diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index 77ec625..41531f7 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -172,6 +172,13 @@
 * ``authority_key_identifier_no_keyid.pem`` - An RSA 2048 bit self-signed
   certificate containing an authority key identifier extension with authority
   certificate issuer and authority certificate serial number fields.
+* ``aia_ocsp_ca_issuers.pem`` - An RSA 2048 bit self-signed certificate
+  containing an authority information access extension with two OCSP and one
+  CA issuers entry.
+* ``aia_ocsp.pem`` - An RSA 2048 bit self-signed certificate
+  containing an authority information access extension with an OCSP entry.
+* ``aia_ca_issuers.pem`` - An RSA 2048 bit self-signed certificate
+  containing an authority information access extension with a CA issuers entry.
 
 Custom X.509 Request Vectors
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/vectors/cryptography_vectors/x509/custom/aia_ca_issuers.pem b/vectors/cryptography_vectors/x509/custom/aia_ca_issuers.pem
new file mode 100644
index 0000000..8e7d623
--- /dev/null
+++ b/vectors/cryptography_vectors/x509/custom/aia_ca_issuers.pem
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
+MIIDIzCCAgugAwIBAgITBmpzihaCgW4OeroV/vOMmWeoVTANBgkqhkiG9w0BAQUF
+ADApMQ0wCwYDVQQKDARQeUNBMRgwFgYDVQQDDA9jcnlwdG9ncmFwaHkuaW8wHhcN
+MTUwNTA0MTYwMTM1WhcNMTYwNTAzMTYwMTM1WjApMQ0wCwYDVQQKDARQeUNBMRgw
+FgYDVQQDDA9jcnlwdG9ncmFwaHkuaW8wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
+ggEKAoIBAQDCadi1UZioxdnPajqlRZHeKsSxvXXhgrWvlt91P3gV0dBThRFhJsLO
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+/XhRzt8Xcfc3yAXIwazvLf8bYP1auaSG11a5E+w6onj91h8UHKKOXu+rdq5YYPZ+
+qUYpxA7ZJ/VAGadMulYbXaO8Syi39HTpAgMBAAGjRDBCMEAGCCsGAQUFBwEBBDQw
+MjAwBggrBgEFBQcwAqQkMCIxDTALBgNVBAMMBG15Q04xETAPBgNVBAoMCHNvbWUg
+T3JnMA0GCSqGSIb3DQEBBQUAA4IBAQA77ax7iuD6Ood7lCfqGkUAHnZCTRBTaIBf
+Ob8fDYdXWe7nr3dAq+M14GNMIvBURixL8xnb+AameJdGzzxEIkmzYpJmeVM+UCHJ
+oOO2Q2JuHOvULOxQjrYdwBsb9jgiwWGuAfFA2nV+zO1/zjQ0meOL7p98ulaDbZKi
+JMMNtKA2P3XnSeKXBN0HSKUk0DCpIeEpMNx3KOpzx1QtVkXUDeAXb8R+CPWHkKAp
+9v5lV/Q2UG39/Mb1QdlNksoVkti0/wIXFUQy2z1ZwfP2Ty/gloZqYVaXcD3qFHea
+XtzbzmYSHqRUVug3+yg1n6qBDl6YblHwr9EwtPAreMzk6FEjjwVE
+-----END CERTIFICATE-----
diff --git a/vectors/cryptography_vectors/x509/custom/aia_ocsp.pem b/vectors/cryptography_vectors/x509/custom/aia_ocsp.pem
new file mode 100644
index 0000000..9bdb5d1
--- /dev/null
+++ b/vectors/cryptography_vectors/x509/custom/aia_ocsp.pem
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/vectors/cryptography_vectors/x509/custom/aia_ocsp_ca_issuers.pem b/vectors/cryptography_vectors/x509/custom/aia_ocsp_ca_issuers.pem
new file mode 100644
index 0000000..1a2b5a2
--- /dev/null
+++ b/vectors/cryptography_vectors/x509/custom/aia_ocsp_ca_issuers.pem
@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----
+MIIDbzCCAlegAwIBAgITBmpzhaASIzPUgqgz8AKBt68y2zANBgkqhkiG9w0BAQUF
+ADApMQ0wCwYDVQQKDARQeUNBMRgwFgYDVQQDDA9jcnlwdG9ncmFwaHkuaW8wHhcN
+MTUwNTA0MTYwMDM1WhcNMTYwNTAzMTYwMDM1WjApMQ0wCwYDVQQKDARQeUNBMRgw
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+hjNLz6PO6KeRbjz9GhTA2hdkxtIpXrjvTv9dEJ1/k0xebsHWgFC43aTlgekw0U4c
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+AQEAG6t7q/a5SzRhXSjl29eK+psDadkm4tS1LC2aVuNexO2ZggK/0n3wkCa7M0jZ
+90DRTWeClBekhx5U0jDNAbzOlb64pnwAxoj+Vw3O5Jn6LoF2il5kpQMcvLII1bh9
+V6iXgEDRZxlAPoVkSMN4bGUKLRmKK0MGWTniw/2eSPOr6wqbzgXytPrPjOVP1XYF
+njasNI/LdXZBxe7AmlNziYMMBt1fII0c6W3PXgTHmGbHAocz+rbWI0ENax8YmKKd
+k99fYtY2675va+a9CVXR2Cr3B86OwltAqvW6iVZP0qF+A+QqrAaZOghCwATu/6Ho
+8OrvFjYaK5wyyBzvUbAs9L7mqg==
+-----END CERTIFICATE-----