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Results 1 - 2 of 2 for permuteInitialBlock (0.23 sec)
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src/crypto/des/block.go
f = (f << 1) | (f >> 31) feistelBox[s][t] = uint32(f) } } } } // permuteInitialBlock is equivalent to the permutation defined // by initialPermutation. func permuteInitialBlock(block uint64) uint64 { // block = b7 b6 b5 b4 b3 b2 b1 b0 (8 bytes) b1 := block >> 48 b2 := block << 48 block ^= b1 ^ b2 ^ b1<<48 ^ b2>>48
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon May 13 18:57:38 UTC 2024 - 6.5K bytes - Viewed (0) -
src/crypto/des/cipher.go
panic("crypto/des: output not full block") } if alias.InexactOverlap(dst[:BlockSize], src[:BlockSize]) { panic("crypto/des: invalid buffer overlap") } b := byteorder.BeUint64(src) b = permuteInitialBlock(b) left, right := uint32(b>>32), uint32(b) left = (left << 1) | (left >> 31) right = (right << 1) | (right >> 31) for i := 0; i < 8; i++ {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon May 13 18:57:38 UTC 2024 - 4K bytes - Viewed (0)