Reference record for OID 2.5.44.1.1

Parent

2.5.44.1 (encryptionAlgorithm, id-ea, id-algo-mca)

Node code

Node names

id-ea-rsa
id-algo-multipleSignaturesAlgo
multipleSignaturesAlgo

Numeric OID

2.5.44.1.1

URN notation

urn:oid:2.5.44.1.1

ASN.1 notation

{2 5 44 1 1}

{joint-iso-itu-t(2) ds(5) algorithm(44) encryptionAlgorithm(1) id-ea-rsa(1)}
{joint-iso-itu-t(2) ds(5) algorithm(44) encryptionAlgorithm(1) id-algo-multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) algorithm(44) encryptionAlgorithm(1) multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) algorithm(44) id-ea(1) id-ea-rsa(1)}
{joint-iso-itu-t(2) ds(5) algorithm(44) id-ea(1) id-algo-multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) algorithm(44) id-ea(1) multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) algorithm(44) id-algo-mca(1) id-ea-rsa(1)}
{joint-iso-itu-t(2) ds(5) algorithm(44) id-algo-mca(1) id-algo-multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) algorithm(44) id-algo-mca(1) multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) id-algo(44) encryptionAlgorithm(1) id-ea-rsa(1)}
{joint-iso-itu-t(2) ds(5) id-algo(44) encryptionAlgorithm(1) id-algo-multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) id-algo(44) encryptionAlgorithm(1) multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) id-algo(44) id-ea(1) id-ea-rsa(1)}
{joint-iso-itu-t(2) ds(5) id-algo(44) id-ea(1) id-algo-multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) id-algo(44) id-ea(1) multipleSignaturesAlgo(1)}
{joint-iso-itu-t(2) ds(5) id-algo(44) id-algo-mca(1) id-ea-rsa(1)}
Additional combinations skipped.

OID-IRI notation

/2/5/44/1/1
/Joint-ISO-ITU-T/5/44/1/1

Named path variants

/joint-iso-itu-t/ds/algorithm/encryptionAlgorithm/id-ea-rsa
/joint-iso-itu-t/ds/algorithm/encryptionAlgorithm/id-algo-multipleSignaturesAlgo
/joint-iso-itu-t/ds/algorithm/encryptionAlgorithm/multipleSignaturesAlgo
/joint-iso-itu-t/ds/algorithm/id-ea/id-ea-rsa
/joint-iso-itu-t/ds/algorithm/id-ea/id-algo-multipleSignaturesAlgo
/joint-iso-itu-t/ds/algorithm/id-ea/multipleSignaturesAlgo
/joint-iso-itu-t/ds/algorithm/id-algo-mca/id-ea-rsa
/joint-iso-itu-t/ds/algorithm/id-algo-mca/id-algo-multipleSignaturesAlgo
/joint-iso-itu-t/ds/algorithm/id-algo-mca/multipleSignaturesAlgo
/joint-iso-itu-t/ds/id-algo/encryptionAlgorithm/id-ea-rsa
/joint-iso-itu-t/ds/id-algo/encryptionAlgorithm/id-algo-multipleSignaturesAlgo
/joint-iso-itu-t/ds/id-algo/encryptionAlgorithm/multipleSignaturesAlgo
/joint-iso-itu-t/ds/id-algo/id-ea/id-ea-rsa
/joint-iso-itu-t/ds/id-algo/id-ea/id-algo-multipleSignaturesAlgo
/joint-iso-itu-t/ds/id-algo/id-ea/multipleSignaturesAlgo
/joint-iso-itu-t/ds/id-algo/id-algo-mca/id-ea-rsa
Additional combinations skipped.

Source records

multipleSignaturesAlgo

Status in source: unspecified.

Names: multipleSignaturesAlgo

Technical details

{
  "smi_kind": "ASN.1 information object",
  "definition": [
    "multipleSignaturesAlgo",
    "ALGORITHM",
    "::=",
    "{",
    "PARMS",
    "MultipleSignaturesAlgo",
    "IDENTIFIED",
    "BY",
    "id-algo-multipleSignaturesAlgo",
    "}"
  ]
}

ITU official formal descriptions · Publisher's source file: CryptoTools.html · Official record
Module: CryptoTools
Published definition
```
multipleSignaturesAlgo ALGORITHM ::= {
  PARMS         MultipleSignaturesAlgo
  IDENTIFIED BY id-algo-multipleSignaturesAlgo }
```
Module imports
```
{'GenAlgo': ['id-algo-mca'], 'PKI-Stub': ['AlgoInvoke', 'ALGORITHM', 'AlgorithmIdentifier', 'AlgorithmWithInvoke']}
```
ASN.1 class source excerpt
```
ALGORITHM ::= CLASS {
  &Type          OPTIONAL,
  &DynParms      OPTIONAL,
  &id            OBJECT IDENTIFIER UNIQUE }
WITH SYNTAX {
  [PARMS         &Type]
  [DYN-PARMS     &DynParms ]
  IDENTIFIED BY  &id }
```
· Download CryptoTools.html
Related source files and packages:
- Selected import GenAlgoFile: ITU-T/formal-language/itu-t/x/x510/2023/GenAlgo.html; 17,276 bytes
- Selected import PKI-StubFile: ITU-T/formal-language/itu-t/x/x510/2023/PKI-Stub.html; 9,367 bytes
- ITU-T X.680 (2015) Amd.1 — import version selectionFile: rec/dologin_pub.asp; 447,384 bytes
Source location: CryptoTools::multipleSignaturesAlgo.
Source version and references

Published package: ITU-T X.510 2020-08; file: CryptoTools.html.

Downloaded: 2026-10-20T15:07:34.930881+00:00.

id-algo-multipleSignaturesAlgo

Status in source: unspecified.

Names: id-algo-multipleSignaturesAlgo

Technical details

{
  "smi_kind": "OBJECT IDENTIFIER",
  "definition": [
    "id-algo-multipleSignaturesAlgo",
    "OBJECT",
    "IDENTIFIER",
    "::=",
    "{",
    "id-algo-mca",
    "1",
    "}"
  ]
}

ITU official formal descriptions · Publisher's source file: CryptoTools.html · Official record
Module: CryptoTools
Published definition
```
id-algo-multipleSignaturesAlgo      OBJECT IDENTIFIER ::= {id-algo-mca 1}
```
Module imports
```
{'GenAlgo': ['id-algo-mca'], 'PKI-Stub': ['AlgoInvoke', 'ALGORITHM', 'AlgorithmIdentifier', 'AlgorithmWithInvoke']}
```
· Download CryptoTools.html
Related source files and packages:
- Selected import GenAlgoFile: ITU-T/formal-language/itu-t/x/x510/2023/GenAlgo.html; 17,276 bytes
- Selected import PKI-StubFile: ITU-T/formal-language/itu-t/x/x510/2023/PKI-Stub.html; 9,367 bytes
- ITU-T X.680 (2015) Amd.1 — import version selectionFile: rec/dologin_pub.asp; 447,384 bytes
Source location: CryptoTools::id-algo-multipleSignaturesAlgo.
Source version and references

Published package: ITU-T X.510 2020-08; file: CryptoTools.html.

Downloaded: 2026-10-20T15:07:34.930881+00:00.

id-ea-rsa

Status in source: unspecified.

Names: id-ea-rsa

Technical details

{
  "smi_kind": "OBJECT IDENTIFIER",
  "definition": [
    "id-ea-rsa",
    "ID",
    "::=",
    "{",
    "id-ea",
    "1",
    "}"
  ]
}

ITU official formal descriptions · Publisher's source file: AlgorithmObjectIdentifiers.html · Official record
Module: AlgorithmObjectIdentifiers
Published definition
```
id-ea-rsa               ID ::= {id-ea 1}
```
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::id-ea-rsa.
Source version and references

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

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

multipleSignaturesAlgo

Status in source: unspecified.

Names: multipleSignaturesAlgo

Technical details

{
  "smi_kind": "ASN.1 information object",
  "definition": [
    "multipleSignaturesAlgo",
    "ALGORITHM",
    "::=",
    "{",
    "PARMS",
    "MultipleSignaturesAlgo",
    "IDENTIFIED",
    "BY",
    "{",
    "id-algo-mca",
    "1",
    "}",
    "}"
  ]
}

ITU official formal descriptions · Publisher's source file: CryptoTools.html · Official record
Module: CryptoTools
Published definition
```
multipleSignaturesAlgo ALGORITHM ::= {
  PARMS         MultipleSignaturesAlgo
  IDENTIFIED BY {id-algo-mca 1} }
```
Module imports
```
{'GenAlgo': ['id-algo-mca'], 'PKI-Stub': ['AlgoInvoke', 'ALGORITHM', 'AlgorithmIdentifier', 'AlgorithmWithInvoke']}
```
· Download CryptoTools.html
Related source files and packages:
- ASN.1 class PKI-StubFile: ITU-T/formal-language/itu-t/x/x510/2023/PKI-Stub.html; 9,367 bytes
Source location: CryptoTools::multipleSignaturesAlgo.
Source version and references

Published package: ITU-T X.510 2023-10; file: CryptoTools.html.

Downloaded: 2026-10-20T15:07:35.724097+00:00.

First Registration Authority (inferred from ancestor 2.5)

Hoyt Kesterson & R. Exner

Current Registration Authority (inferred from ancestor 2)

ITU-T SG 17 & ISO/IEC JTC 1/SC 6

Siblings (18)

OID	Name	Direct children	Descendants	Description
2.5.44.1.2	id-algo-multipleSymmetricKeyAlgo, multipleSymmetricKeyAlgo, multiplePublicKeyAlgo	0	0
2.5.44.1.3	id-algo-multiplePublicKeyAlgo, multiplePublicKeyAlgo, multipleHashAlgo	0	0
2.5.44.1.4	id-algo-multipleHashAlgo, multipleHashAlgo, multipleKeyEstablishmentAlgo	0	0
2.5.44.1.5	id-algo-multipleAuthenEncryptAlgo, multipleAuthenEncryptAlgo, multipleDataPhaseProtection	0	0
2.5.44.1.6	id-algo-multipleIcvAlgo, multipleIcvAlgo	0	0
2.5.44.1.10	choiceSignatureAlgo	0	0
2.5.44.1.11	choicePublicKeyAlgo	0	0
2.5.44.1.12	choiceHashAlgo	0	0
2.5.44.1.13	choiceKeyEstablishmentAlgo	0	0
2.5.44.1.14	choiceDataPhaseProtection	0	0
2.5.44.1.20	multipleSignaturesAlgoInvoke	0	0
2.5.44.1.21	multiplePublicKeyAlgoInvoke	0	0
2.5.44.1.22	multipleHashAlgoInvoke	0	0
2.5.44.1.23	multipleKeyEstablishmentAlgoInvoke	0	0
2.5.44.1.30	choiceSignatureAlgoInvoke	0	0
2.5.44.1.31	choicePublicKeyAlgoInvoke	0	0
2.5.44.1.32	choiceHashAlgoInvoke	0	0
2.5.44.1.33	choiceKeyEstablishmentAlgoInvoke	0	0