ASN.1 Decoder

ASN.1 Decoder by: [ manaslu_eiger@yahoo.co.jp ]
Hosted at: [ www.geocities.co.jp/SiliconValley-SanJose/3377/asn1JS.js ]
Some oids have been added to the default oid list.

Input

Output

OIDs

0.2.262.1.10.0,extension
0.2.262.1.10.1.1,signature
1.2.840.113549.1.1,pkcs-1
1.2.840.113549.1.1.1,rsaEncryption
1.2.840.113549.1.1.4,md5withRSAEncryption
1.2.840.113549.1.1.5,sha1withRSAEncryption
1.2.840.113549.1.1.6,rsaOAEPEncryptionSET
1.2.840.113549.1.7,pkcs-7
1.2.840.113549.1.7.1,data
1.2.840.113549.1.7.2,signedData
1.2.840.113549.1.7.3,envelopedData
1.2.840.113549.1.7.4,signedAndEnvelopedData
1.2.840.113549.1.7.5,digestedData
1.2.840.113549.1.7.6,encryptedData
1.2.840.113549.1.7.7,dataWithAttributes
1.2.840.113549.1.7.8,encryptedPrivateKeyInfo
1.2.840.113549.1.9.22.1,x509Certificate(for.PKCS.#12)
1.2.840.113549.1.9.23.1,x509Crl(for.PKCS.#12)
1.2.840.113549.1.9.3,contentType
1.2.840.113549.1.9.4,messageDigest
1.2.840.113549.1.9.5,signingTime
2.16.840.1.113730.1,cert-extension
2.16.840.1.113730.1.1,netscape-cert-type
2.16.840.1.113730.1.12,netscape-ssl-server-name
2.16.840.1.113730.1.13,netscape-comment
2.16.840.1.113730.1.2,netscape-base-url
2.16.840.1.113730.1.3,netscape-revocation-url
2.16.840.1.113730.1.4,netscape-ca-revocation-url
2.16.840.1.113730.1.7,netscape-cert-renewal-url
2.16.840.1.113730.1.8,netscape-ca-policy-url
2.23.42.0,contentType
2.23.42.1,msgExt
2.23.42.10,national
2.23.42.2,field
2.23.42.2.0,fullName
2.23.42.2.1,givenName
2.23.42.2.10,amount
2.23.42.2.2,familyName
2.23.42.2.3,birthFamilyName
2.23.42.2.4,placeName
2.23.42.2.5,identificationNumber
2.23.42.2.6,month
2.23.42.2.7,date
2.23.42.2.7.11,accountNumber
2.23.42.2.7.12,passPhrase
2.23.42.2.8,address
2.23.42.3,attribute
2.23.42.3.0,cert
2.23.42.3.0.0,rootKeyThumb
2.23.42.3.0.1,additionalPolicy
2.23.42.4,algorithm
2.23.42.5,policy
2.23.42.5.0,root
2.23.42.6,module
2.23.42.7,certExt
2.23.42.7.0,hashedRootKey
2.23.42.7.1,certificateType
2.23.42.7.2,merchantData
2.23.42.7.3,cardCertRequired
2.23.42.7.5,setExtensions
2.23.42.7.6,setQualifier
2.23.42.8,brand
2.23.42.9,vendor
2.23.42.9.22,eLab
2.23.42.9.31,espace-net
2.23.42.9.37,e-COMM
2.5.29.1,authorityKeyIdentifier
2.5.29.10,basicConstraints
2.5.29.11,nameConstraints
2.5.29.12,policyConstraints
2.5.29.13,basicConstraints
2.5.29.14,subjectKeyIdentifier
2.5.29.15,keyUsage
2.5.29.16,privateKeyUsagePeriod
2.5.29.17,subjectAltName
2.5.29.18,issuerAltName
2.5.29.19,basicConstraints
2.5.29.2,keyAttributes
2.5.29.20,cRLNumber
2.5.29.21,cRLReason
2.5.29.22,expirationDate
2.5.29.23,instructionCode
2.5.29.24,invalidityDate
2.5.29.25,cRLDistributionPoints
2.5.29.26,issuingDistributionPoint
2.5.29.27,deltaCRLIndicator
2.5.29.28,issuingDistributionPoint
2.5.29.29,certificateIssuer
2.5.29.3,certificatePolicies
2.5.29.30,nameConstraints
2.5.29.31,cRLDistributionPoints
2.5.29.32,certificatePolicies
2.5.29.33,policyMappings
2.5.29.34,policyConstraints
2.5.29.35,authorityKeyIdentifier
2.5.29.36,policyConstraints
2.5.29.37,extKeyUsage
2.5.29.4,keyUsageRestriction
2.5.29.5,policyMapping
2.5.29.6,subtreesConstraint
2.5.29.7,subjectAltName
2.5.29.8,issuerAltName
2.5.29.9,subjectDirectoryAttributes
2.5.4.0,objectClass
2.5.4.1,aliasedEntryName
2.5.4.10,organizationName
2.5.4.10.1,collectiveOrganizationName
2.5.4.11,organizationalUnitName
2.5.4.11.1,collectiveOrganizationalUnitName
2.5.4.12,title
2.5.4.13,description
2.5.4.14,searchGuide
2.5.4.15,businessCategory
2.5.4.16,postalAddress
2.5.4.16.1,collectivePostalAddress
2.5.4.17,postalCode
2.5.4.17.1,collectivePostalCode
2.5.4.18,postOfficeBox
2.5.4.18.1,collectivePostOfficeBox
2.5.4.19,physicalDeliveryOfficeName
2.5.4.19.1,collectivePhysicalDeliveryOfficeName
2.5.4.2,knowledgeInformation
2.5.4.20,telephoneNumber
2.5.4.20.1,collectiveTelephoneNumber
2.5.4.21,telexNumber
2.5.4.21.1,collectiveTelexNumber
2.5.4.22.1,collectiveTeletexTerminalIdentifier
2.5.4.23,facsimileTelephoneNumber
2.5.4.23.1,collectiveFacsimileTelephoneNumber
2.5.4.25,internationalISDNNumber
2.5.4.25.1,collectiveInternationalISDNNumber
2.5.4.26,registeredAddress
2.5.4.27,destinationIndicator
2.5.4.28,preferredDeliveryMehtod
2.5.4.29,presentationAddress
2.5.4.3,commonName
2.5.4.31,member
2.5.4.32,owner
2.5.4.33,roleOccupant
2.5.4.34,seeAlso
2.5.4.35,userPassword
2.5.4.36,userCertificate
2.5.4.37,caCertificate
2.5.4.38,authorityRevocationList
2.5.4.39,certificateRevocationList
2.5.4.4,surname
2.5.4.40,crossCertificatePair
2.5.4.41,name
2.5.4.42,givenName
2.5.4.43,initials
2.5.4.44,generationQualifier
2.5.4.45,uniqueIdentifier
2.5.4.46,dnQualifier
2.5.4.47,enhancedSearchGuide
2.5.4.48,protocolInformation
2.5.4.49,distinguishedName
2.5.4.5,serialNumber
2.5.4.50,uniqueMember
2.5.4.51,houseIdentifier
2.5.4.52,supportedAlgorithms
2.5.4.53,deltaRevocationList
2.5.4.55,clearance
2.5.4.58,crossCertificatePair
2.5.4.6,countryName
2.5.4.7,localityName
2.5.4.7.1,collectiveLocalityName
2.5.4.8,stateOrProvinceName
2.5.4.8.1,collectiveStateOrProvinceName
2.5.4.9,streetAddress
2.5.4.9.1,collectiveStreetAddress
2.5.6.0,top
2.5.6.1,alias
2.5.6.10,residentialPerson
2.5.6.11,applicationProcess
2.5.6.12,applicationEntity
2.5.6.13,dSA
2.5.6.14,device
2.5.6.15,strongAuthenticationUser
2.5.6.16,certificateAuthority
2.5.6.17,groupOfUniqueNames
2.5.6.2,country
2.5.6.21,pkiUser
2.5.6.22,pkiCA
2.5.6.3,locality
2.5.6.4,organization
2.5.6.5,organizationalUnit
2.5.6.6,person
2.5.6.7,organizationalPerson
2.5.6.8,organizationalRole
2.5.6.9,groupOfNames
2.5.8,X.500-Algorithms
2.5.8.1,X.500-Alg-Encryption
2.5.8.1.1,rsa
2.54.1775.2,hashedRootKey
2.54.1775.3,certificateType
2.54.1775.4,merchantData
2.54.1775.5,cardCertRequired
2.54.1775.7,setQualifier
2.54.1775.99,set-data
1.2.840.10045.4.3.1,ecdsa-with-Sha224
1.2.840.10045.4.3.2,ecdsa-with-Sha256
1.2.840.10045.4.3.3,ecdsa-with-Sha384
1.2.840.10045.4.3.4,ecdsa-with-Sha512
1.2.840.10045.2.1,ecPublicKey
1.2.840.10045.3.1.7,prime256v1
1.2.840.113533.7.65.0,entrustVersInfo

Input can be:
 30 03 02 01 ff ..	(HEX string)
 30030201ff..		(HEX string, without space)
 30 03 02 01 FF ..	(HEX string, upper case)
 30030201FF..		(HEX string, without space, upper case)
 Q2hhbmdlIHRoZSBzY3J..	(BASE64)

Any carriage-returns, line-feeds, and tabs can be used instead of space. They'll be ignored.

(In case of HEX string with space) Each token must have 2 digits even if being less than 16.