diff --git a/benchmark/tls/secure-pair.js b/benchmark/tls/secure-pair.js
index ed678b9060983e..c0409febacda00 100644
--- a/benchmark/tls/secure-pair.js
+++ b/benchmark/tls/secure-pair.js
@@ -6,21 +6,19 @@ const bench = common.createBenchmark(main, {
   size: [2, 1024, 1024 * 1024]
 });
 
-const fs = require('fs');
+const fixtures = require('../../test/common/fixtures');
 const tls = require('tls');
 const net = require('net');
-const path = require('path');
 
-const cert_dir = path.resolve(__dirname, '../../test/fixtures');
 const REDIRECT_PORT = 28347;
 
 function main({ dur, size, securing }) {
   const chunk = Buffer.alloc(size, 'b');
 
   const options = {
-    key: fs.readFileSync(`${cert_dir}/test_key.pem`),
-    cert: fs.readFileSync(`${cert_dir}/test_cert.pem`),
-    ca: [ fs.readFileSync(`${cert_dir}/test_ca.pem`) ],
+    key: fixtures.readKey('rsa_private.pem'),
+    cert: fixtures.readKey('rsa_cert.crt'),
+    ca: fixtures.readKey('rsa_ca.crt'),
     ciphers: 'AES256-GCM-SHA384',
     isServer: true,
     requestCert: true,
diff --git a/benchmark/tls/throughput.js b/benchmark/tls/throughput.js
index cd957ff1edf495..a8f2d19649d04a 100644
--- a/benchmark/tls/throughput.js
+++ b/benchmark/tls/throughput.js
@@ -6,9 +6,7 @@ const bench = common.createBenchmark(main, {
   size: [2, 1024, 1024 * 1024]
 });
 
-const path = require('path');
-const fs = require('fs');
-const cert_dir = path.resolve(__dirname, '../../test/fixtures');
+const fixtures = require('../../test/common/fixtures');
 var options;
 const tls = require('tls');
 
@@ -32,9 +30,9 @@ function main({ dur, type, size }) {
   }
 
   options = {
-    key: fs.readFileSync(`${cert_dir}/test_key.pem`),
-    cert: fs.readFileSync(`${cert_dir}/test_cert.pem`),
-    ca: [ fs.readFileSync(`${cert_dir}/test_ca.pem`) ],
+    key: fixtures.readKey('rsa_private.pem'),
+    cert: fixtures.readKey('rsa_cert.crt'),
+    ca: fixtures.readKey('rsa_ca.crt'),
     ciphers: 'AES256-GCM-SHA384'
   };
 
diff --git a/benchmark/tls/tls-connect.js b/benchmark/tls/tls-connect.js
index fa6e2cb80abf06..4300f6841f0cd6 100644
--- a/benchmark/tls/tls-connect.js
+++ b/benchmark/tls/tls-connect.js
@@ -1,6 +1,5 @@
 'use strict';
-const fs = require('fs');
-const path = require('path');
+const fixtures = require('../../test/common/fixtures');
 const tls = require('tls');
 
 const common = require('../common.js');
@@ -18,11 +17,10 @@ var running = true;
 function main(conf) {
   dur = conf.dur;
   concurrency = conf.concurrency;
-  const cert_dir = path.resolve(__dirname, '../../test/fixtures');
   const options = {
-    key: fs.readFileSync(`${cert_dir}/test_key.pem`),
-    cert: fs.readFileSync(`${cert_dir}/test_cert.pem`),
-    ca: [ fs.readFileSync(`${cert_dir}/test_ca.pem`) ],
+    key: fixtures.readKey('rsa_private.pem'),
+    cert: fixtures.readKey('rsa_cert.crt'),
+    ca: fixtures.readKey('rsa_ca.crt'),
     ciphers: 'AES256-GCM-SHA384'
   };
 
diff --git a/test/async-hooks/test-graph.tls-write.js b/test/async-hooks/test-graph.tls-write.js
index 5aee38e6b6841a..f8bee6a879d0b4 100644
--- a/test/async-hooks/test-graph.tls-write.js
+++ b/test/async-hooks/test-graph.tls-write.js
@@ -20,8 +20,8 @@ hooks.enable();
 //
 const server = tls
   .createServer({
-    cert: fixtures.readSync('test_cert.pem'),
-    key: fixtures.readSync('test_key.pem')
+    cert: fixtures.readKey('rsa_cert.crt'),
+    key: fixtures.readKey('rsa_private.pem')
   })
   .on('listening', common.mustCall(onlistening))
   .on('secureConnection', common.mustCall(onsecureConnection))
diff --git a/test/async-hooks/test-tlswrap.js b/test/async-hooks/test-tlswrap.js
index d6dcd204703d9d..65a4087d1659c6 100644
--- a/test/async-hooks/test-tlswrap.js
+++ b/test/async-hooks/test-tlswrap.js
@@ -24,8 +24,8 @@ tls.DEFAULT_MAX_VERSION = 'TLSv1.2';
 //
 const server = tls
   .createServer({
-    cert: fixtures.readSync('test_cert.pem'),
-    key: fixtures.readSync('test_key.pem')
+    cert: fixtures.readKey('rsa_cert.crt'),
+    key: fixtures.readKey('rsa_private.pem')
   })
   .on('listening', common.mustCall(onlistening))
   .on('secureConnection', common.mustCall(onsecureConnection))
diff --git a/test/fixtures/keys/Makefile b/test/fixtures/keys/Makefile
index fd7ca677f63266..d26872e7d55289 100644
--- a/test/fixtures/keys/Makefile
+++ b/test/fixtures/keys/Makefile
@@ -41,6 +41,9 @@ all: \
 	rsa_private_pkcs8.pem \
 	rsa_private_pkcs8_bad.pem \
 	rsa_public.pem \
+	rsa_ca.crt \
+	rsa_cert.crt \
+	rsa_cert.pfx \
 	rsa_public_sha1_signature_signedby_rsa_private.sha1 \
 	rsa_public_sha1_signature_signedby_rsa_private_pkcs8.sha1 \
 	rsa_private_b.pem \
@@ -617,6 +620,15 @@ rsa_private_pkcs8_bad.pem: rsa_private_pkcs8.pem
 rsa_public.pem: rsa_private.pem
 	openssl rsa -in rsa_private.pem -pubout -out rsa_public.pem
 
+rsa_cert.crt: rsa_private.pem
+	openssl req -new -x509 -key rsa_private.pem -config rsa_cert.cnf -out rsa_cert.crt
+
+rsa_cert.pfx: rsa_cert.crt
+	openssl pkcs12 -export -passout 'pass:sample' -inkey rsa_private.pem -in rsa_cert.crt -out rsa_cert.pfx
+
+rsa_ca.crt: rsa_cert.crt
+	cp rsa_cert.crt rsa_ca.crt
+
 rsa_public_sha1_signature_signedby_rsa_private.sha1: rsa_public.pem rsa_private.pem
 	openssl dgst -sha1 -sign rsa_private.pem -out rsa_public_sha1_signature_signedby_rsa_private.sha1 rsa_public.pem
 
diff --git a/test/fixtures/keys/rsa_ca.crt b/test/fixtures/keys/rsa_ca.crt
new file mode 100644
index 00000000000000..ef94a341846101
--- /dev/null
+++ b/test/fixtures/keys/rsa_ca.crt
@@ -0,0 +1,24 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/test/fixtures/keys/rsa_cert.cnf b/test/fixtures/keys/rsa_cert.cnf
new file mode 100644
index 00000000000000..5d30534012e40f
--- /dev/null
+++ b/test/fixtures/keys/rsa_cert.cnf
@@ -0,0 +1,23 @@
+[ req ]
+days                   = 99999
+distinguished_name     = req_distinguished_name
+attributes             = req_attributes
+prompt                 = no
+x509_extensions        = v3_ca
+
+[ req_distinguished_name ]
+C                      = UK
+ST                     = Acknack Ltd
+L                      = Rhys Jones
+O                      = node.js
+0.OU                   = Test TLS Certificate
+1.OU                   = Engineering
+CN                     = localhost
+emailAddress           = alex@aub.dev
+
+[ req_attributes ]
+
+[ v3_ca ]
+basicConstraints = CA:TRUE
+
+[ x509_extensions ]
\ No newline at end of file
diff --git a/test/fixtures/keys/rsa_cert.crt b/test/fixtures/keys/rsa_cert.crt
new file mode 100644
index 00000000000000..ef94a341846101
--- /dev/null
+++ b/test/fixtures/keys/rsa_cert.crt
@@ -0,0 +1,24 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/test/fixtures/keys/rsa_cert.pfx b/test/fixtures/keys/rsa_cert.pfx
new file mode 100644
index 00000000000000..627f27bc7fe14d
Binary files /dev/null and b/test/fixtures/keys/rsa_cert.pfx differ
diff --git a/test/fixtures/test_ca.pem b/test/fixtures/test_ca.pem
deleted file mode 100644
index a3c1e4a0aaf657..00000000000000
--- a/test/fixtures/test_ca.pem
+++ /dev/null
@@ -1,20 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDXDCCAsWgAwIBAgIJAKL0UG+mRkSPMA0GCSqGSIb3DQEBBQUAMH0xCzAJBgNV
-BAYTAlVLMRQwEgYDVQQIEwtBY2tuYWNrIEx0ZDETMBEGA1UEBxMKUmh5cyBKb25l
-czEQMA4GA1UEChMHbm9kZS5qczEdMBsGA1UECxMUVGVzdCBUTFMgQ2VydGlmaWNh
-dGUxEjAQBgNVBAMTCWxvY2FsaG9zdDAeFw0wOTExMTEwOTUyMjJaFw0yOTExMDYw
-OTUyMjJaMH0xCzAJBgNVBAYTAlVLMRQwEgYDVQQIEwtBY2tuYWNrIEx0ZDETMBEG
-A1UEBxMKUmh5cyBKb25lczEQMA4GA1UEChMHbm9kZS5qczEdMBsGA1UECxMUVGVz
-dCBUTFMgQ2VydGlmaWNhdGUxEjAQBgNVBAMTCWxvY2FsaG9zdDCBnzANBgkqhkiG
-9w0BAQEFAAOBjQAwgYkCgYEA8d8Hc6atq78Jt1HLp9agA/wpQfsFvkYUdZ1YsdvO
-kL2janjwHQgMMCy/Njal3FUEW0OLPebKZUJ8L44JBXSlVxU4zyiiSOWld8EkTetR
-AVT3WKQq3ud+cnxv7g8rGRQp1UHZwmdbZ1wEfAYq8QjYx6m1ciMgRo7DaDQhD29k
-d+UCAwEAAaOB4zCB4DAdBgNVHQ4EFgQUL9miTJn+HKNuTmx/oMWlZP9cd4QwgbAG
-A1UdIwSBqDCBpYAUL9miTJn+HKNuTmx/oMWlZP9cd4ShgYGkfzB9MQswCQYDVQQG
-EwJVSzEUMBIGA1UECBMLQWNrbmFjayBMdGQxEzARBgNVBAcTClJoeXMgSm9uZXMx
-EDAOBgNVBAoTB25vZGUuanMxHTAbBgNVBAsTFFRlc3QgVExTIENlcnRpZmljYXRl
-MRIwEAYDVQQDEwlsb2NhbGhvc3SCCQCi9FBvpkZEjzAMBgNVHRMEBTADAQH/MA0G
-CSqGSIb3DQEBBQUAA4GBADRXXA2xSUK5W1i3oLYWW6NEDVWkTQ9RveplyeS9MOkP
-e7yPcpz0+O0ZDDrxR9chAiZ7fmdBBX1Tr+pIuCrG/Ud49SBqeS5aMJGVwiSd7o1n
-dhU2Sz3Q60DwJEL1VenQHiVYlWWtqXBThe9ggqRPnCfsCRTP8qifKkjk45zWPcpN
------END CERTIFICATE-----
diff --git a/test/fixtures/test_cert.pem b/test/fixtures/test_cert.pem
deleted file mode 100644
index a3c1e4a0aaf657..00000000000000
--- a/test/fixtures/test_cert.pem
+++ /dev/null
@@ -1,20 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDXDCCAsWgAwIBAgIJAKL0UG+mRkSPMA0GCSqGSIb3DQEBBQUAMH0xCzAJBgNV
-BAYTAlVLMRQwEgYDVQQIEwtBY2tuYWNrIEx0ZDETMBEGA1UEBxMKUmh5cyBKb25l
-czEQMA4GA1UEChMHbm9kZS5qczEdMBsGA1UECxMUVGVzdCBUTFMgQ2VydGlmaWNh
-dGUxEjAQBgNVBAMTCWxvY2FsaG9zdDAeFw0wOTExMTEwOTUyMjJaFw0yOTExMDYw
-OTUyMjJaMH0xCzAJBgNVBAYTAlVLMRQwEgYDVQQIEwtBY2tuYWNrIEx0ZDETMBEG
-A1UEBxMKUmh5cyBKb25lczEQMA4GA1UEChMHbm9kZS5qczEdMBsGA1UECxMUVGVz
-dCBUTFMgQ2VydGlmaWNhdGUxEjAQBgNVBAMTCWxvY2FsaG9zdDCBnzANBgkqhkiG
-9w0BAQEFAAOBjQAwgYkCgYEA8d8Hc6atq78Jt1HLp9agA/wpQfsFvkYUdZ1YsdvO
-kL2janjwHQgMMCy/Njal3FUEW0OLPebKZUJ8L44JBXSlVxU4zyiiSOWld8EkTetR
-AVT3WKQq3ud+cnxv7g8rGRQp1UHZwmdbZ1wEfAYq8QjYx6m1ciMgRo7DaDQhD29k
-d+UCAwEAAaOB4zCB4DAdBgNVHQ4EFgQUL9miTJn+HKNuTmx/oMWlZP9cd4QwgbAG
-A1UdIwSBqDCBpYAUL9miTJn+HKNuTmx/oMWlZP9cd4ShgYGkfzB9MQswCQYDVQQG
-EwJVSzEUMBIGA1UECBMLQWNrbmFjayBMdGQxEzARBgNVBAcTClJoeXMgSm9uZXMx
-EDAOBgNVBAoTB25vZGUuanMxHTAbBgNVBAsTFFRlc3QgVExTIENlcnRpZmljYXRl
-MRIwEAYDVQQDEwlsb2NhbGhvc3SCCQCi9FBvpkZEjzAMBgNVHRMEBTADAQH/MA0G
-CSqGSIb3DQEBBQUAA4GBADRXXA2xSUK5W1i3oLYWW6NEDVWkTQ9RveplyeS9MOkP
-e7yPcpz0+O0ZDDrxR9chAiZ7fmdBBX1Tr+pIuCrG/Ud49SBqeS5aMJGVwiSd7o1n
-dhU2Sz3Q60DwJEL1VenQHiVYlWWtqXBThe9ggqRPnCfsCRTP8qifKkjk45zWPcpN
------END CERTIFICATE-----
diff --git a/test/fixtures/test_cert.pfx b/test/fixtures/test_cert.pfx
deleted file mode 100644
index d6c2023a2d0715..00000000000000
Binary files a/test/fixtures/test_cert.pfx and /dev/null differ
diff --git a/test/fixtures/test_key.pem b/test/fixtures/test_key.pem
deleted file mode 100644
index 48fd93c9944ff3..00000000000000
--- a/test/fixtures/test_key.pem
+++ /dev/null
@@ -1,15 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIICXQIBAAKBgQDx3wdzpq2rvwm3Ucun1qAD/ClB+wW+RhR1nVix286QvaNqePAd
-CAwwLL82NqXcVQRbQ4s95splQnwvjgkFdKVXFTjPKKJI5aV3wSRN61EBVPdYpCre
-535yfG/uDysZFCnVQdnCZ1tnXAR8BirxCNjHqbVyIyBGjsNoNCEPb2R35QIDAQAB
-AoGBAJNem9C4ftrFNGtQ2DB0Udz7uDuucepkErUy4MbFsc947GfENjDKJXr42Kx0
-kYx09ImS1vUpeKpH3xiuhwqe7tm4FsCBg4TYqQle14oxxm7TNeBwwGC3OB7hiokb
-aAjbPZ1hAuNs6ms3Ybvvj6Lmxzx42m8O5DXCG2/f+KMvaNUhAkEA/ekrOsWkNoW9
-2n3m+msdVuxeek4B87EoTOtzCXb1dybIZUVv4J48VAiM43hhZHWZck2boD/hhwjC
-M5NWd4oY6QJBAPPcgBVNdNZSZ8hR4ogI4nzwWrQhl9MRbqqtfOn2TK/tjMv10ALg
-lPmn3SaPSNRPKD2hoLbFuHFERlcS79pbCZ0CQQChX3PuIna/gDitiJ8oQLOg7xEM
-wk9TRiDK4kl2lnhjhe6PDpaQN4E4F0cTuwqLAoLHtrNWIcOAQvzKMrYdu1MhAkBm
-Et3qDMnjDAs05lGT72QeN90/mPAcASf5eTTYGahv21cb6IBxM+AnwAPpqAAsHhYR
-9h13Y7uYbaOjvuF23LRhAkBoI9eaSMn+l81WXOVUHnzh3ZwB4GuTyxMXXNOhuiFd
-0z4LKAMh99Z4xQmqSoEkXsfM4KPpfhYjF/bwIcP5gOei
------END RSA PRIVATE KEY-----
diff --git a/test/parallel/test-crypto-binary-default.js b/test/parallel/test-crypto-binary-default.js
index 712a9c7e39977f..c96253bc44d450 100644
--- a/test/parallel/test-crypto-binary-default.js
+++ b/test/parallel/test-crypto-binary-default.js
@@ -41,9 +41,9 @@ const DH_NOT_SUITABLE_GENERATOR = crypto.constants.DH_NOT_SUITABLE_GENERATOR;
 require('internal/crypto/util').setDefaultEncoding('latin1');
 
 // Test Certificates
-const certPem = fixtures.readSync('test_cert.pem', 'ascii');
-const certPfx = fixtures.readSync('test_cert.pfx');
-const keyPem = fixtures.readSync('test_key.pem', 'ascii');
+const certPem = fixtures.readKey('rsa_cert.crt');
+const certPfx = fixtures.readKey('rsa_cert.pfx');
+const keyPem = fixtures.readKey('rsa_private.pem');
 const rsaPubPem = fixtures.readKey('rsa_public.pem', 'ascii');
 const rsaKeyPem = fixtures.readKey('rsa_private.pem', 'ascii');
 
diff --git a/test/parallel/test-crypto-rsa-dsa.js b/test/parallel/test-crypto-rsa-dsa.js
index 1e657b9e60d494..120a9f1f94f570 100644
--- a/test/parallel/test-crypto-rsa-dsa.js
+++ b/test/parallel/test-crypto-rsa-dsa.js
@@ -11,8 +11,8 @@ const constants = crypto.constants;
 const fixtures = require('../common/fixtures');
 
 // Test certificates
-const certPem = fixtures.readSync('test_cert.pem', 'ascii');
-const keyPem = fixtures.readSync('test_key.pem', 'ascii');
+const certPem = fixtures.readKey('rsa_cert.crt');
+const keyPem = fixtures.readKey('rsa_private.pem');
 const rsaKeySize = 2048;
 const rsaPubPem = fixtures.readKey('rsa_public.pem', 'ascii');
 const rsaKeyPem = fixtures.readKey('rsa_private.pem', 'ascii');
diff --git a/test/parallel/test-crypto-sign-verify.js b/test/parallel/test-crypto-sign-verify.js
index 0c7f4fb0bc9e37..66c7ac7d8014df 100644
--- a/test/parallel/test-crypto-sign-verify.js
+++ b/test/parallel/test-crypto-sign-verify.js
@@ -11,9 +11,9 @@ const crypto = require('crypto');
 const fixtures = require('../common/fixtures');
 
 // Test certificates
-const certPem = fixtures.readSync('test_cert.pem', 'ascii');
-const keyPem = fixtures.readSync('test_key.pem', 'ascii');
-const modSize = 1024;
+const certPem = fixtures.readKey('rsa_cert.crt');
+const keyPem = fixtures.readKey('rsa_private.pem');
+const keySize = 2048;
 
 {
   const Sign = crypto.Sign;
@@ -152,7 +152,7 @@ common.expectsError(
 {
   function testPSS(algo, hLen) {
     // Maximum permissible salt length
-    const max = modSize / 8 - hLen - 2;
+    const max = keySize / 8 - hLen - 2;
 
     function getEffectiveSaltLength(saltLength) {
       switch (saltLength) {
diff --git a/test/parallel/test-crypto-verify-failure.js b/test/parallel/test-crypto-verify-failure.js
index 7e9fda9f6791f6..ad7d5d4f86d52b 100644
--- a/test/parallel/test-crypto-verify-failure.js
+++ b/test/parallel/test-crypto-verify-failure.js
@@ -29,7 +29,7 @@ const crypto = require('crypto');
 const tls = require('tls');
 const fixtures = require('../common/fixtures');
 
-const certPem = fixtures.readSync('test_cert.pem', 'ascii');
+const certPem = fixtures.readKey('rsa_cert.crt');
 
 const options = {
   key: fixtures.readKey('agent1-key.pem'),
diff --git a/test/parallel/test-crypto.js b/test/parallel/test-crypto.js
index 86c617815f2726..9337621d37fcfb 100644
--- a/test/parallel/test-crypto.js
+++ b/test/parallel/test-crypto.js
@@ -37,7 +37,7 @@ const tls = require('tls');
 const fixtures = require('../common/fixtures');
 
 // Test Certificates
-const certPfx = fixtures.readSync('test_cert.pfx');
+const certPfx = fixtures.readKey('rsa_cert.pfx');
 
 // 'this' safety
 // https://github.com/joyent/node/issues/6690
diff --git a/test/parallel/test-https-client-reject.js b/test/parallel/test-https-client-reject.js
index 729256df54ff8c..113b56fda66fe4 100644
--- a/test/parallel/test-https-client-reject.js
+++ b/test/parallel/test-https-client-reject.js
@@ -30,8 +30,8 @@ const assert = require('assert');
 const https = require('https');
 
 const options = {
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const server = https.createServer(options, common.mustCall(function(req, res) {
@@ -72,7 +72,7 @@ function rejectUnauthorized() {
 function authorized() {
   const options = {
     port: server.address().port,
-    ca: [fixtures.readSync('test_cert.pem')]
+    ca: [fixtures.readKey('rsa_cert.crt')]
   };
   options.agent = new https.Agent(options);
   const req = https.request(options, function(res) {
diff --git a/test/parallel/test-https-client-renegotiation-limit.js b/test/parallel/test-https-client-renegotiation-limit.js
index 4d3dda3d759e38..6b5aad2d30933f 100644
--- a/test/parallel/test-https-client-renegotiation-limit.js
+++ b/test/parallel/test-https-client-renegotiation-limit.js
@@ -50,8 +50,8 @@ const LIMITS = [0, 1, 2, 3, 5, 10, 16];
 
 function test(next) {
   const options = {
-    cert: fixtures.readSync('test_cert.pem'),
-    key: fixtures.readSync('test_key.pem'),
+    cert: fixtures.readKey('rsa_cert.crt'),
+    key: fixtures.readKey('rsa_private.pem'),
   };
 
   const server = https.createServer(options, (req, res) => {
diff --git a/test/parallel/test-https-drain.js b/test/parallel/test-https-drain.js
index 98e43b27d4cebd..1c8a29258f26f6 100644
--- a/test/parallel/test-https-drain.js
+++ b/test/parallel/test-https-drain.js
@@ -29,8 +29,8 @@ const assert = require('assert');
 const https = require('https');
 
 const options = {
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const bufSize = 1024 * 1024;
diff --git a/test/parallel/test-https-pfx.js b/test/parallel/test-https-pfx.js
index 7cf23a7dfa17f4..4246913a037ec1 100644
--- a/test/parallel/test-https-pfx.js
+++ b/test/parallel/test-https-pfx.js
@@ -30,7 +30,7 @@ const fixtures = require('../common/fixtures');
 const assert = require('assert');
 const https = require('https');
 
-const pfx = fixtures.readSync('test_cert.pfx');
+const pfx = fixtures.readKey('rsa_cert.pfx');
 
 const options = {
   host: '127.0.0.1',
diff --git a/test/parallel/test-https-unix-socket-self-signed.js b/test/parallel/test-https-unix-socket-self-signed.js
index 48207a7a22f52a..9db92ac2aed44a 100644
--- a/test/parallel/test-https-unix-socket-self-signed.js
+++ b/test/parallel/test-https-unix-socket-self-signed.js
@@ -10,8 +10,8 @@ tmpdir.refresh();
 const fixtures = require('../common/fixtures');
 const https = require('https');
 const options = {
-  cert: fixtures.readSync('test_cert.pem'),
-  key: fixtures.readSync('test_key.pem')
+  cert: fixtures.readKey('rsa_cert.crt'),
+  key: fixtures.readKey('rsa_private.pem')
 };
 
 const server = https.createServer(options, common.mustCall((req, res) => {
diff --git a/test/parallel/test-tls-async-cb-after-socket-end.js b/test/parallel/test-tls-async-cb-after-socket-end.js
index 49ca0cebc9b524..357cef30715d71 100644
--- a/test/parallel/test-tls-async-cb-after-socket-end.js
+++ b/test/parallel/test-tls-async-cb-after-socket-end.js
@@ -15,8 +15,8 @@ const tls = require('tls');
 
 const options = {
   secureOptions: SSL_OP_NO_TICKET,
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const server = tls.createServer(options, common.mustCall());
diff --git a/test/parallel/test-tls-client-abort.js b/test/parallel/test-tls-client-abort.js
index 09f252db308881..50c9a4b32437fc 100644
--- a/test/parallel/test-tls-client-abort.js
+++ b/test/parallel/test-tls-client-abort.js
@@ -27,8 +27,8 @@ if (!common.hasCrypto)
 const tls = require('tls');
 const fixtures = require('../common/fixtures');
 
-const cert = fixtures.readSync('test_cert.pem');
-const key = fixtures.readSync('test_key.pem');
+const cert = fixtures.readKey('rsa_cert.crt');
+const key = fixtures.readKey('rsa_private.pem');
 
 const conn = tls.connect({ cert, key, port: 0 }, common.mustNotCall());
 conn.on('error', function() {});
diff --git a/test/parallel/test-tls-client-reject.js b/test/parallel/test-tls-client-reject.js
index 329b78c271baaa..d41ad806ea3012 100644
--- a/test/parallel/test-tls-client-reject.js
+++ b/test/parallel/test-tls-client-reject.js
@@ -29,8 +29,8 @@ const tls = require('tls');
 const fixtures = require('../common/fixtures');
 
 const options = {
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const server = tls.createServer(options, function(socket) {
@@ -80,7 +80,7 @@ function rejectUnauthorized() {
 function authorized() {
   console.log('connect authorized');
   const socket = tls.connect(server.address().port, {
-    ca: [fixtures.readSync('test_cert.pem')],
+    ca: [fixtures.readKey('rsa_cert.crt')],
     servername: 'localhost'
   }, common.mustCall(function() {
     console.log('... authorized');
diff --git a/test/parallel/test-tls-client-renegotiation-limit.js b/test/parallel/test-tls-client-renegotiation-limit.js
index 38dcf5a80be5a6..9a08efe96f5098 100644
--- a/test/parallel/test-tls-client-renegotiation-limit.js
+++ b/test/parallel/test-tls-client-renegotiation-limit.js
@@ -49,8 +49,8 @@ const LIMITS = [0, 1, 2, 3, 5, 10, 16];
 
 function test(next) {
   const options = {
-    cert: fixtures.readSync('test_cert.pem'),
-    key: fixtures.readSync('test_key.pem'),
+    cert: fixtures.readKey('rsa_cert.crt'),
+    key: fixtures.readKey('rsa_private.pem'),
   };
 
   const server = tls.createServer(options, (conn) => {
diff --git a/test/parallel/test-tls-connect-given-socket.js b/test/parallel/test-tls-connect-given-socket.js
index 5fc5603dd1653b..f25cf4582d59b1 100644
--- a/test/parallel/test-tls-connect-given-socket.js
+++ b/test/parallel/test-tls-connect-given-socket.js
@@ -30,8 +30,8 @@ const tls = require('tls');
 const net = require('net');
 
 const options = {
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const server = tls.createServer(options, common.mustCall((socket) => {
diff --git a/test/parallel/test-tls-connect-memleak.js b/test/parallel/test-tls-connect-memleak.js
index 162d61fcdc7a66..b0dedfa0bba56d 100644
--- a/test/parallel/test-tls-connect-memleak.js
+++ b/test/parallel/test-tls-connect-memleak.js
@@ -35,8 +35,8 @@ const fixtures = require('../common/fixtures');
 // added using `once()`, i.e. can be gc'ed once that event has occurred.
 
 const server = tls.createServer({
-  cert: fixtures.readSync('test_cert.pem'),
-  key: fixtures.readSync('test_key.pem')
+  cert: fixtures.readKey('rsa_cert.crt'),
+  key: fixtures.readKey('rsa_private.pem')
 }).listen(0);
 
 let collected = false;
diff --git a/test/parallel/test-tls-connect-no-host.js b/test/parallel/test-tls-connect-no-host.js
index f6384743ac7081..97b95332c47c2e 100644
--- a/test/parallel/test-tls-connect-no-host.js
+++ b/test/parallel/test-tls-connect-no-host.js
@@ -8,8 +8,8 @@ if (!common.hasCrypto)
 const tls = require('tls');
 const assert = require('assert');
 
-const cert = fixtures.readSync('test_cert.pem');
-const key = fixtures.readSync('test_key.pem');
+const cert = fixtures.readKey('rsa_cert.crt');
+const key = fixtures.readKey('rsa_private.pem');
 
 // https://github.com/nodejs/node/issues/1489
 // tls.connect(options) with no options.host should accept a cert with
diff --git a/test/parallel/test-tls-connect-stream-writes.js b/test/parallel/test-tls-connect-stream-writes.js
index 0c6ae2b660d502..001fe985800f28 100644
--- a/test/parallel/test-tls-connect-stream-writes.js
+++ b/test/parallel/test-tls-connect-stream-writes.js
@@ -9,9 +9,9 @@ const stream = require('stream');
 const net = require('net');
 const fixtures = require('../common/fixtures');
 
-const options = { key: fixtures.readSync('test_key.pem'),
-                  cert: fixtures.readSync('test_cert.pem'),
-                  ca: [ fixtures.readSync('test_ca.pem') ],
+const options = { key: fixtures.readKey('rsa_private.pem'),
+                  cert: fixtures.readKey('rsa_cert.crt'),
+                  ca: [ fixtures.readKey('rsa_ca.crt') ],
                   ciphers: 'AES256-GCM-SHA384' };
 const content = 'hello world';
 const recv_bufs = [];
diff --git a/test/parallel/test-tls-destroy-stream.js b/test/parallel/test-tls-destroy-stream.js
index b06d7728dc6764..a49e985a7e0204 100644
--- a/test/parallel/test-tls-destroy-stream.js
+++ b/test/parallel/test-tls-destroy-stream.js
@@ -18,9 +18,9 @@ tls.DEFAULT_MAX_VERSION = 'TLSv1.3';
 const CONTENT = 'Hello World';
 const tlsServer = tls.createServer(
   {
-    key: fixtures.readSync('test_key.pem'),
-    cert: fixtures.readSync('test_cert.pem'),
-    ca: [fixtures.readSync('test_ca.pem')],
+    key: fixtures.readKey('rsa_private.pem'),
+    cert: fixtures.readKey('rsa_cert.crt'),
+    ca: [fixtures.readKey('rsa_ca.crt')],
   },
   (socket) => {
     socket.on('close', common.mustCall());
diff --git a/test/parallel/test-tls-fast-writing.js b/test/parallel/test-tls-fast-writing.js
index 398beb0d097701..af40cc33baeda0 100644
--- a/test/parallel/test-tls-fast-writing.js
+++ b/test/parallel/test-tls-fast-writing.js
@@ -28,9 +28,9 @@ const fixtures = require('../common/fixtures');
 const assert = require('assert');
 const tls = require('tls');
 
-const options = { key: fixtures.readSync('test_key.pem'),
-                  cert: fixtures.readSync('test_cert.pem'),
-                  ca: [ fixtures.readSync('test_ca.pem') ] };
+const options = { key: fixtures.readKey('rsa_private.pem'),
+                  cert: fixtures.readKey('rsa_cert.crt'),
+                  ca: [ fixtures.readKey('rsa_ca.crt') ] };
 
 const server = tls.createServer(options, onconnection);
 let gotChunk = false;
diff --git a/test/parallel/test-tls-handshake-exception.js b/test/parallel/test-tls-handshake-exception.js
index 1ba4bc6438e2f9..4d8ea7d33ae7fb 100644
--- a/test/parallel/test-tls-handshake-exception.js
+++ b/test/parallel/test-tls-handshake-exception.js
@@ -21,8 +21,8 @@ if (process.argv[2] === 'child') {
   const { Duplex } = require('stream');
   const { mustCall } = common;
 
-  const cert = fixtures.readSync('test_cert.pem');
-  const key = fixtures.readSync('test_key.pem');
+  const cert = fixtures.readKey('rsa_cert.crt');
+  const key = fixtures.readKey('rsa_private.pem');
 
   net.createServer(mustCall(onplaintext)).listen(0, mustCall(onlisten));
 
diff --git a/test/parallel/test-tls-hello-parser-failure.js b/test/parallel/test-tls-hello-parser-failure.js
index 4b92f6bde3151c..07776dd89e9227 100644
--- a/test/parallel/test-tls-hello-parser-failure.js
+++ b/test/parallel/test-tls-hello-parser-failure.js
@@ -36,8 +36,8 @@ const tls = require('tls');
 const net = require('net');
 
 const options = {
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const bonkers = Buffer.alloc(1024 * 1024, 42);
diff --git a/test/parallel/test-tls-inception.js b/test/parallel/test-tls-inception.js
index f28f92373c5500..7310308e6f9876 100644
--- a/test/parallel/test-tls-inception.js
+++ b/test/parallel/test-tls-inception.js
@@ -32,8 +32,8 @@ const tls = require('tls');
 const net = require('net');
 
 const options = {
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const body = 'A'.repeat(40000);
diff --git a/test/parallel/test-tls-interleave.js b/test/parallel/test-tls-interleave.js
index 70f98f33e4f2b2..91449b5b3ae571 100644
--- a/test/parallel/test-tls-interleave.js
+++ b/test/parallel/test-tls-interleave.js
@@ -30,9 +30,9 @@ const tls = require('tls');
 
 const fixtures = require('../common/fixtures');
 
-const options = { key: fixtures.readSync('test_key.pem'),
-                  cert: fixtures.readSync('test_cert.pem'),
-                  ca: [ fixtures.readSync('test_ca.pem') ] };
+const options = { key: fixtures.readKey('rsa_private.pem'),
+                  cert: fixtures.readKey('rsa_cert.crt'),
+                  ca: [ fixtures.readKey('rsa_ca.crt') ] };
 
 const writes = [
   'some server data',
diff --git a/test/parallel/test-tls-net-connect-prefer-path.js b/test/parallel/test-tls-net-connect-prefer-path.js
index 263501ae0330ac..1b8231664dce38 100644
--- a/test/parallel/test-tls-net-connect-prefer-path.js
+++ b/test/parallel/test-tls-net-connect-prefer-path.js
@@ -29,8 +29,8 @@ function mkServer(lib, tcp, cb) {
   const args = [handler];
   if (lib === tls) {
     args.unshift({
-      cert: fixtures.readSync('test_cert.pem'),
-      key: fixtures.readSync('test_key.pem')
+      cert: fixtures.readKey('rsa_cert.crt'),
+      key: fixtures.readKey('rsa_private.pem')
     });
   }
   const server = lib.createServer(...args);
diff --git a/test/parallel/test-tls-no-sslv3.js b/test/parallel/test-tls-no-sslv3.js
index 4cbb62e3d595f1..1acb1f93767404 100644
--- a/test/parallel/test-tls-no-sslv3.js
+++ b/test/parallel/test-tls-no-sslv3.js
@@ -11,8 +11,8 @@ const tls = require('tls');
 const spawn = require('child_process').spawn;
 const fixtures = require('../common/fixtures');
 
-const cert = fixtures.readSync('test_cert.pem');
-const key = fixtures.readSync('test_key.pem');
+const cert = fixtures.readKey('rsa_cert.crt');
+const key = fixtures.readKey('rsa_private.pem');
 const server = tls.createServer({ cert, key }, common.mustNotCall());
 const errors = [];
 let stderr = '';
diff --git a/test/parallel/test-tls-pause.js b/test/parallel/test-tls-pause.js
index e246acff807a91..120d6d87a7a913 100644
--- a/test/parallel/test-tls-pause.js
+++ b/test/parallel/test-tls-pause.js
@@ -32,8 +32,8 @@ const tls = require('tls');
 const fixtures = require('../common/fixtures');
 
 const options = {
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const bufSize = 1024 * 1024;
diff --git a/test/parallel/test-tls-securepair-fiftharg.js b/test/parallel/test-tls-securepair-fiftharg.js
index 0651f98c6d780d..9adb2bf424818b 100644
--- a/test/parallel/test-tls-securepair-fiftharg.js
+++ b/test/parallel/test-tls-securepair-fiftharg.js
@@ -9,8 +9,8 @@ const tls = require('tls');
 const fixtures = require('../common/fixtures');
 
 const sslcontext = tls.createSecureContext({
-  cert: fixtures.readSync('test_cert.pem'),
-  key: fixtures.readSync('test_key.pem')
+  cert: fixtures.readKey('rsa_cert.crt'),
+  key: fixtures.readKey('rsa_private.pem')
 });
 
 const pair = tls.createSecurePair(sslcontext, true, false, false, {
diff --git a/test/parallel/test-tls-zero-clear-in.js b/test/parallel/test-tls-zero-clear-in.js
index b2a07960d4138c..f24fb6f992e75d 100644
--- a/test/parallel/test-tls-zero-clear-in.js
+++ b/test/parallel/test-tls-zero-clear-in.js
@@ -28,8 +28,8 @@ if (!common.hasCrypto)
 const tls = require('tls');
 const fixtures = require('../common/fixtures');
 
-const cert = fixtures.readSync('test_cert.pem');
-const key = fixtures.readSync('test_key.pem');
+const cert = fixtures.readKey('rsa_cert.crt');
+const key = fixtures.readKey('rsa_private.pem');
 
 const server = tls.createServer({
   cert,
diff --git a/test/pummel/test-https-no-reader.js b/test/pummel/test-https-no-reader.js
index ad0b56c1f3c7b1..31d2bfa2d3ca34 100644
--- a/test/pummel/test-https-no-reader.js
+++ b/test/pummel/test-https-no-reader.js
@@ -29,8 +29,8 @@ const https = require('https');
 const fixtures = require('../common/fixtures');
 
 const options = {
-  key: fixtures.readSync('test_key.pem'),
-  cert: fixtures.readSync('test_cert.pem')
+  key: fixtures.readKey('rsa_private.pem'),
+  cert: fixtures.readKey('rsa_cert.crt')
 };
 
 const buf = Buffer.allocUnsafe(1024 * 1024);
diff --git a/test/sequential/test-async-wrap-getasyncid.js b/test/sequential/test-async-wrap-getasyncid.js
index 9f5c073c9e2d06..13aee51175f618 100644
--- a/test/sequential/test-async-wrap-getasyncid.js
+++ b/test/sequential/test-async-wrap-getasyncid.js
@@ -266,9 +266,9 @@ if (common.hasCrypto) { // eslint-disable-line node-core/crypto-check
   const { TCP, constants: TCPConstants } = internalBinding('tcp_wrap');
   const tcp = new TCP(TCPConstants.SOCKET);
 
-  const ca = fixtures.readSync('test_ca.pem', 'ascii');
-  const cert = fixtures.readSync('test_cert.pem', 'ascii');
-  const key = fixtures.readSync('test_key.pem', 'ascii');
+  const ca = fixtures.readKey('rsa_ca.crt');
+  const cert = fixtures.readKey('rsa_cert.crt');
+  const key = fixtures.readKey('rsa_private.pem');
 
   const credentials = require('tls').createSecureContext({ ca, cert, key });
 
diff --git a/test/sequential/test-tls-connect.js b/test/sequential/test-tls-connect.js
index 291747aea77b49..5cfec7ed04707d 100644
--- a/test/sequential/test-tls-connect.js
+++ b/test/sequential/test-tls-connect.js
@@ -33,8 +33,8 @@ const tls = require('tls');
 // https://github.com/joyent/node/issues/1218
 // uncatchable exception on TLS connection error
 {
-  const cert = fixtures.readSync('test_cert.pem');
-  const key = fixtures.readSync('test_key.pem');
+  const cert = fixtures.readKey('rsa_cert.crt');
+  const key = fixtures.readKey('rsa_private.pem');
 
   const options = { cert: cert, key: key, port: common.PORT };
   const conn = tls.connect(options, common.mustNotCall());
@@ -47,8 +47,8 @@ const tls = require('tls');
 
 // SSL_accept/SSL_connect error handling
 {
-  const cert = fixtures.readSync('test_cert.pem');
-  const key = fixtures.readSync('test_key.pem');
+  const cert = fixtures.readKey('rsa_cert.crt');
+  const key = fixtures.readKey('rsa_private.pem');
 
   assert.throws(() => {
     tls.connect({