Harald Welte | 7a23af3 | 2011-02-07 21:24:26 +0100 | [diff] [blame^] | 1 | MAP-ST-DataTypes {
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| 2 | itu-t identified-organization (4) etsi (0) mobileDomain (0)
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| 3 | gsm-Network (1) modules (3) map-ST-DataTypes (27) version9 (9)}
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| 4 |
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| 5 | DEFINITIONS
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| 6 | IMPLICIT TAGS
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| 7 | ::=
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| 8 | BEGIN
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| 9 |
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| 10 | EXPORTS
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| 11 | SecureTransportArg,
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| 12 | SecureTransportRes,
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| 13 | SecurityHeader,
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| 14 | ProtectedPayload
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| 15 | ;
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| 16 |
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| 17 | IMPORTS
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| 18 | IMSI
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| 19 |
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| 20 | FROM MAP-CommonDataTypes {
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| 21 | itu-t identified-organization (4) etsi (0) mobileDomain (0)
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| 22 | gsm-Network (1) modules (3) map-CommonDataTypes (18) version9 (9)}
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| 23 | ;
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| 24 |
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| 25 | SecureTransportArg ::= SEQUENCE {
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| 26 | securityHeader SecurityHeader,
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| 27 | protectedPayload ProtectedPayload OPTIONAL
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| 28 | }
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| 29 | -- The protectedPayload carries the result of applying the security function
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| 30 | -- defined in 3GPP TS 33.200 to the encoding of the argument of the securely
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| 31 | -- transported operation
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| 32 |
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| 33 | SecureTransportRes ::= SEQUENCE {
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| 34 | securityHeader SecurityHeader,
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| 35 | protectedPayload ProtectedPayload OPTIONAL
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| 36 | }
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| 37 | -- The protectedPayload carries the result of applying the security function
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| 38 | -- defined in 3GPP TS 33.200 to the encoding of the result of the securely
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| 39 | -- transported operation
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| 40 |
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| 41 | SecurityHeader ::= SEQUENCE {
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| 42 | securityParametersIndex SecurityParametersIndex,
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| 43 | originalComponentIdentifier OriginalComponentIdentifier,
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| 44 | initialisationVector InitialisationVector OPTIONAL,
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| 45 | ...}
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| 46 |
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| 47 | ProtectedPayload ::= OCTET STRING(SIZE(1.. 3438))
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| 48 | -- In protection mode 0 (noProtection) the ProtectedPayload carries the transfer
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| 49 | -- syntax value of the component parameter identified by the
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| 50 | -- originalComponentIdentifier.
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| 51 | -- In protection mode 1 (integrityAuthenticity) the protectedPayload carries
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| 52 | -- the transfer syntax value of the component
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| 53 | -- parameter identified by the originalComponentIdentifier, followed by
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| 54 | -- the 32 bit integrity check value.
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| 55 | -- The integrity check value is the result of applying the hash algorithm
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| 56 | -- to the concatenation of the transfer syntax value of the SecurityHeader,
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| 57 | -- and the transfer syntax value of the component parameter.
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| 58 | -- In protection mode 2 (confidentialityIntegrityAuthenticity) the protected
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| 59 | -- payload carries the encrypted transfer syntax
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| 60 | -- value of the component parameter identified by the
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| 61 | -- originalComponentIdentifier, followed by the 32 bit integrity check value.
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| 62 | -- The integrity check value is the result of applying the hash algorithm
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| 63 | -- to the concatenation of the transfer syntax value of the SecurityHeader,
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| 64 | -- and the encrypted transfer syntax value of the component parameter.
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| 65 | -- See 33.200.
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| 66 | -- The length of the protectedPayload is adjusted according to the capabilities of
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| 67 | -- the lower protocol layers
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| 68 |
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| 69 | SecurityParametersIndex ::= OCTET STRING (SIZE(4))
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| 70 |
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| 71 | InitialisationVector ::= OCTET STRING (SIZE(14))
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| 72 | -- the internal structure is defined as follows:
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| 73 | -- Octets 1 to 4 : TVP. The TVP is a 32 bit time stamp. Its value is binary coded
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| 74 | -- and indicates the number of intervals of 100 milliseconds
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| 75 | -- elapsed since 1st January 2002, 0:00:00 UTC
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| 76 | -- Octets 5 to 10: NE-Id. The NE-Id uniquely identifies the sending network entity
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| 77 | -- within the PLMN. It is the entity's E.164 number without CC and
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| 78 | -- NDC. It is TBCD-coded, padded with zeros.
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| 79 | -- Octets 11 to 14: PROP. This 32 bit value is used to make the
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| 80 | -- InitialisationVector unique within the same TVP period.
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| 81 | -- The content is not standardized.
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| 82 |
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| 83 |
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| 84 | OriginalComponentIdentifier ::= CHOICE {
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| 85 | operationCode [0] OperationCode,
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| 86 | errorCode [1] ErrorCode,
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| 87 | userInfo [2] NULL}
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| 88 |
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| 89 | OperationCode ::= CHOICE {
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| 90 | localValue INTEGER,
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| 91 | globalValue OBJECT IDENTIFIER}
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| 92 |
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| 93 | ErrorCode ::= CHOICE {
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| 94 | localValue INTEGER,
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| 95 | globalValue OBJECT IDENTIFIER}
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| 96 |
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| 97 | END
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| 98 |
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