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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
)
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