Reference record for OID 1.2.840.10045

Parent

1.2.840 (us, us-iso)

Node code

10045

Node names

ansi-x962
ansi-X9-62
ansi-x9-62

Numeric OID

1.2.840.10045

URN notation

urn:oid:1.2.840.10045

ASN.1 notation

{1 2 840 10045}

{iso(1) member-body(2) us(840) ansi-x962(10045)}
{iso(1) member-body(2) us(840) ansi-X9-62(10045)}
{iso(1) member-body(2) us(840) ansi-x9-62(10045)}
{iso(1) member-body(2) us-iso(840) ansi-x962(10045)}
{iso(1) member-body(2) us-iso(840) ansi-X9-62(10045)}
{iso(1) member-body(2) us-iso(840) ansi-x9-62(10045)}
{iso(1) memberBody(2) us(840) ansi-x962(10045)}
{iso(1) memberBody(2) us(840) ansi-X9-62(10045)}
{iso(1) memberBody(2) us(840) ansi-x9-62(10045)}
{iso(1) memberBody(2) us-iso(840) ansi-x962(10045)}
{iso(1) memberBody(2) us-iso(840) ansi-X9-62(10045)}
{iso(1) memberBody(2) us-iso(840) ansi-x9-62(10045)}

OID-IRI notation

/1/2/840/10045
/ISO/Member-Body/US/10045
/ISO/Member-Body/840/10045
/ISO/2/840/10045

Named path variants

/iso/member-body/us/ansi-x962
/iso/member-body/us/ansi-X9-62
/iso/member-body/us/ansi-x9-62
/iso/member-body/us-iso/ansi-x962
/iso/member-body/us-iso/ansi-X9-62
/iso/member-body/us-iso/ansi-x9-62
/iso/memberBody/us/ansi-x962
/iso/memberBody/us/ansi-X9-62
/iso/memberBody/us/ansi-x9-62
/iso/memberBody/us-iso/ansi-x962
/iso/memberBody/us-iso/ansi-X9-62
/iso/memberBody/us-iso/ansi-x9-62

Descriptions

Descriptions may differ between sources. The primary description is shown first.

Primary description: OID Repository

ANSI X9.62 standard (1998) "Public Key Cryptography for the Financial Services Industry: The Elliptic Curve Digital Signature Algorithm (ECDSA)"
View at oid-base.com

Source records

ansi-x9-62

Status in source: unspecified.

Names: ansi-x9-62

Technical details

{
  "smi_kind": "OBJECT IDENTIFIER",
  "definition": [
    "ansi-x9-62",
    "ID",
    "::=",
    "{",
    "us-iso",
    "ansi-x962",
    "(",
    "10045",
    ")",
    "}"
  ]
}

ITU official formal descriptions · Publisher's source file: AlgorithmObjectIdentifiers.asn
Module: AlgorithmObjectIdentifiers
Published definition
```
ansi-x9-62              ID ::= { us-iso ansi-x962(10045) }
```
Module imports
```
{'UsefulDefinitions': ['algorithm', 'authenticationFramework'], 'AuthenticationFramework': ['ALGORITHM', 'AlgorithmIdentifier', 'SupportedAlgorithms', 'SupportedCurves']}
```
· Download AlgorithmObjectIdentifiers.asn
Related source files and packages:
- ASN.1 class AuthenticationFrameworkFile: wftp3/Public/t/fl/itu-t/x/x509/2016/AuthenticationFramework.asn; 17,912 bytes
Source location: AlgorithmObjectIdentifiers::ansi-x9-62.
Source version and references

Published package: ITU-T X.509 2016; file: AlgorithmObjectIdentifiers.asn.

Downloaded: 2026-10-19T21:40:37.022258+00:00.
ITU official formal descriptions · Publisher's source file: AlgorithmObjectIdentifiers.html · Official record
Module: AlgorithmObjectIdentifiers
Published definition
```
ansi-x9-62              ID ::= { us-iso ansi-x962(10045) }
```
Module imports
```
{'UsefulDefinitions': ['algorithm'], 'AuthenticationFramework': ['ALGORITHM', 'AlgorithmIdentifier', 'SupportedAlgorithms', 'SupportedCurves']}
```
· Download AlgorithmObjectIdentifiers.html
Related source files and packages:
- ASN.1 class AuthenticationFrameworkFile: ITU-T/formal-language/itu-t/x/x509/2019/AuthenticationFramework.html; 20,677 bytes
Source location: AlgorithmObjectIdentifiers::ansi-x9-62.
Source version and references

Published package: ITU-T X.509 2019-10; file: AlgorithmObjectIdentifiers.html.

Downloaded: 2026-10-20T15:07:33.839767+00:00.

ansi-X9-62

Status in source: unspecified.

Names: ansi-X9-62

Technical details

{
  "smi_kind": "OBJECT IDENTIFIER",
  "definition": [
    "ansi-X9-62",
    "OBJECT",
    "IDENTIFIER",
    "::=",
    "{",
    "iso",
    "(",
    "1",
    ")",
    "member-body",
    "(",
    "2",
    ")",
    "us",
    "(",
    "840",
    ")",
    "10045",
    "}"
  ]
}

RFC Editor · RFC 3279 · RFC errata · Publisher's source file: Algorithms and Identifiers for the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
Module: PKIX1Algorithms88
Published definition
```
ansi-X9-62 OBJECT IDENTIFIER ::= {
        iso(1) member-body(2) us(840) 10045 }
```
· Download Algorithms and Identifiers for the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
Related source files and packages:
- RFC TXT — rfc3447.txtFile: rfc/rfc3447.txt; 143,173 bytes
- RFC TXT — rfc5912.txtFile: rfc/rfc5912.txt; 216,154 bytes
- RFC TXT — rfc8017.txtFile: rfc/rfc8017.txt; 154,696 bytes
Source location: PKIX1Algorithms88::ansi-X9-62.
Source version and references

Downloaded: 2026-10-19T00:19:37.636853+00:00.
ITU official formal descriptions · Publisher's source file: ANSI-X9-62.asn
Module: ANSI-X9-62
Published definition
```
ansi-X9-62 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) 10045 }
```
· Download ANSI-X9-62.asn
Source location: ANSI-X9-62::ansi-X9-62.
Source version and references

Published package: ITU-T X.894 2018-cor1; file: ANSI-X9-62.asn.

Downloaded: 2026-10-19T21:41:01.280052+00:00.
ITU official formal descriptions · Publisher's source file: TransientKey.asn
Module: ANSI-X9-62
Published definition
```
ansi-X9-62 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) 10045 }
```
· Download TransientKey.asn
Source location: ANSI-X9-62::ansi-X9-62.
Source version and references

Published package: ITU-T X.894 2018-cor1; file: TransientKey.asn.

Downloaded: 2026-10-19T21:41:03.278840+00:00.
RFC Editor · RFC 5759 · RFC errata · Publisher's source file: Suite B Certificate and Certificate Revocation List (CRL) Profile · Official record
Published definition
```
ansi-X9-62 OBJECT IDENTIFIER ::= {
         iso(1) member-body(2) us(840) 10045 }
```
RFC 5759 use documented in January 2010

Suite B Object Identifiers · Section 3.2: Suite B Object Identifiers

· Download Suite B Certificate and Certificate Revocation List (CRL) Profile
Source location: RFC5759 section 3.2::ansi-X9-62.
Source version and references

Downloaded: 2026-10-19T00:22:05.980423+00:00.
RFC Editor · RFC 8603 · RFC errata · Publisher's source file: Commercial National Security Algorithm (CNSA) Suite Certificate and Certificate Revocation List (CRL) Profile · Official record
Published definition
```
ansi-X9-62 OBJECT IDENTIFIER ::= {
            iso(1) member-body(2) us(840) 10045 }
```
RFC 8603 use documented in May 2019

CNSA Suite Object Identifiers for ECDSA · Section 4.2.1: CNSA Suite Object Identifiers for ECDSA

· Download Commercial National Security Algorithm (CNSA) Suite Certificate and Certificate Revocation List (CRL) Profile
Source location: RFC8603 section 4.2.1::ansi-X9-62.
Source version and references

Downloaded: 2026-10-19T00:25:18.691597+00:00.

ansi-x9-62

Status in source: unspecified.

Names: ansi-x9-62

Technical details

{
  "smi_kind": "OBJECT IDENTIFIER",
  "definition": [
    "ansi-x9-62",
    "OBJECT",
    "IDENTIFIER",
    "::=",
    "{",
    "iso",
    "(",
    "1",
    ")",
    "member-body",
    "(",
    "2",
    ")",
    "us",
    "(",
    "840",
    ")",
    "10045",
    "}"
  ]
}

RFC Editor · RFC 5753 · RFC errata · Publisher's source file: Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS) · Official record
Published definition
```
ansi-x9-62 OBJECT IDENTIFIER ::= {
        iso(1) member-body(2) us(840) 10045 }
```
Related ASN.1 definitions
```
ansi-x9-62 OBJECT IDENTIFIER ::= {
        iso(1) member-body(2) us(840) 10045 }
```
```
where

      ansi-x9-62 OBJECT IDENTIFIER ::= {
        iso(1) member-body(2) us(840) 10045 }

   When the object identifier id-ecPublicKey is used here with an
   algorithm identifier, the associated parameters MUST be either absent
   or ECParameters.  Implementations MUST accept id-ecPublicKey with
   absent and ECParameters parameters.  If ECParameters is present, its
```
RFC 5753 use documented in January 2010

Originator Public Key · Section 7.1.2:

Literal namespace and algorithm references from this RFC edition; the cited section specifies their protocol role.

· Download Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS)
Source location: RFC5753 supplemental 7.1.2::ansi-x9-62.
Source version and references

Downloaded: 2026-10-19T00:22:05.619181+00:00.
RFC Editor · RFC 3278 · RFC errata · Publisher's source file: Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS) · Official record
Published definition
```
ansi-x9-62 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840)
        10045 }
```
RFC 3278 use documented in May 2002

Algorithm identifiers · Section 8.1: Algorithm identifiers

· Download Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS)
Source location: RFC3278 section 8.1::ansi-x9-62.
Source version and references

Downloaded: 2026-10-19T00:19:37.597513+00:00.

ansi-X9-62

Status in source: unspecified.

Names: ansi-X9-62

Technical details

{
  "definition": [
    "ansi-X9-62",
    "OBJECT",
    "IDENTIFIER",
    "::=",
    "{",
    "iso",
    "(",
    "1",
    ")",
    "member-body",
    "(",
    "2",
    ")",
    "us",
    "(",
    "840",
    ")",
    "10045",
    "}"
  ]
}

BSI published OID specifications · Publisher's source file: BSI-TR-03111_V-2-0_pdf.pdf
Published definition
```
ansi-X9-62 OBJECT IDENTIFIER ::= {
       iso(1) member-body(2) us(840) 10045 }
```
· Download BSI-TR-03111_V-2-0_pdf.pdf
Source location: Physical PDF page 30 / ansi-X9-62.
Source version and references

Published package: BSI TR-03111 Elliptic Curve Cryptography, Version 2.0 2.0; file: BSI-TR-03111_V-2-0_pdf.pdf.

Downloaded: 2026-10-20T01:31:35.437726+00:00.
BSI published OID specifications · Publisher's source file: BSI-TR-03111_V-2-1_pdf.pdf
Published definition
```
ansi-X9-62 OBJECT IDENTIFIER ::= {
       iso(1) member-body(2) us(840) 10045 }
```
· Download BSI-TR-03111_V-2-1_pdf.pdf
Source location: Physical PDF page 30 / ansi-X9-62.
Source version and references

Published package: BSI TR-03111 Elliptic Curve Cryptography, Version 2.10 2.10; file: BSI-TR-03111_V-2-1_pdf.pdf.

Downloaded: 2026-10-20T01:31:34.378088+00:00.

Current Registration Authority

X9F

Direct children (6)

OID	Name	Direct children	Descendants	Description
1.2.840.10045.0	0	1	1
1.2.840.10045.1	fieldType, id-fieldType	2	6	Field type
1.2.840.10045.2	keyType, id-publicKeyType, id-public-key-type	2	2	Public key type
1.2.840.10045.3	curves, ellipticCurve	2	29	ANSI X9.62 named elliptic curves
1.2.840.10045.4	signatures, id-ecSigType	3	7	ANSI X9.62 ECDSA signatures or modules
1.2.840.10045.5	module	1	1	Modules

Siblings (55)

OID	Name	Direct children	Descendants	Description
1.2.840.1	organization	2	7	US organizations
1.2.840.101	gov	0	0	U.S. government agencies
1.2.840.802	802	1	7
1.2.840.1006	dot3	1	82
1.2.840.10003	z39-50	16	201	Z39-50 standard from ANSI (American National Standards Institute)
1.2.840.10004	ieee11073	1	10	ISO/IEEE 11073 "Health informatics -- Point-of-care medical (or, Personal health) device communication"
1.2.840.10006	ieee802dot3, dot3, ate02dot3, 802dot3	1	265	IEEE 802.3 Ethernet working group
1.2.840.10007	ieee802-1B	1	3	ISO/IEC 15802-2:1995 \| IEEE 802.1B Standard, Part 2: Information technology -- Telecommunications and information exchange betw…
1.2.840.10008	dicom	12	2082	Digital Imaging and COmmunications in Medicine (DICOM) standard
1.2.840.10010	ieee802dot1partE	1	3	ISO/IEC 15802-4 \| IEEE 802.1, part E
1.2.840.10011	ieee802dot1partF	0	0	IEEE 802.1F standard: IEEE Standards for Local and Metropolitan Area Networks: Common Definitions and Procedures for IEEE 802 M…
1.2.840.10013	t1-114	1	5	ANSI T1.114 "Signalling System Number 7 (SS7) - Transaction Capabilities Application Part (TCAP)"
1.2.840.10017	ieee-1224	1	1	IEEE-1224 IEEE assigned object identifier as used in XAPIA work - specifically the XOM packages
1.2.840.10022	ieee-802-10	0	0	IEEE 802.10 Standards for Interoperable LAN/MAN Security (SILS)
1.2.840.10036	ieee802dot11	7	2171	`ieee802dot11 MODULE-IDENTITY LAST-UPDATED "9807080000Z" ORGANIZATION "IEEE 802.11" CONTACT-INFO "WG E-mail: stds-802-11@ieee.or…`
1.2.840.10040	x9-57, ansi-x9-57	4	14	ANSI standard X9.57 (1997): "Public Key Cryptography for the Financial Services Industry: Certificate Management"
1.2.840.10046	ansi-x942, ansi-x9-42, ansi-X9-42, ansiX942	7	30	ANSI X9.42 "Public Key Cryptography for The Financial Services Industry: Agreement of Symmetric Keys Using Discrete Logarithm C…
1.2.840.10047	ansi-x952	1	8	ANS X9.52-1998 standard: Triple Data Encryption Algorithm Modes of Operation
1.2.840.10052	x945	5	43	ANS X9.45
1.2.840.10060	x973	4	17	ANSI X9.73 "Cryptographic Message Syntax"
1.2.840.10065	10065	0	0	ASTM International Subcommittee E31.20: Data and System Security for Health Information
1.2.840.10066	10066	0	0	ANSI C12.19 Application context
1.2.840.10070	10070	2	6	IEC 62351 "Power systems management and associated information exchange -- Data and communications security"
1.2.840.113527	113527	0	0	AT&T
1.2.840.113533	nortelnetworks	1	25	Nortel Networks
1.2.840.113536	sun	4	4	Sun Microsystems
1.2.840.113549	rsadsi	5	556	RSA Security Limited Liability Company (LLC)
1.2.840.113554	mit	5	57	Massachusetts Institute of Technology (MIT)
1.2.840.113556	microsoft	4	2261	Microsoft, Inc.
1.2.840.113560	columbia-university	0	0	Columbia University
1.2.840.113564	113564	0	0	Carestream (previously, Kodak)
1.2.840.113572	unisys	2	3	Unisys Corp.
1.2.840.113583	adobe	1	3	Adobe Systems Incorporated
1.2.840.113612	esnet	3	32	ESnet (Energy Sciences Network)
1.2.840.113613	nersc-lbnl	0	0	National Energy Research Scientific Computing (NERSC) center at Lawrence Berkeley National Laboratory (LBNL)
1.2.840.113618	113618	1	1	The University of Texas System URL for further info: http://www.utsystem.edu
1.2.840.113619	113619	1	3	General Electric
1.2.840.113635	apple	1	56	Apple Inc.
1.2.840.113658	xapia	0	0	XAPIA The XAPIA (X.400 Application Program Interface Association), a non-profit association of vendors and large end user orga…
1.2.840.113669	113669	0	0	Merge Technologies
1.2.840.113681	113681	0	0	Hologic
1.2.840.113699	wordperfect	1	10	WordPerfect
1.2.840.113704	113704	0	0	Philips
1.2.840.113737	tia	3	23	Telecommunications Industry Association (TIA)
1.2.840.113741	113741	0	0	Intel Corporation Intel Corporation Directory Objects managed by Glen Maxson Intel Corporation 1900 Prairie City Road Folsom, …
1.2.840.113797	brit-systems	0	0	Beyond Roentgen Imaging Technologies (BRIT) Systems
1.2.840.114021	114021	0	0	Identrus Identrus LLC URL for further info: http://www.identrus.com
1.2.840.114050	114050	0	0	Cognos Cognos Incorporated URL for further info: http://www.cognos.com
1.2.840.114191	sorna	0	0	Sorna Corp.
1.2.840.114222	114222	0	0	Centers for Disease Control (CDC)