diff options
author | Christian Pointner <equinox@anytun.org> | 2017-09-15 08:14:38 +0200 |
---|---|---|
committer | Christian Pointner <equinox@anytun.org> | 2017-09-15 08:14:38 +0200 |
commit | 701cee620335ac3157d1aa6254be772498b2ab07 (patch) | |
tree | 067f98eac51b279fc72b30f3f51c7b71f5d114d6 /satp | |
parent | some more tests (diff) |
added some interfaces and a skeleton squence window
Diffstat (limited to 'satp')
-rw-r--r-- | satp/crypto-kd.go | 55 | ||||
-rw-r--r-- | satp/crypto-transport.go | 36 | ||||
-rw-r--r-- | satp/sequence-window.go | 61 |
3 files changed, 152 insertions, 0 deletions
diff --git a/satp/crypto-kd.go b/satp/crypto-kd.go new file mode 100644 index 0000000..208c4a9 --- /dev/null +++ b/satp/crypto-kd.go @@ -0,0 +1,55 @@ +// +// Copyright (c) 2017 anygone contributors (see AUTHORS file) +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// * Redistributions of source code must retain the above copyright notice, this +// list of conditions and the following disclaimer. +// +// * Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// +// * Neither the name of anygone nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + +package satp + +type KeyDirection int +type KeyUsage int +type Label uint32 + +const ( + KeyLeft KeyDirection = iota + KeyRight + + Encrypt KeyUsage = iota + Salt + Auth + + LabelLeftEncrypt = 0x356A192B + LabelRightEncrypt = 0xDA4B9237 + LabelLeftSalt = 0x77DE68DA + LabelRightSalt = 0x1B645389 + LabelLeftAuth = 0xAC3478D6 + LabelRightAuth = 0xC1DFD96E +) + +type KeyDerivation interface { + Generate(dir KeyDirection, usage KeyUsage, sequenceNumber uint32) ([]byte, error) +} diff --git a/satp/crypto-transport.go b/satp/crypto-transport.go new file mode 100644 index 0000000..56377da --- /dev/null +++ b/satp/crypto-transport.go @@ -0,0 +1,36 @@ +// +// Copyright (c) 2017 anygone contributors (see AUTHORS file) +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// * Redistributions of source code must retain the above copyright notice, this +// list of conditions and the following disclaimer. +// +// * Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// +// * Neither the name of anygone nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + +package satp + +type TransportCrypto interface { + EncryptAndAuthenticate() error + VerifyAndDecrypt() error +} diff --git a/satp/sequence-window.go b/satp/sequence-window.go new file mode 100644 index 0000000..c74ca62 --- /dev/null +++ b/satp/sequence-window.go @@ -0,0 +1,61 @@ +// +// Copyright (c) 2017 anygone contributors (see AUTHORS file) +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// * Redistributions of source code must retain the above copyright notice, this +// list of conditions and the following disclaimer. +// +// * Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// +// * Neither the name of anygone nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + +package satp + +import ( + "errors" +) + +type SequenceWindow struct { + size int +} + +func (w *SequenceWindow) Check(sequenceNumber uint32) (bool, error) { + if w.size == 0 { + return false, nil + } + return false, nil +} + +func (w *SequenceWindow) CheckAndSet(sequenceNumber uint32) (bool, error) { + if w.size == 0 { + return false, nil + } + return false, nil +} + +func NewSequenceWindow(size int) (w *SequenceWindow, err error) { + if size < 0 { + return nil, errors.New("invalid sequence window size") + } + w = &SequenceWindow{size: size} + return +} |