9cd0d89d", "abc" },
|
||||
Sha1Test{ "81fe8bfe87576c3ecb22426f8e57847382917acf", "abcd" },
|
||||
Sha1Test{ "03de6c570bfe24bfc328ccd7ca46b76eadaf4334", "abcde" },
|
||||
Sha1Test{ "1f8ac10f23c5b5bc1167bda84b833e5c057a77d2", "abcdef" },
|
||||
Sha1Test{ "2fb5e13419fc89246865e7a324f476ec624e8740", "abcdefg" },
|
||||
Sha1Test{ "425af12a0743502b322e93a015bcf868e324d56a", "abcdefgh" },
|
||||
Sha1Test{ "c63b19f1e4c8b5f76b25c49b8b87f57d8e4872a1", "abcdefghi" },
|
||||
Sha1Test{ "d68c19a0a345b7eab78d5e11e991c026ec60db63", "abcdefghij" },
|
||||
Sha1Test{ "ebf81ddcbe5bf13aaabdc4d65354fdf2044f38a7", "Discard medicine more than two years old." },
|
||||
Sha1Test{ "e5dea09392dd886ca63531aaa00571dc07554bb6", "He who has a shady past knows that nice guys finish last." },
|
||||
Sha1Test{ "45988f7234467b94e3e9494434c96ee3609d8f8f", "I wouldn't marry him with a ten foot pole." },
|
||||
Sha1Test{ "55dee037eb7460d5a692d1ce11330b260e40c988", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
|
||||
Sha1Test{ "b7bc5fb91080c7de6b582ea281f8a396d7c0aee8", "The days of the digital watch are numbered. -Tom Stoppard" },
|
||||
Sha1Test{ "c3aed9358f7c77f523afe86135f06b95b3999797", "Nepal premier won't resign." },
|
||||
Sha1Test{ "6e29d302bf6e3a5e4305ff318d983197d6906bb9", "For every action there is an equal and opposite government program." },
|
||||
Sha1Test{ "597f6a540010f94c15d71806a99a2c8710e747bd", "His money is twice tainted: 'taint yours and 'taint mine." },
|
||||
Sha1Test{ "6859733b2590a8a091cecf50086febc5ceef1e80", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
|
||||
Sha1Test{ "514b2630ec089b8aee18795fc0cf1f4860cdacad", "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
|
||||
Sha1Test{ "c5ca0d4a7b6676fc7aa72caa41cc3d5df567ed69", "size: a.out: bad magic" },
|
||||
Sha1Test{ "74c51fa9a04eadc8c1bbeaa7fc442f834b90a00a", "The major problem is with sendmail. -Mark Horton" },
|
||||
Sha1Test{ "0b4c4ce5f52c3ad2821852a8dc00217fa18b8b66", "Give me a rock, paper and scissors and I will move the world. CCFestoon" },
|
||||
Sha1Test{ "3ae7937dd790315beb0f48330e8642237c61550a", "If the enemy is within range, then so are you." },
|
||||
Sha1Test{ "410a2b296df92b9a47412b13281df8f830a9f44b", "It's well we cannot hear the screams/That we create in others' dreams." },
|
||||
Sha1Test{ "841e7c85ca1adcddbdd0187f1289acb5c642f7f5", "You remind me of a TV show, but that's all right: I watch it anyway." },
|
||||
Sha1Test{ "163173b825d03b952601376b25212df66763e1db", "C is as portable as Stonehedge!!" },
|
||||
Sha1Test{ "32b0377f2687eb88e22106f133c586ab314d5279", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
|
||||
Sha1Test{ "0885aaf99b569542fd165fa44e322718f4a984e0", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule" },
|
||||
Sha1Test{ "6627d6904d71420b0bf3886ab629623538689f45", "How can you write a big system without C++? -Paul Glick" },
|
||||
}
|
||||
|
||||
func Hex(p []byte) string {
|
||||
s := "";
|
||||
for i := 0; i < len(p); i++ {
|
||||
v := p[i];
|
||||
s += string("0123456789abcdef"[v>>4]);
|
||||
s += string("0123456789abcdef"[v&15]);
|
||||
}
|
||||
return s;
|
||||
var golden = []sha1Test {
|
||||
sha1Test{ "da39a3ee5e6b4b0d3255bfef95601890afd80709", "" },
|
||||
sha1Test{ "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", "a" },
|
||||
sha1Test{ "da23614e02469a0d7c7bd1bdab5c9c474b1904dc", "ab" },
|
||||
sha1Test{ "a9993e364706816aba3e25717850c26c9cd0d89d", "abc" },
|
||||
sha1Test{ "81fe8bfe87576c3ecb22426f8e57847382917acf", "abcd" },
|
||||
sha1Test{ "03de6c570bfe24bfc328ccd7ca46b76eadaf4334", "abcde" },
|
||||
sha1Test{ "1f8ac10f23c5b5bc1167bda84b833e5c057a77d2", "abcdef" },
|
||||
sha1Test{ "2fb5e13419fc89246865e7a324f476ec624e8740", "abcdefg" },
|
||||
sha1Test{ "425af12a0743502b322e93a015bcf868e324d56a", "abcdefgh" },
|
||||
sha1Test{ "c63b19f1e4c8b5f76b25c49b8b87f57d8e4872a1", "abcdefghi" },
|
||||
sha1Test{ "d68c19a0a345b7eab78d5e11e991c026ec60db63", "abcdefghij" },
|
||||
sha1Test{ "ebf81ddcbe5bf13aaabdc4d65354fdf2044f38a7", "Discard medicine more than two years old." },
|
||||
sha1Test{ "e5dea09392dd886ca63531aaa00571dc07554bb6", "He who has a shady past knows that nice guys finish last." },
|
||||
sha1Test{ "45988f7234467b94e3e9494434c96ee3609d8f8f", "I wouldn't marry him with a ten foot pole." },
|
||||
sha1Test{ "55dee037eb7460d5a692d1ce11330b260e40c988", "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave" },
|
||||
sha1Test{ "b7bc5fb91080c7de6b582ea281f8a396d7c0aee8", "The days of the digital watch are numbered. -Tom Stoppard" },
|
||||
sha1Test{ "c3aed9358f7c77f523afe86135f06b95b3999797", "Nepal premier won't resign." },
|
||||
sha1Test{ "6e29d302bf6e3a5e4305ff318d983197d6906bb9", "For every action there is an equal and opposite government program." },
|
||||
sha1Test{ "597f6a540010f94c15d71806a99a2c8710e747bd", "His money is twice tainted: 'taint yours and 'taint mine." },
|
||||
sha1Test{ "6859733b2590a8a091cecf50086febc5ceef1e80", "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977" },
|
||||
sha1Test{ "514b2630ec089b8aee18795fc0cf1f4860cdacad", "It's a tiny change to the code and not completely disgusting. - Bob Manchek" },
|
||||
sha1Test{ "c5ca0d4a7b6676fc7aa72caa41cc3d5df567ed69", "size: a.out: bad magic" },
|
||||
sha1Test{ "74c51fa9a04eadc8c1bbeaa7fc442f834b90a00a", "The major problem is with sendmail. -Mark Horton" },
|
||||
sha1Test{ "0b4c4ce5f52c3ad2821852a8dc00217fa18b8b66", "Give me a rock, paper and scissors and I will move the world. CCFestoon" },
|
||||
sha1Test{ "3ae7937dd790315beb0f48330e8642237c61550a", "If the enemy is within range, then so are you." },
|
||||
sha1Test{ "410a2b296df92b9a47412b13281df8f830a9f44b", "It's well we cannot hear the screams/That we create in others' dreams." },
|
||||
sha1Test{ "841e7c85ca1adcddbdd0187f1289acb5c642f7f5", "You remind me of a TV show, but that's all right: I watch it anyway." },
|
||||
sha1Test{ "163173b825d03b952601376b25212df66763e1db", "C is as portable as Stonehedge!!" },
|
||||
sha1Test{ "32b0377f2687eb88e22106f133c586ab314d5279", "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley" },
|
||||
sha1Test{ "0885aaf99b569542fd165fa44e322718f4a984e0", "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule" },
|
||||
sha1Test{ "6627d6904d71420b0bf3886ab629623538689f45", "How can you write a big system without C++? -Paul Glick" },
|
||||
}
|
||||
|
||||
export func TestGolden(t *testing.T) {
|
||||
@ -66,7 +57,7 @@ export func TestGolden(t *testing.T) {
|
||||
g := golden[i];
|
||||
c := NewDigest();
|
||||
io.WriteString(c, g.in);
|
||||
s := Hex(c.Sum());
|
||||
s := fmt.Sprintf("%x", c.Sum());
|
||||
if s != g.out {
|
||||
t.Errorf("sha1(%s) = %s want %s", g.in, s, g.out);
|
||||
t.FailNow();
|
||||
|
||||
@ -11,18 +11,18 @@ package sha1
|
||||
import "sha1"
|
||||
|
||||
const (
|
||||
K0 = 0x5A827999;
|
||||
K1 = 0x6ED9EBA1;
|
||||
K2 = 0x8F1BBCDC;
|
||||
K3 = 0xCA62C1D6;
|
||||
_K0 = 0x5A827999;
|
||||
_K1 = 0x6ED9EBA1;
|
||||
_K2 = 0x8F1BBCDC;
|
||||
_K3 = 0xCA62C1D6;
|
||||
)
|
||||
|
||||
package func Block(dig *Digest, p []byte) int {
|
||||
func _Block(dig *Digest, p []byte) int {
|
||||
var w [80]uint32;
|
||||
|
||||
n := 0;
|
||||
h0, h1, h2, h3, h4 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4];
|
||||
for len(p) >= Chunk {
|
||||
for len(p) >= _Chunk {
|
||||
// Can interlace the computation of w with the
|
||||
// rounds below if needed for speed.
|
||||
for i := 0; i < 16; i++ {
|
||||
@ -41,33 +41,33 @@ package func Block(dig *Digest, p []byte) int {
|
||||
|
||||
// Each of the four 20-iteration rounds
|
||||
// differs only in the computation of f and
|
||||
// the choice of K (K0, K1, etc).
|
||||
// the choice of K (_K0, _K1, etc).
|
||||
for i := 0; i < 20; i++ {
|
||||
f := b&c | (^b)&d;
|
||||
a5 := a<<5 | a>>(32-5);
|
||||
b30 := b<<30 | b>>(32-30);
|
||||
t := a5 + f + e + w[i] + K0;
|
||||
t := a5 + f + e + w[i] + _K0;
|
||||
a, b, c, d, e = t, a, b30, c, d;
|
||||
}
|
||||
for i := 20; i < 40; i++ {
|
||||
f := b ^ c ^ d;
|
||||
a5 := a<<5 | a>>(32-5);
|
||||
b30 := b<<30 | b>>(32-30);
|
||||
t := a5 + f + e + w[i] + K1;
|
||||
t := a5 + f + e + w[i] + _K1;
|
||||
a, b, c, d, e = t, a, b30, c, d;
|
||||
}
|
||||
for i := 40; i < 60; i++ {
|
||||
f := b&c | b&d | c&d;
|
||||
a5 := a<<5 | a>>(32-5);
|
||||
b30 := b<<30 | b>>(32-30);
|
||||
t := a5 + f + e + w[i] + K2;
|
||||
t := a5 + f + e + w[i] + _K2;
|
||||
a, b, c, d, e = t, a, b30, c, d;
|
||||
}
|
||||
for i := 60; i < 80; i++ {
|
||||
f := b ^ c ^ d;
|
||||
a5 := a<<5 | a>>(32-5);
|
||||
b30 := b<<30 | b>>(32-30);
|
||||
t := a5 + f + e + w[i] + K3;
|
||||
t := a5 + f + e + w[i] + _K3;
|
||||
a, b, c, d, e = t, a, b30, c, d;
|
||||
}
|
||||
|
||||
@ -77,8 +77,8 @@ package func Block(dig *Digest, p []byte) int {
|
||||
h3 += d;
|
||||
h4 += e;
|
||||
|
||||
p = p[Chunk:len(p)];
|
||||
n += Chunk;
|
||||
p = p[_Chunk:len(p)];
|
||||
n += _Chunk;
|
||||
}
|
||||
|
||||
dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4] = h0, h1, h2, h3, h4;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user