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Merge pull request #542 from intel-go/develop
Release 0.7.3
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| # Copyright 2019 Intel Corporation. | ||
| # Use of this source code is governed by a BSD-style | ||
| # license that can be found in the LICENSE file. | ||
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| PATH_TO_MK = ../../mk | ||
| SUBDIRS = stability perf | ||
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| include $(PATH_TO_MK)/intermediate.mk |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| // Copyright 2019 Intel Corporation. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
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| // Only IPv4, Only tunnel, Only ESP, Only AES-128-CBC | ||
| package ipsec | ||
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| import "github.com/intel-go/nff-go/examples/ipsec/crypto_mb" | ||
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| import "crypto/aes" | ||
| import "crypto/cipher" | ||
| import "crypto/hmac" | ||
| import "crypto/sha1" | ||
| import "hash" | ||
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| const VECTOR = 8 | ||
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| type SContext struct { | ||
| mac123 hash.Hash | ||
| modeEnc cipher.BlockMode | ||
| modeDec cipher.BlockMode | ||
| } | ||
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| type VContext struct { | ||
| mac123 crypto_mb.MultiHash | ||
| modeEnc crypto_mb.MultiBlockMode | ||
| modeDec crypto_mb.MultiBlockMode | ||
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| vectorEncryptionPart [][]byte | ||
| vectorIV [][]byte | ||
| vectorAuthPart [][]byte | ||
| vectorAuthPlace [][]byte | ||
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| s SContext | ||
| } | ||
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| type SetIVerM interface { | ||
| SetIV([][]byte) | ||
| } | ||
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| type SetIVer interface { | ||
| SetIV([]byte) | ||
| } | ||
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| func InitSContext() interface{} { | ||
| var auth123Key = []byte("qqqqqqqqqqqqqqqqqqqq") | ||
| var crypt123Key = []byte("AES128Key-16Char") | ||
| block123, _ := aes.NewCipher(crypt123Key) | ||
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| tempScalarIV := make([]byte, 16) | ||
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| n := new(SContext) | ||
| n.mac123 = hmac.New(sha1.New, auth123Key) | ||
| n.modeEnc = cipher.NewCBCEncrypter(block123, tempScalarIV) | ||
| n.modeDec = cipher.NewCBCDecrypter(block123, tempScalarIV) | ||
| return n | ||
| } | ||
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| func InitVContext() interface{} { | ||
| var auth123Key = []byte("qqqqqqqqqqqqqqqqqqqq") | ||
| var crypt123Key = []byte("AES128Key-16Char") | ||
| block123 := crypto_mb.NewAESMultiBlock(crypt123Key) | ||
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| tempVectorIV := make([][]byte, VECTOR, VECTOR) | ||
| for i := 0; i < VECTOR; i++ { | ||
| tempVectorIV[i] = make([]byte, 16) | ||
| } | ||
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| n := new(VContext) | ||
| n.mac123 = crypto_mb.NewHmac(crypto_mb.New, auth123Key) | ||
| n.modeEnc = crypto_mb.NewMultiCBCEncrypter(block123, tempVectorIV) | ||
| n.modeDec = crypto_mb.NewMultiCBCDecrypter(block123, tempVectorIV) | ||
| n.vectorEncryptionPart = make([][]byte, VECTOR, VECTOR) | ||
| n.vectorIV = make([][]byte, VECTOR, VECTOR) | ||
| n.vectorAuthPart = make([][]byte, VECTOR, VECTOR) | ||
| n.vectorAuthPlace = make([][]byte, VECTOR, VECTOR) | ||
| n.s = *InitSContext().(*SContext) | ||
| return n | ||
| } | ||
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| func (c SContext) Copy() interface{} { | ||
| return InitSContext() | ||
| } | ||
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| func (c VContext) Copy() interface{} { | ||
| return InitVContext() | ||
| } | ||
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| func (c SContext) Delete() { | ||
| } | ||
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| func (c VContext) Delete() { | ||
| } | ||
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| func Encrypt(EncryptionPart [][]byte, where [][]byte, IV [][]byte, Z uint, context *VContext) { | ||
| if Z != VECTOR { | ||
| for t := uint(0); t < Z; t++ { | ||
| context.s.modeEnc.(SetIVer).SetIV(IV[t]) | ||
| context.s.modeEnc.CryptBlocks(EncryptionPart[t], where[t]) | ||
| } | ||
| } else { | ||
| context.modeEnc.(SetIVerM).SetIV(IV[:]) | ||
| context.modeEnc.CryptManyBlocks(EncryptionPart, where) | ||
| } | ||
| } | ||
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| func Authenticate(AuthenticationPart [][]byte, where [][]byte, Z uint, context *VContext) { | ||
| if Z != VECTOR { | ||
| for t := uint(0); t < Z; t++ { | ||
| context.s.mac123.Reset() | ||
| context.s.mac123.Write(where[t]) | ||
| copy(where[t], context.s.mac123.Sum(nil)) | ||
| } | ||
| } else { | ||
| context.mac123.Reset() | ||
| context.mac123.Write(context.vectorAuthPart) | ||
| temp := context.mac123.Sum(nil) | ||
| for t := uint(0); t < VECTOR; t++ { | ||
| copy(where[t], temp[t]) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // Copyright 2019 Intel Corporation. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
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| package crypto_mb | ||
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| //TODO check cpuid | ||
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| type aes_x8 struct { | ||
| blockSize int | ||
| enc []uint32 | ||
| dec []uint32 | ||
| } | ||
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| func (this *aes_x8) BlockSize() int { | ||
| return this.blockSize | ||
| } | ||
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| func (this *aes_x8) VecSize() int { | ||
| return 8 | ||
| } | ||
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| //TODO accept number of blocks | ||
| func NewAESMultiBlock(key []byte) MultiBlock { | ||
| if len(key) != 16 { | ||
| // TODO return error? | ||
| panic("For now only 16-byte keys are supported") | ||
| } | ||
| n := len(key) + 28 | ||
| rounds := 10 | ||
| c := aes_x8{len(key), make([]uint32, n), make([]uint32, n)} | ||
| expandKeyAsm(rounds, &key[0], &c.enc[0], &c.dec[0]) | ||
| return &c | ||
| } | ||
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| // in aes.s | ||
| //go:noescape | ||
| func encrypt8BlocksAsm(xk *uint32, dst, src [][]byte) | ||
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| func (this *aes_x8) DecryptMany(dst, src [][]byte) { | ||
| panic("Not implemented yet") | ||
| } |
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