ITU T.36:1997
ITU T.36:1997 Security Capabilities For Use With Group 3 Facsimile Terminals Specifies two independent technical solutions for use in the context of secure facsimile transmission, based on the HKM/HFX40 algorithms and RSA algorithm.
Table of Contents
1Scope2References
3Abbreviations
AnnexAProceduresforsecureGroup3document
facsimiletransmissionusingtheHKMandHFXsystem
A.1Introduction
A.2Outlineofthesecurefacsimiledocumentprocedure
AnnexBSecurityinfacsimileG3basedontheRSAalgorithm
B.1Preamble
B.2Introduction
B.3References
B.4Technicaldescription
AnnexCProceduresfortheuseoftheHKMkeymanagement
systemforsecuredocumentfacsimiletransmission
C.1Scope
C.2Conventions
C.2.1General
C.2.2Symbols
C.3DescriptionoftheHKMalgorithmforusewith
facsimileterminals
C.4Registrationmode
C.4.1Procedurefortheregistrationbetween
entitiesXandY(procREGxy)
C.4.2Procedurefortheregistrationbetween
entitiesYandX(procREGyx)
C.4.3Procedureforregistrationinasinglecell
C.4.4Authenticationofregistration
C.5Securemode
C.5.1Procedureforthesecuretransmissionof
SKfromXtoY(procSTKxy)
C.5.2UseofprocSTKxyandprocSTKyxinsecure
mode
C.5.3MutualauthenticationofXandY
C.5.4Secretsessionkeyestablishmentbetween
XandY
C.5.5Confirmationofreceipt
C.5.6Confirmationordenialofintegrity
C.6TheHKMalgorithm
C.6.1Introduction
C.6.2Storedinformation
C.6.3Securelystoredinformation
C.6.4Registrationmode
C.6.4.1procREGxyusingalgebraicnotation
C.6.4.2CalculationsatXtoderiveMPx
C.6.4.3CalculationsatXtoderiveTKx
C.6.4.4CalculationsatYtorecover
MPxbydecryptingTKx
C.6.4.5CalculationsatYtoderiveRCNy
C.6.5Securemode
C.6.5.1procSTKxyusingalgebraicnotation
C.6.5.2CalculationsatXtore-createMPx
C.6.5.3CalculationsatXtoformESSKx
usingHKMD+1
C.6.5.4CalculationsatYtorecoverSKx
C.6.6TheuseoftheHKMalgorithminsecuremode
AnnexDProceduresfortheuseoftheHFX40carriercipher
toprovidemessageconfidentialityforsecure
documentfacsimiletransmission
D.1Scope
D.2DescriptionoftheHFX40algorithmforusewith
facsimileterminalsinsecuremode
D.3ExamplecalculationsfortheHFX40algorithm
D.3.1Introduction
D.3.2Storedinformation
D.3.3Selectionoftheprimes
D.3.4CalculationsusingHFX40togenerate3PRSs
D.3.5Useofthetablestoencryptthemessage
andofthemultiplexertomodifythe
tables
AnnexEProceduresfortheuseoftheHFX40-Ihashing
systemtoprovidemessageintegrityforsecure
documentfacsimiletransmission
E.1Scope
E.2UseoftheHFX40-Ihashingsystem
E.3TheHFX40-Ihashingsystemforusewithfacsimile
terminals
E.3.1Introduction
E.3.2Storedinformation
E.3.3Re-orderingofthesystemmodulating
primenumbers
E.3.4Calculationoftheprimitivestobeused
withHFX40-I
E.3.5CalculationofPH
E.3.6Firstencryption(scrambling)ofPHtoform
SH
E.3.7EncryptionofSHtoformESH
E.4UseoftheHKMAlgorithmtoproduceaPseudoRandom
Sequence
E.4.1Introduction
E.4.1.1CalculationusingHKMto
generateaPRS