snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

testdata/spiffe_end2end/README.md

@@ -0,0 +1,38 @@
+All of the following files in this directory except `server_spiffebundle.json`
+and `client_spiffebundle.json` are generated with the `generate.sh` and
+`intermediate_gen.sh` script in this directory.
+
+These comprise a root trust certificate authority (CA) that signs two
+certificates - `client_spiffe.pem` and `server_spiffe.pem`. These are valid
+SPIFFE certificates (via the configuration in `spiffe-openssl.cnf`), and the
+`*_spiffebundle.json` files are SPIFFE Bundle Maps for the client and server
+respectively.
+
+The SPIFFE trust bundle map files (`*_spiffebundle.json`) are manually created
+for end to end testing. The `server_spiffebundle.json` contains the
+`foo.bar.com` trust domain (only this entry is used in e2e tests) matching URI
+SAN of `client_spiffe.pem`, and the CA certificate is `ca.pem`. The client
+`spiffebundle.json` file contains `example.com` trust domain matching the URI
+SAN of `server_spiffe.pem`, and the CA certificate there is also `ca.pem`.
+
+`leaf_and_intermediate_chain.pem` is a certificate chain whose leaf is a valid
+SPIFFE cert that is signed by an intermediate CA (`intermediate_ca.pem`). The
+intermediate CA is signed by the root CA (`ca.pem`). Thus, this setup yields a
+valid chain to the root of trust `ca.pem`.
+
+If updating these files, the `x5c` field in the json is the raw PEM CA
+certificate and can be copy pasted from the certificate file `ca.pem`. `n` and
+`e` are values from the public key attached to this certificate. `e` should
+*probably* be `AQAB` as it is the exponent. `n` can be fetched from the
+certificate by getting the RSA key from the cert and extracting the value. This
+can be done in golang with the following codeblock:
+
+```
+func GetBase64ModulusFromPublicKey(key *rsa.PublicKey) string {
+    return base64.RawURLEncoding.EncodeToString(key.N.Bytes())
+}
+
+block, _ := pem.Decode(rawPemCert) cert, _ := x509.ParseCertificate(block.Bytes)
+publicKey := cert.PublicKey.(*rsa.PublicKey)
+fmt.Println(GetBase64ModulusFromPublicKey(publicKey))
+```

testdata/spiffe_end2end/ca.key

@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
+MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDZRezL1GWM/0um
+gcLNGI9fsp0sabLUN1rUTwXjCGHvGAt9cPY1xK6P6+/QXeBkYogmwC3Udhwl+8x3
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+Aeg7XO00VokrvZnK07mZ2nNyp4z1yCV4fwWCdBMfFfUSm0EgN8D65JxGj1He5bm4
+LVv6WuWj+cqgAzRhHjp8iZsmLFKvAoXSg1eJ+mG8vw5P9ZVd38M8N2DtifvmCkE1
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+8O5N+5k+puYxNO1rF0RfecZZX78sro3Lt9GcmBMgxEGoJCFSHWyU+J434VG19cMp
+/1ulRuSofInph/BRmZ+XYzCZXYXCOW3vXRV6X7PZlWok3ZOwj59BGlSemrizaRLe
+9L9StqQJmv2Rvwq8g2PQkW4qhgLuN8/zBFAdBgMGopfPyLxaMQt5bEUPTuNdunGV
+OwKCAQEA9GEIEXos7dTzp68cqytYN/SeiuRgHgtvi2zDlD1HUL/7V3c192NBgAR1
+tPfR/Gl9TrKZox45sHvUCyt395aqB7fpSkmJBBtPmqXkX//E7wtjWiry/TSAjYVP
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+vmWw2Uw4DH8zFu1I9deCqW6ilOly7w==
+-----END PRIVATE KEY-----

testdata/spiffe_end2end/ca.pem

@@ -0,0 +1,32 @@
+-----BEGIN CERTIFICATE-----
+MIIFlTCCA32gAwIBAgIUZ4e1KRtWw0c8V5NnA9VEoUMvzq4wDQYJKoZIhvcNAQEL
+BQAwWjELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAlZBMSEwHwYDVQQKDBhJbnRlcm5l
+dCBXaWRnaXRzIFB0eSBMdGQxGzAZBgNVBAMMEmZvby5iYXIuaG9vLmNhLmNvbTAe
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+OkWKdKMUnXPgDKLyu/e1WQXCXmyTjv8FEiG2Ni8U4P0c2PldooYVjw4=
+-----END CERTIFICATE-----

testdata/spiffe_end2end/client.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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++7kTjKAkAwKBgQCAYmZye2G0+zl3tNWLUUp0SlpyME3uA3Rpam2vhgVJZhW+5udH
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+ytww0tTsZiLUIzk3uc07xmtz5gjLYU1tDIiYp/0NczAcpCGafjgyrQjioWJOwyVf
+QaOOViYt5HJuEby7Cr/7l1+mgV7k8EnyR0HYA536vVgcAjRyjwocMbWO1Qq92SHn
+8nQkAjI6UP/NRMPep/MIyPHa6XwUKnNZ8LOno8TlAoGAYGlDV2mbgTLKbIyXfKhe
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+BZkmGzRHiSn/ykKY792ujN7iodjjuR2644e1FdDGCOJVH9erh+H7lwI6v2om32Rf
+W4GdaqQ/t7TaabJqPPtLBFs=
+-----END PRIVATE KEY-----

testdata/spiffe_end2end/client_spiffe.pem

@@ -0,0 +1,28 @@
+-----BEGIN CERTIFICATE-----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+RJehfP/3pX8grzezk/PmohG8NiPx0Zwy9Huqf9BV5VG1iRwF1DJmbj2VV59jTuLa
+B6LNWVDwmToI3nVCedM4pTLGEKIvtKEMZQserR/FrN9WEHG3nU2SnS1jqTRVu+lv
+69sOtkenXs51X6YzyRvY/MD+b78JuyuFu9/33Tzn+mJ82CBWuGspKveWanwKsYZp
+N5XXPNLF6YWO8MfcX9ephjQXguPxmavoWno/QDmPuZzAwX6T9MqvNKk6aK8hdQfU
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+F1fy8ORBFLSqwmqCuTjt0rF2dqMUDiV7EVRzg8ACWB4gCoSAZhT1/uIkO452Tasa
+zF5c29bWo1TCe8lJ2QkFBxZyVTPwJU1uIMhWUHrykqaO6oueZZFp+qLK9HevTqjd
+5Cp4OzdemWyhQhk8u30sNUM0u+Elk125BnGkuBr6DH3AbKP5JK1gtyWGt/6CfDR/
+iBG18B7aQEEb46vmLd4EsgLnwssOir1+t/IBFQ0cXsuqQekuez1GqA9+IQfcg028
+lrjLvMejJjfofvIUmQ5R5IgZX1xThb2kM05CifJANceu2sORxieefVC6izDc3gOB
+2cRdNb9kp9E89P7FnBkku+9Y
+-----END CERTIFICATE-----

testdata/spiffe_end2end/client_spiffebundle.json

@@ -0,0 +1,16 @@
+{
+  "trust_domains": {
+    "example.com": {
+      "spiffe_sequence": 12035488,
+      "keys": [
+        {
+          "kty": "RSA",
+          "use": "x509-svid",
+          "x5c": ["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"],
+          "n": "2UXsy9RljP9LpoHCzRiPX7KdLGmy1Dda1E8F4whh7xgLfXD2NcSuj-vv0F3gZGKIJsAt1HYcJfvMdwDrthSj_UHr3lvoQeDd0grWOA_pxsT1py9WI4dNe9LZFUT5IfPcD1-F3bQHCIGY4zYDx_cEd3lh_BN3A0b8Y6LMuHvWsNP1Ux29JWdiqOpmPMdmyTRVBMZrodee2__8h3XC_DtStYdd6OmEqkpZy5p2kh6RwOf9tXq0o7MxN2Y4j2RUenJf0Q46SUSq4f3kAAHoO1ztNFaJK72ZytO5mdpzcqeM9cgleH8FgnQTHxX1EptBIDfA-uScRo9R3uW5uC1b-lrlo_nKoAM0YR46fImbJixSrwKF0oNXifphvL8OT_WVXd_DPDdg7Yn75gpBNX5Z_OKEI-NsA4DULsEmn2xkCITWK57IG3_tpTY-SCGJv0nFHHsW5gpisjmXzXFUDQBdur0Dr4mwQzhcg1tqnYtrSBiYEz4ZCT2w6iiceFKjcSLqGptvD4n5iudQp-Iva1jqUNpzOyRl9UNyBOkuYmlZ6IKdvkkodz4ZLcUDivSFF-8rF_XlUAHTfJZyoGiGbsmDsfR_Y1lWpWf3Qi2tmPwbhbJceDUVS7aCZFCGpHU3qaPN2a60rN3OA0hCCSZIFTwZgZLmt0XWAdQsPgPE9AvJ7xMciW8",
+          "e": "AQAB"
+        }
+      ]
+    }
+  }
+}

testdata/spiffe_end2end/generate.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Generate client/server self signed CAs and certs.
+openssl req -x509 -newkey rsa:4096 -keyout ca.key -out ca.pem -days 3650 -nodes -subj "/C=US/ST=VA/O=Internet Widgits Pty Ltd/CN=foo.bar.hoo.ca.com"
+
+# The SPIFFE related extensions are listed in spiffe-openssl.cnf config. Both
+# client_spiffe.pem and server_spiffe.pem are generated in the same way with
+# original client.pem and server.pem but with using that config. Here are the
+# exact commands (we pass "-subj" as argument in this case):
+openssl genrsa -out client.key.rsa 2048
+openssl pkcs8 -topk8 -in client.key.rsa -out client.key -nocrypt
+openssl req -new -key client.key -out spiffe-cert.csr \
+ -subj /C=US/ST=CA/L=SVL/O=gRPC/CN=testclient/ \
+ -config spiffe-openssl.cnf -reqexts spiffe_client_e2e
+openssl x509 -req -CA ca.pem -CAkey ca.key -CAcreateserial \
+ -in spiffe-cert.csr -out client_spiffe.pem -extensions spiffe_client_e2e \
+  -extfile spiffe-openssl.cnf -days 3650 -sha256
+
+openssl genrsa -out server.key.rsa 2048
+openssl pkcs8 -topk8 -in server.key.rsa -out server.key -nocrypt
+openssl req -new -key server.key -out spiffe-cert.csr \
+ -subj "/C=US/ST=CA/L=SVL/O=gRPC/CN=*.test.google.com/" \
+ -config spiffe-openssl.cnf -reqexts spiffe_server_e2e
+openssl x509 -req -CA ca.pem -CAkey ca.key -CAcreateserial \
+ -in spiffe-cert.csr -out server_spiffe.pem -extensions spiffe_server_e2e \
+  -extfile spiffe-openssl.cnf -days 3650 -sha256
+
+rm *.rsa
+rm *.csr
+rm *.srl

testdata/spiffe_end2end/intermediate.cnf

@@ -0,0 +1,38 @@
+[ca]
+default_ca = CA_intermediate
+
+[CA_intermediate]
+dir               = .
+certs             = $dir/certs
+crl_dir           = $dir/crl
+new_certs_dir     = $dir/newcerts
+database          = $dir/index.txt
+serial            = $dir/serial
+RANDFILE          = $dir/private/.rand
+private_key = $dir/intermediate_ca.key
+certificate = $dir/intermediate_ca.pem
+crl = $dir/intermediate.crl
+
+# For certificate revocation lists.
+crlnumber         = $dir/crlnumber
+crl               = $dir/crl/intermediate.crl
+crl_extensions    = crl_ext
+default_crl_days  = 3650
+
+default_md = sha256
+
+[req]
+distinguished_name = req_distinguished_name
+req_extensions = v3_req
+prompt = no
+
+[req_distinguished_name]
+CN = intermediatecert.example.com
+
+[crl_ext]
+authorityKeyIdentifier=keyid:always
+
+[v3_req]
+keyUsage = critical, digitalSignature, keyEncipherment, keyCertSign, cRLSign
+extendedKeyUsage = clientAuth, serverAuth
+basicConstraints = critical, CA:true

testdata/spiffe_end2end/intermediate_ca.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+3U8loiYVh5o9Uxzs5CHgRRNpLJwxlTEnctQCgIEJP5H0HxpP+6RomutAfkqCC8wp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+-----END PRIVATE KEY-----

testdata/spiffe_end2end/intermediate_ca.pem

@@ -0,0 +1,27 @@
+-----BEGIN CERTIFICATE-----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+e1wZklsJ/Vyu2L4y2hCWvmAG1NBJgE6AhQMpM9McbcKs4012VZczfV0xUIo1wD7c
+ccvhlz7KSIppAnXrvCrahCpv/vmpWnSExTuYmohW+LCvFSO89eSryfIQ+xHEb7Ck
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+04JeL1n3Sl8r6mJJMJLzn1YAqDgM4Gt9W9corJFPCm2XnfUGjC/rDM7ACQYic8II
+J9QTW19kU+UwDdBp1lX+hb8AbA4otBM=
+-----END CERTIFICATE-----

testdata/spiffe_end2end/intermediate_gen.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+# Copyright 2025 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e
+
+# Meant to be run from testdata/spiffe_end2end/
+# Sets up an intermediate ca, generates certificates, then copies then up and deletes unnecessary files
+
+rm -rf intermediate_ca
+mkdir intermediate_ca
+cp intermediate.cnf intermediate_ca/
+cp spiffe-openssl.cnf intermediate_ca/
+pushd intermediate_ca
+
+# Generating the intermediate CA
+openssl genrsa -out temp.rsa 2048
+openssl pkcs8 -topk8 -in temp.rsa -out intermediate_ca.key -nocrypt
+rm temp.rsa
+openssl req -key intermediate_ca.key -new -out temp.csr -config intermediate.cnf
+openssl x509 -req -days 3650 -in temp.csr -CA "../ca.pem" -CAkey "../ca.key" -CAcreateserial -out intermediate_ca.pem -extfile intermediate.cnf  -extensions 'v3_req'
+
+# Generating the leaf and chain
+openssl genrsa -out temp.rsa 2048
+openssl pkcs8 -topk8 -in temp.rsa -out leaf_signed_by_intermediate.key -nocrypt
+openssl req -new -key leaf_signed_by_intermediate.key -out spiffe-cert.csr \
+ -subj /C=US/ST=CA/L=SVL/O=gRPC/CN=testserver/ \
+ -config spiffe-openssl.cnf -reqexts spiffe_server_e2e
+openssl x509 -req -CA intermediate_ca.pem -CAkey intermediate_ca.key -CAcreateserial \
+ -in spiffe-cert.csr -out leaf_signed_by_intermediate.pem -extensions spiffe_server_e2e \
+  -extfile spiffe-openssl.cnf -days 3650 -sha256
+cat leaf_signed_by_intermediate.pem intermediate_ca.pem > leaf_and_intermediate_chain.pem
+
+popd
+
+# Copy files up to the higher directory
+cp "./intermediate_ca/leaf_signed_by_intermediate.key" ./
+cp "./intermediate_ca/leaf_signed_by_intermediate.pem" ./
+cp "./intermediate_ca/leaf_and_intermediate_chain.pem" ./
+cp "./intermediate_ca/intermediate_ca.key" ./
+cp "./intermediate_ca/intermediate_ca.pem" ./
+
+rm ca.srl
+rm -rf intermediate_ca

testdata/spiffe_end2end/leaf_and_intermediate_chain.pem

@@ -0,0 +1,50 @@
+-----BEGIN CERTIFICATE-----
+MIIDvjCCAqagAwIBAgIUSWu6PDuiG6sb3Xq6vlh6VJJaM8EwDQYJKoZIhvcNAQEL
+BQAwJzElMCMGA1UEAwwcaW50ZXJtZWRpYXRlY2VydC5leGFtcGxlLmNvbTAeFw0y
+NjAzMDkwNTI4MzdaFw0zNjAzMDYwNTI4MzdaMEwxCzAJBgNVBAYTAlVTMQswCQYD
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+UjCphAIfz1JN/+ZypSTyk+MDKU37hjbnk/uxh6ltv+Q3SnyRKM23FlDwG74jHLYJ
+nVI=
+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
+MIIEkzCCAnugAwIBAgIUScL7tRZAHT2l5ZGw+YblRNRRuO4wDQYJKoZIhvcNAQEL
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+J9QTW19kU+UwDdBp1lX+hb8AbA4otBM=
+-----END CERTIFICATE-----

testdata/spiffe_end2end/leaf_signed_by_intermediate.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCfREKbVnLWyQhO
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+rJEMcQLW2d6IFQkizWc9+A==
+-----END PRIVATE KEY-----

testdata/spiffe_end2end/leaf_signed_by_intermediate.pem

@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----
+MIIDvjCCAqagAwIBAgIUSWu6PDuiG6sb3Xq6vlh6VJJaM8EwDQYJKoZIhvcNAQEL
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+nVI=
+-----END CERTIFICATE-----

testdata/spiffe_end2end/server.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQC7mwFKwCTD58lp
+Pq+aQUpum9+CADQxiiFY2B9zWGCkotIaZhtCA/ZVdy5Wn17T0AosLAeyxWsqg9OV
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+3DB1bo79CURbSmdFaUklpkQ=
+-----END PRIVATE KEY-----

testdata/spiffe_end2end/server_spiffe.pem

@@ -0,0 +1,29 @@
+-----BEGIN CERTIFICATE-----
+MIIE+DCCAuCgAwIBAgIUCzY7jU+NrvxZf0WMdg/5AM5i8XYwDQYJKoZIhvcNAQEL
+BQAwWjELMAkGA1UEBhMCVVMxCzAJBgNVBAgMAlZBMSEwHwYDVQQKDBhJbnRlcm5l
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+9g6wsjV7y0tVXlPir4ezSeI0SyYikuS9/v6Ycw==
+-----END CERTIFICATE-----

testdata/spiffe_end2end/server_spiffebundle.json

@@ -0,0 +1,16 @@
+{
+    "trust_domains": {
+        "foo.bar.com": {
+            "spiffe_sequence": 12035488,
+            "keys": [
+                {
+                    "kty": "RSA",
+                    "use": "x509-svid",
+                    "x5c": ["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"],
+                    "n": "2UXsy9RljP9LpoHCzRiPX7KdLGmy1Dda1E8F4whh7xgLfXD2NcSuj-vv0F3gZGKIJsAt1HYcJfvMdwDrthSj_UHr3lvoQeDd0grWOA_pxsT1py9WI4dNe9LZFUT5IfPcD1-F3bQHCIGY4zYDx_cEd3lh_BN3A0b8Y6LMuHvWsNP1Ux29JWdiqOpmPMdmyTRVBMZrodee2__8h3XC_DtStYdd6OmEqkpZy5p2kh6RwOf9tXq0o7MxN2Y4j2RUenJf0Q46SUSq4f3kAAHoO1ztNFaJK72ZytO5mdpzcqeM9cgleH8FgnQTHxX1EptBIDfA-uScRo9R3uW5uC1b-lrlo_nKoAM0YR46fImbJixSrwKF0oNXifphvL8OT_WVXd_DPDdg7Yn75gpBNX5Z_OKEI-NsA4DULsEmn2xkCITWK57IG3_tpTY-SCGJv0nFHHsW5gpisjmXzXFUDQBdur0Dr4mwQzhcg1tqnYtrSBiYEz4ZCT2w6iiceFKjcSLqGptvD4n5iudQp-Iva1jqUNpzOyRl9UNyBOkuYmlZ6IKdvkkodz4ZLcUDivSFF-8rF_XlUAHTfJZyoGiGbsmDsfR_Y1lWpWf3Qi2tmPwbhbJceDUVS7aCZFCGpHU3qaPN2a60rN3OA0hCCSZIFTwZgZLmt0XWAdQsPgPE9AvJ7xMciW8",
+                    "e": "AQAB"
+                }
+            ]
+        }
+    }
+}

testdata/spiffe_end2end/spiffe-openssl.cnf

@@ -0,0 +1,28 @@
+[spiffe_client]
+subjectAltName = @alt_names
+
+[spiffe_client_multi]
+subjectAltName = @alt_names_multi
+
+[spiffe_server_e2e]
+subjectAltName = @alt_names_server_e2e
+
+[spiffe_client_e2e]
+subjectAltName = @alt_names_client_e2e
+
+[alt_names]
+URI = spiffe://foo.bar.com/client/workload/1
+
+[alt_names_multi]
+URI.1 = spiffe://foo.bar.com/client/workload/1
+URI.2 = spiffe://foo.bar.com/client/workload/2
+
+[alt_names_server_e2e]
+DNS.1 = *.test.google.fr
+DNS.2 = waterzooi.test.google.be
+DNS.3 = *.test.youtube.com
+IP.1 = "192.168.1.3"
+URI = spiffe://example.com/workload/9eebccd2
+
+[alt_names_client_e2e]
+URI = spiffe://foo.bar.com/9eebccd2-12bf-40a6-b262-65fe0487d453