diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h
new file mode 100644
index 0000000..657d6bf
--- /dev/null
+++ b/include/linux/oid_registry.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* ASN.1 Object identifier (OID) registry
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#ifndef _LINUX_OID_REGISTRY_H
+#define _LINUX_OID_REGISTRY_H
+
+#include <linux/types.h>
+
+/*
+ * OIDs are turned into these values if possible, or OID__NR if not held here.
+ *
+ * NOTE!  Do not mess with the format of each line as this is read by
+ *	  build_OID_registry.pl to generate the data for look_up_OID().
+ */
+enum OID {
+	OID_id_dsa_with_sha1,		/* 1.2.840.10030.4.3 */
+	OID_id_dsa,			/* 1.2.840.10040.4.1 */
+	OID_id_ecdsa_with_sha1,		/* 1.2.840.10045.4.1 */
+	OID_id_ecPublicKey,		/* 1.2.840.10045.2.1 */
+
+	/* PKCS#1 {iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-1(1)} */
+	OID_rsaEncryption,		/* 1.2.840.113549.1.1.1 */
+	OID_md2WithRSAEncryption,	/* 1.2.840.113549.1.1.2 */
+	OID_md3WithRSAEncryption,	/* 1.2.840.113549.1.1.3 */
+	OID_md4WithRSAEncryption,	/* 1.2.840.113549.1.1.4 */
+	OID_sha1WithRSAEncryption,	/* 1.2.840.113549.1.1.5 */
+	OID_sha256WithRSAEncryption,	/* 1.2.840.113549.1.1.11 */
+	OID_sha384WithRSAEncryption,	/* 1.2.840.113549.1.1.12 */
+	OID_sha512WithRSAEncryption,	/* 1.2.840.113549.1.1.13 */
+	OID_sha224WithRSAEncryption,	/* 1.2.840.113549.1.1.14 */
+	/* PKCS#7 {iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-7(7)} */
+	OID_data,			/* 1.2.840.113549.1.7.1 */
+	OID_signed_data,		/* 1.2.840.113549.1.7.2 */
+	/* PKCS#9 {iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-9(9)} */
+	OID_email_address,		/* 1.2.840.113549.1.9.1 */
+	OID_contentType,		/* 1.2.840.113549.1.9.3 */
+	OID_messageDigest,		/* 1.2.840.113549.1.9.4 */
+	OID_signingTime,		/* 1.2.840.113549.1.9.5 */
+	OID_smimeCapabilites,		/* 1.2.840.113549.1.9.15 */
+	OID_smimeAuthenticatedAttrs,	/* 1.2.840.113549.1.9.16.2.11 */
+
+	/* {iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2)} */
+	OID_md2,			/* 1.2.840.113549.2.2 */
+	OID_md4,			/* 1.2.840.113549.2.4 */
+	OID_md5,			/* 1.2.840.113549.2.5 */
+
+	/* Microsoft Authenticode & Software Publishing */
+	OID_msIndirectData,		/* 1.3.6.1.4.1.311.2.1.4 */
+	OID_msStatementType,		/* 1.3.6.1.4.1.311.2.1.11 */
+	OID_msSpOpusInfo,		/* 1.3.6.1.4.1.311.2.1.12 */
+	OID_msPeImageDataObjId,		/* 1.3.6.1.4.1.311.2.1.15 */
+	OID_msIndividualSPKeyPurpose,	/* 1.3.6.1.4.1.311.2.1.21 */
+	OID_msOutlookExpress,		/* 1.3.6.1.4.1.311.16.4 */
+
+	OID_certAuthInfoAccess,		/* 1.3.6.1.5.5.7.1.1 */
+	OID_sha1,			/* 1.3.14.3.2.26 */
+	OID_sha256,			/* 2.16.840.1.101.3.4.2.1 */
+	OID_sha384,			/* 2.16.840.1.101.3.4.2.2 */
+	OID_sha512,			/* 2.16.840.1.101.3.4.2.3 */
+	OID_sha224,			/* 2.16.840.1.101.3.4.2.4 */
+
+	/* Distinguished Name attribute IDs [RFC 2256] */
+	OID_commonName,			/* 2.5.4.3 */
+	OID_surname,			/* 2.5.4.4 */
+	OID_countryName,		/* 2.5.4.6 */
+	OID_locality,			/* 2.5.4.7 */
+	OID_stateOrProvinceName,	/* 2.5.4.8 */
+	OID_organizationName,		/* 2.5.4.10 */
+	OID_organizationUnitName,	/* 2.5.4.11 */
+	OID_title,			/* 2.5.4.12 */
+	OID_description,		/* 2.5.4.13 */
+	OID_name,			/* 2.5.4.41 */
+	OID_givenName,			/* 2.5.4.42 */
+	OID_initials,			/* 2.5.4.43 */
+	OID_generationalQualifier,	/* 2.5.4.44 */
+
+	/* Certificate extension IDs */
+	OID_subjectKeyIdentifier,	/* 2.5.29.14 */
+	OID_keyUsage,			/* 2.5.29.15 */
+	OID_subjectAltName,		/* 2.5.29.17 */
+	OID_issuerAltName,		/* 2.5.29.18 */
+	OID_basicConstraints,		/* 2.5.29.19 */
+	OID_crlDistributionPoints,	/* 2.5.29.31 */
+	OID_certPolicies,		/* 2.5.29.32 */
+	OID_authorityKeyIdentifier,	/* 2.5.29.35 */
+	OID_extKeyUsage,		/* 2.5.29.37 */
+
+	/* EC-RDSA */
+	OID_gostCPSignA,		/* 1.2.643.2.2.35.1 */
+	OID_gostCPSignB,		/* 1.2.643.2.2.35.2 */
+	OID_gostCPSignC,		/* 1.2.643.2.2.35.3 */
+	OID_gost2012PKey256,		/* 1.2.643.7.1.1.1.1 */
+	OID_gost2012PKey512,		/* 1.2.643.7.1.1.1.2 */
+	OID_gost2012Digest256,		/* 1.2.643.7.1.1.2.2 */
+	OID_gost2012Digest512,		/* 1.2.643.7.1.1.2.3 */
+	OID_gost2012Signature256,	/* 1.2.643.7.1.1.3.2 */
+	OID_gost2012Signature512,	/* 1.2.643.7.1.1.3.3 */
+	OID_gostTC26Sign256A,		/* 1.2.643.7.1.2.1.1.1 */
+	OID_gostTC26Sign256B,		/* 1.2.643.7.1.2.1.1.2 */
+	OID_gostTC26Sign256C,		/* 1.2.643.7.1.2.1.1.3 */
+	OID_gostTC26Sign256D,		/* 1.2.643.7.1.2.1.1.4 */
+	OID_gostTC26Sign512A,		/* 1.2.643.7.1.2.1.2.1 */
+	OID_gostTC26Sign512B,		/* 1.2.643.7.1.2.1.2.2 */
+	OID_gostTC26Sign512C,		/* 1.2.643.7.1.2.1.2.3 */
+
+	OID__NR
+};
+
+extern enum OID look_up_OID(const void *data, size_t datasize);
+extern int sprint_oid(const void *, size_t, char *, size_t);
+extern int sprint_OID(enum OID, char *, size_t);
+
+#endif /* _LINUX_OID_REGISTRY_H */