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crypto/x509: remove x509sha1 GODEBUG 

Fixes #41682

Change-Id: I37760f2186e75ec7df9674db25ae466cf453d66d
Reviewed-on: https://go-review.googlesource.com/c/go/+/629676
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
This commit is contained in:
Roland Shoemaker 2024-11-19 11:34:19 -08:00
parent c901d93fcd
commit 7c7170e939
7 changed files with 134 additions and 352 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
doc/godebug.md
View File

@ -188,6 +188,9 @@ calling into Go code from C will enable DIT, and disable it before returning to
C if it was not enabled when Go code was entered.
This currently only affects arm64 programs. For all other platforms it is a no-op.
Go 1.24 removed the `x509sha1` setting. `crypto/x509` no longer supports verifying
signatures on certificates that use SHA-1 based signature algorithms.
### Go 1.23
Go 1.23 changed the channels created by package time to be unbuffered

1
src/crypto/x509/root_unix_test.go
View File

@ -151,7 +151,6 @@ func TestLoadSystemCertsLoadColonSeparatedDirs(t *testing.T) {
rootPEMs := []string{
gtsRoot,
googleLeaf,
startComRoot,
}
var certDirs []string

449
src/crypto/x509/verify_test.go
View File

@ -134,45 +134,6 @@ var verifyTests = []verifyTest{
// entry so the results don't match.
systemLax: true,
},
{
name: "dnssec-exp",
leaf: dnssecExpLeaf,
intermediates: []string{startComIntermediate},
roots: []string{startComRoot},
currentTime: 1302726541,
// The StartCom root is not trusted by Windows when the default
// ServerAuth EKU is requested.
systemSkip: true,
expectedChains: [][]string{
{"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"},
},
},
{
name: "dnssec-exp/AnyEKU",
leaf: dnssecExpLeaf,
intermediates: []string{startComIntermediate},
roots: []string{startComRoot},
currentTime: 1302726541,
keyUsages: []ExtKeyUsage{ExtKeyUsageAny},
expectedChains: [][]string{
{"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"},
},
},
{
name: "dnssec-exp/RootInIntermediates",
leaf: dnssecExpLeaf,
intermediates: []string{startComIntermediate, startComRoot},
roots: []string{startComRoot},
currentTime: 1302726541,
systemSkip: true, // see dnssec-exp test
expectedChains: [][]string{
{"dnssec-exp", "StartCom Class 1", "StartCom Certification Authority"},
},
},
{
name: "InvalidHash",
leaf: googleLeafWithInvalidHash,
@ -227,15 +188,15 @@ var verifyTests = []verifyTest{
leaf: nameConstraintsLeaf,
intermediates: []string{nameConstraintsIntermediate1, nameConstraintsIntermediate2},
roots: []string{globalSignRoot},
currentTime: 1382387896,
dnsName: "secure.iddl.vt.edu",
currentTime: 1524771953,
dnsName: "udctest.ads.vt.edu",
expectedChains: [][]string{
{
"Technology-enhanced Learning and Online Strategies",
"udctest.ads.vt.edu",
"Virginia Tech Global Qualified Server CA",
"Trusted Root CA G2",
"GlobalSign Root CA",
"Trusted Root CA SHA256 G2",
"GlobalSign",
},
},
},
@ -552,10 +513,6 @@ func testVerify(t *testing.T, test verifyTest, useSystemRoots bool) {
}
func TestGoVerify(t *testing.T) {
// Temporarily enable SHA-1 verification since a number of test chains
// require it. TODO(filippo): regenerate test chains.
t.Setenv("GODEBUG", "x509sha1=1")
for _, test := range verifyTests {
t.Run(test.name, func(t *testing.T) {
testVerify(t, test, false)
@ -724,128 +681,6 @@ c78zEqNswn6xGKXpWF5xVwdFcsx9HKhJ6UAi2bQ/KQ1yb7LPUOR6wXXWrG1cLnNP
i8eNLnKL9PXQ+5SwJFCzfEhcIZuhzg==
-----END CERTIFICATE-----`
const dnssecExpLeaf = `-----BEGIN CERTIFICATE-----
MIIGzTCCBbWgAwIBAgIDAdD6MA0GCSqGSIb3DQEBBQUAMIGMMQswCQYDVQQGEwJJ
TDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0
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A1UdDwQEAwIDqDATBgNVHSUEDDAKBggrBgEFBQcDATAdBgNVHQ4EFgQUy04I5guM
drzfh2JQaXhgV86+4jUwHwYDVR0jBBgwFoAU60I00Jiwq5/0G2sI98xkLu8OLEUw
LQYDVR0RBCYwJIISd3d3LmRuc3NlYy1leHAub3Jngg5kbnNzZWMtZXhwLm9yZzCC
AUIGA1UdIASCATkwggE1MIIBMQYLKwYBBAGBtTcBAgIwggEgMC4GCCsGAQUFBwIB
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cnRDb20gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkgUG9saWN5IGF2YWlsYWJsZSBh
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c3ViL2NsYXNzMS9zZXJ2ZXIvY2EwQgYIKwYBBQUHMAKGNmh0dHA6Ly93d3cuc3Rh
cnRzc2wuY29tL2NlcnRzL3N1Yi5jbGFzczEuc2VydmVyLmNhLmNydDAjBgNVHRIE
HDAahhhodHRwOi8vd3d3LnN0YXJ0c3NsLmNvbS8wDQYJKoZIhvcNAQEFBQADggEB
ACXj6SB59KRJPenn6gUdGEqcta97U769SATyiQ87i9er64qLwvIGLMa3o2Rcgl2Y
kghUeyLdN/EXyFBYA8L8uvZREPoc7EZukpT/ZDLXy9i2S0jkOxvF2fD/XLbcjGjM
iEYG1/6ASw0ri9C0k4oDDoJLCoeH9++yqF7SFCCMcDkJqiAGXNb4euDpa8vCCtEQ
CSS+ObZbfkreRt3cNCf5LfCXe9OsTnCfc8Cuq81c0oLaG+SmaLUQNBuToq8e9/Zm
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Qibb2+CfKuQ+WFV1GkVQmVA=
-----END CERTIFICATE-----`
const startComIntermediate = `-----BEGIN CERTIFICATE-----
MIIGNDCCBBygAwIBAgIBGDANBgkqhkiG9w0BAQUFADB9MQswCQYDVQQGEwJJTDEW
MBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0YWwg
Q2VydGlmaWNhdGUgU2lnbmluZzEpMCcGA1UEAxMgU3RhcnRDb20gQ2VydGlmaWNh
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gFYfka7hh/oyULTTRwbw5gdfcA4Q9x3AzhA2NIVaD5Ksg8asWFI/ujjo/OenJOJA
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kvek3AowHpNz/gfK11+AnSJYUq4G2ouHI2mw5CrY6oPSvfNx23BaKA+vWjhwRRI/
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VR0OBBYEFOtCNNCYsKuf9BtrCPfMZC7vDixFMB8GA1UdIwQYMBaAFE4L7xqkQFul
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dy5zdGFydHNzbC5jb20vc2ZzY2EuY3JsMCegJaAjhiFodHRwOi8vY3JsLnN0YXJ0
c3NsLmNvbS9zZnNjYS5jcmwwgYAGA1UdIAR5MHcwdQYLKwYBBAGBtTcBAgEwZjAu
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LnBkZjANBgkqhkiG9w0BAQUFAAOCAgEAIQlJPqWIbuALi0jaMU2P91ZXouHTYlfp
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xk+PNdb01m4Ge90h2c9W/8swIkn+iQTzheWq8ecf6HWQTd35RvdCNPdFWAwRDYSw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-----END CERTIFICATE-----`
const startComRoot = `-----BEGIN CERTIFICATE-----
MIIHyTCCBbGgAwIBAgIBATANBgkqhkiG9w0BAQUFADB9MQswCQYDVQQGEwJJTDEW
MBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0YWwg
Q2VydGlmaWNhdGUgU2lnbmluZzEpMCcGA1UEAxMgU3RhcnRDb20gQ2VydGlmaWNh
dGlvbiBBdXRob3JpdHkwHhcNMDYwOTE3MTk0NjM2WhcNMzYwOTE3MTk0NjM2WjB9
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bGFibGUgYXQgaHR0cDovL2NlcnQuc3RhcnRjb20ub3JnL3BvbGljeS5wZGYwEQYJ
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ewT4F+irsfMuXGRuczE6Eri8sxHkfY+BUZo7jYn0TZNmezwD7dOaHZrzZVD1oNB1
ny+v8OqCQ5j4aZyJecRDjkZy42Q2Eq/3JR44iZB3fsNrarnDy0RLrHiQi+fHLB5L
EUTINFInzQpdn4XBidUaePKVEFMy3YCEZnXZtWgo+2EuvoSoOMCZEoalHmdkrQYu
L6lwhceWD3yJZfWOQ1QOq92lgDmUYMA0yZZwLKMS9R9Ie70cfmu3nZD0Ijuu+Pwq
yvqCUqDvr0tVk+vBtfAii6w0TiYiBKGHLHVKt+V9E9e4DGTANtLJL4YSjCMJwRuC
O3NJo2pXh5Tl1njFmUNj403gdy3hZZlyaQQaRwnmDwFWJPsfvw55qVguucQJAX6V
um0ABj6y6koQOdjQK/W/7HW/lwLFCRsI3FU34oH7N4RDYiDK51ZLZer+bMEkkySh
NOsF/5oirpt9P/FlUQqmMGqz9IgcgA38corog14=
-----END CERTIFICATE-----`
const smimeLeaf = `-----BEGIN CERTIFICATE-----
MIIIPDCCBiSgAwIBAgIQaMDxFS0pOMxZZeOBxoTJtjANBgkqhkiG9w0BAQsFADCB
nTELMAkGA1UEBhMCRVMxFDASBgNVBAoMC0laRU5QRSBTLkEuMTowOAYDVQQLDDFB
@ -971,168 +806,136 @@ QyYBNWNgVYkDOnXYukrZVP/u3oDYLdE41V4tC5h9Pmzb/CaIxw==
-----END CERTIFICATE-----`
var nameConstraintsLeaf = `-----BEGIN CERTIFICATE-----
MIIHMTCCBRmgAwIBAgIIIZaV/3ezOJkwDQYJKoZIhvcNAQEFBQAwgcsxCzAJBgNV
BAYTAlVTMREwDwYDVQQIEwhWaXJnaW5pYTETMBEGA1UEBxMKQmxhY2tzYnVyZzEj
MCEGA1UECxMaR2xvYmFsIFF1YWxpZmllZCBTZXJ2ZXIgQ0ExPDA6BgNVBAoTM1Zp
cmdpbmlhIFBvbHl0ZWNobmljIEluc3RpdHV0ZSBhbmQgU3RhdGUgVW5pdmVyc2l0
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EwJVUzERMA8GA1UECAwIVmlyZ2luaWExEzARBgNVBAcMCkJsYWNrc2J1cmcxPDA6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-----END CERTIFICATE-----`
var nameConstraintsIntermediate1 = `-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----`
var nameConstraintsIntermediate2 = `-----BEGIN CERTIFICATE-----
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tbbg0zMm3kyfQITRusMSg6IBsDJqOnjaiaKQRcXiD0Sk43ZXb2bUKMxC7+Td3QL4
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hcC8roQwkHT7HvfYBoc74FM=
MIIEXDCCA0SgAwIBAgILBAAAAAABNumCOV0wDQYJKoZIhvcNAQELBQAwTDEgMB4G
A1UECxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNp
Z24xEzARBgNVBAMTCkdsb2JhbFNpZ24wHhcNMTIwNDI1MTEwMDAwWhcNMjcwNDI1
MTEwMDAwWjBjMQswCQYDVQQGEwJCRTEVMBMGA1UECxMMVHJ1c3RlZCBSb290MRkw
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Q0EgU0hBMjU2IEcyMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz80+
/Q2PAhLuYwe04YTLBLGKr1/JScHtDvAY5E94GjGxCbSR1/1VhL880UPJyN85tddO
oxZPgtIyZixDvvK+CgpT5webyBBbqK/ap7aoByghAJ7X520XZMRwKA6cEWa6tjCL
WH1zscxQxGzgtV50rn2ux2SapoCPxMpM4+tpEVwWJf3KP3NT+jd9GRaXWgNei5JK
Quo9l+cZkSeuoWijvaer5hcLCufPywMMQd0r6XXIM/l7g9DjMaE24d+fa2bWxQXC
8WT/PZ+D1KUEkdtn/ixADqsoiIibGn7M84EE9/NLjbzPrwROlBUJFz6cuw+II0rZ
8OFFeZ/OkHHYZq2h9wIDAQABo4IBJjCCASIwDgYDVR0PAQH/BAQDAgEGMA8GA1Ud
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dHBzOi8vd3d3Lmdsb2JhbHNpZ24uY29tL3JlcG9zaXRvcnkvMB0GA1UdDgQWBBTI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-----END CERTIFICATE-----`
var globalSignRoot = `-----BEGIN CERTIFICATE-----
MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkG
A1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jv
b3QgQ0ExGzAZBgNVBAMTEkdsb2JhbFNpZ24gUm9vdCBDQTAeFw05ODA5MDExMjAw
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HMUfpIBvFSDJ3gyICh3WZlXi/EjJKSZp4A==
MIIDXzCCAkegAwIBAgILBAAAAAABIVhTCKIwDQYJKoZIhvcNAQELBQAwTDEgMB4G
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hvcNAQEBBQADggEPADCCAQoCggEBAMwldpB5BngiFvXAg7aEyiie/QV2EcWtiHL8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-----END CERTIFICATE-----`
const digicertRoot = `-----BEGIN CERTIFICATE-----

19
src/crypto/x509/x509.go
View File

@ -799,18 +799,10 @@ var ErrUnsupportedAlgorithm = errors.New("x509: cannot verify signature: algorit
// An InsecureAlgorithmError indicates that the [SignatureAlgorithm] used to
// generate the signature is not secure, and the signature has been rejected.
//
// To temporarily restore support for SHA-1 signatures, include the value
// "x509sha1=1" in the GODEBUG environment variable. Note that this option will
// be removed in a future release.
type InsecureAlgorithmError SignatureAlgorithm
func (e InsecureAlgorithmError) Error() string {
var override string
if SignatureAlgorithm(e) == SHA1WithRSA || SignatureAlgorithm(e) == ECDSAWithSHA1 {
override = " (temporarily override with GODEBUG=x509sha1=1)"
}
return fmt.Sprintf("x509: cannot verify signature: insecure algorithm %v", SignatureAlgorithm(e)) + override
return fmt.Sprintf("x509: cannot verify signature: insecure algorithm %v", SignatureAlgorithm(e))
}
// ConstraintViolationError results when a requested usage is not permitted by
@ -887,8 +879,6 @@ func signaturePublicKeyAlgoMismatchError(expectedPubKeyAlgo PublicKeyAlgorithm,
return fmt.Errorf("x509: signature algorithm specifies an %s public key, but have public key of type %T", expectedPubKeyAlgo.String(), pubKey)
}
var x509sha1 = godebug.New("x509sha1")
// checkSignature verifies that signature is a valid signature over signed from
// a crypto.PublicKey.
func checkSignature(algo SignatureAlgorithm, signed, signature []byte, publicKey crypto.PublicKey, allowSHA1 bool) (err error) {
@ -911,12 +901,9 @@ func checkSignature(algo SignatureAlgorithm, signed, signature []byte, publicKey
case crypto.MD5:
return InsecureAlgorithmError(algo)
case crypto.SHA1:
// SHA-1 signatures are mostly disabled. See go.dev/issue/41682.
// SHA-1 signatures are only allowed for CRLs and CSRs.
if !allowSHA1 {
if x509sha1.Value() != "1" {
return InsecureAlgorithmError(algo)
}
x509sha1.IncNonDefault()
return InsecureAlgorithmError(algo)
}
fallthrough
default:

9
src/crypto/x509/x509_test.go
View File

@ -1817,8 +1817,8 @@ func TestInsecureAlgorithmErrorString(t *testing.T) {
want string
}{
{MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"},
{SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA (temporarily override with GODEBUG=x509sha1=1)"},
{ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1 (temporarily override with GODEBUG=x509sha1=1)"},
{SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA"},
{ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1"},
{MD2WithRSA, "x509: cannot verify signature: insecure algorithm 1"},
{-1, "x509: cannot verify signature: insecure algorithm -1"},
{0, "x509: cannot verify signature: insecure algorithm 0"},
@ -1899,11 +1899,6 @@ func TestSHA1(t *testing.T) {
if _, ok := err.(InsecureAlgorithmError); !ok {
t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
}
t.Setenv("GODEBUG", "x509sha1=1")
if err = cert.CheckSignatureFrom(cert); err != nil {
t.Fatalf("SHA-1 certificate did not verify with GODEBUG=x509sha1=1: %v", err)
}
}
// certMissingRSANULL contains an RSA public key where the AlgorithmIdentifier

1
src/internal/godebugs/table.go
View File

@ -61,7 +61,6 @@ var All = []Info{
{Name: "winsymlink", Package: "os", Changed: 22, Old: "0"},
{Name: "x509keypairleaf", Package: "crypto/tls", Changed: 23, Old: "0"},
{Name: "x509negativeserial", Package: "crypto/x509", Changed: 23, Old: "1"},
{Name: "x509sha1", Package: "crypto/x509"},
{Name: "x509usefallbackroots", Package: "crypto/x509"},
{Name: "x509usepolicies", Package: "crypto/x509"},
{Name: "zipinsecurepath", Package: "archive/zip"},

4
src/runtime/metrics/doc.go
View File

@ -358,10 +358,6 @@ Below is the full list of supported metrics, ordered lexicographically.
package due to a non-default GODEBUG=x509negativeserial=...
setting.
/godebug/non-default-behavior/x509sha1:events
The number of non-default behaviors executed by the crypto/x509
package due to a non-default GODEBUG=x509sha1=... setting.
/godebug/non-default-behavior/x509usefallbackroots:events
The number of non-default behaviors executed by the crypto/x509
package due to a non-default GODEBUG=x509usefallbackroots=...