mirror of
https://github.com/gravitational/teleport
synced 2024-10-22 18:23:25 +00:00
630d2bf266
Update utils.CertChecker to only check key and certificate algorithms when in FIPS mode. Otherwise accept keys and certificates generated with any algorithm.
106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
/*
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Copyright 2019 Gravitational, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/rsa"
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"fmt"
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"golang.org/x/crypto/ssh"
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"github.com/gravitational/teleport"
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"gopkg.in/check.v1"
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)
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type CheckerSuite struct{}
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var _ = fmt.Printf
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var _ = check.Suite(&CheckerSuite{})
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// TestValidate checks what algorithm are supported in regular (non-FIPS) mode.
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func (s *CheckerSuite) TestValidate(c *check.C) {
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checker := CertChecker{}
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rsaKey, err := rsa.GenerateKey(rand.Reader, teleport.RSAKeySize)
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c.Assert(err, check.IsNil)
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smallRSAKey, err := rsa.GenerateKey(rand.Reader, 1024)
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c.Assert(err, check.IsNil)
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ellipticKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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c.Assert(err, check.IsNil)
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// 2048-bit RSA keys are valid.
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cryptoKey := rsaKey.Public()
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sshKey, err := ssh.NewPublicKey(cryptoKey)
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c.Assert(err, check.IsNil)
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err = checker.validate(sshKey)
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c.Assert(err, check.IsNil)
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// 1024-bit RSA keys are valid.
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cryptoKey = smallRSAKey.Public()
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sshKey, err = ssh.NewPublicKey(cryptoKey)
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c.Assert(err, check.IsNil)
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err = checker.validate(sshKey)
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c.Assert(err, check.IsNil)
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// ECDSA keys are valid.
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cryptoKey = ellipticKey.Public()
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sshKey, err = ssh.NewPublicKey(cryptoKey)
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c.Assert(err, check.IsNil)
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err = checker.validate(sshKey)
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c.Assert(err, check.IsNil)
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}
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// TestValidate makes sure the public key is a valid algorithm
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// that Teleport supports while in FIPS mode.
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func (s *CheckerSuite) TestValidateFIPS(c *check.C) {
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checker := CertChecker{
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FIPS: true,
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}
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rsaKey, err := rsa.GenerateKey(rand.Reader, teleport.RSAKeySize)
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c.Assert(err, check.IsNil)
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smallRSAKey, err := rsa.GenerateKey(rand.Reader, 1024)
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c.Assert(err, check.IsNil)
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ellipticKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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c.Assert(err, check.IsNil)
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// 2048-bit RSA keys are valid.
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cryptoKey := rsaKey.Public()
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sshKey, err := ssh.NewPublicKey(cryptoKey)
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c.Assert(err, check.IsNil)
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err = checker.validate(sshKey)
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c.Assert(err, check.IsNil)
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// 1024-bit RSA keys are not valid.
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cryptoKey = smallRSAKey.Public()
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sshKey, err = ssh.NewPublicKey(cryptoKey)
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c.Assert(err, check.IsNil)
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err = checker.validate(sshKey)
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c.Assert(err, check.NotNil)
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// ECDSA keys are not valid.
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cryptoKey = ellipticKey.Public()
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sshKey, err = ssh.NewPublicKey(cryptoKey)
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c.Assert(err, check.IsNil)
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err = checker.validate(sshKey)
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c.Assert(err, check.NotNil)
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}
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