mirror of
https://github.com/cheat/cheat.git
synced 2024-11-17 01:18:29 +01:00
43 lines
1 KiB
Go
43 lines
1 KiB
Go
|
package shared
|
||
|
|
|
||
|
|
const (
|
||
|
|
// Constants for the SHA-1 hash function.
|
||
|
|
K0 = 0x5A827999
|
||
|
|
K1 = 0x6ED9EBA1
|
||
|
|
K2 = 0x8F1BBCDC
|
||
|
|
K3 = 0xCA62C1D6
|
||
|
|
|
||
|
|
// Initial values for the buffer variables: h0, h1, h2, h3, h4.
|
||
|
|
Init0 = 0x67452301
|
||
|
|
Init1 = 0xEFCDAB89
|
||
|
|
Init2 = 0x98BADCFE
|
||
|
|
Init3 = 0x10325476
|
||
|
|
Init4 = 0xC3D2E1F0
|
||
|
|
|
||
|
|
// Initial values for the temporary variables (ihvtmp0, ihvtmp1, ihvtmp2, ihvtmp3, ihvtmp4) during the SHA recompression step.
|
||
|
|
InitTmp0 = 0xD5
|
||
|
|
InitTmp1 = 0x394
|
||
|
|
InitTmp2 = 0x8152A8
|
||
|
|
InitTmp3 = 0x0
|
||
|
|
InitTmp4 = 0xA7ECE0
|
||
|
|
|
||
|
|
// SHA1 contains 2 buffers, each based off 5 32-bit words.
|
||
|
|
WordBuffers = 5
|
||
|
|
|
||
|
|
// The output of SHA1 is 20 bytes (160 bits).
|
||
|
|
Size = 20
|
||
|
|
|
||
|
|
// Rounds represents the number of steps required to process each chunk.
|
||
|
|
Rounds = 80
|
||
|
|
|
||
|
|
// SHA1 processes the input data in chunks. Each chunk contains 64 bytes.
|
||
|
|
Chunk = 64
|
||
|
|
|
||
|
|
// The number of pre-step compression state to store.
|
||
|
|
// Currently there are 3 pre-step compression states required: 0, 58, 65.
|
||
|
|
PreStepState = 3
|
||
|
|
|
||
|
|
Magic = "shacd\x01"
|
||
|
|
MarshaledSize = len(Magic) + 5*4 + Chunk + 8
|
||
|
|
)
|