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0531 -

Algorithm parameter qualifier
UN/EDIFACT Syntax Version 4 Revision 2 Service Code List

Repr:an..3
Desc:Specification of the type of parameter value.
This table also occurs in the following versions of this standard:
40000, 40001, 40002, 40003, 40004, 40005, 40006, 40007, 40100, 40101, 40102

1Initialisation value, clear text
Identifies the algorithm parameter value as an unencrypted initialisation value.
2Initialisation value, encrypted under a symmetric key
Identifies the algorithm parameter value as an initialisation value which is encrypted under the symmetric data key.
3Initialisation value, encrypted under a public key
Identifies the algorithm parameter value as an initialisation value encrypted under the public key of the receiving party.
4Initialisation value, format mutually agreed
Identifies the algorithm parameter value as an initialisation value in a format agreed between the two parties.
5Symmetric key, encrypted under a symmetric key
Identifies the algorithm parameter value as a symmetric key which is encrypted with a previously agreed algorithm under a previously exchanged symmetric key.
6Symmetric key, encrypted under a public key
Identifies the algorithm parameter value as a symmetric key encrypted under the public key of the receiving party.
7Symmetric key, signed and encrypted
Identifies the algorithm parameter value as a symmetric key signed under the sender's secret key, then encrypted under the receiver's public key.
8Symmetric key encrypted under an asymmetric key common to the sender and the receiver
Identifies the algorithm parameter value as a symmetric key encrypted under an asymmetric key common to the sender and the receiver (use of Diffie and Hellman scheme, for instance).
9Symmetric key name
Identifies the algorithm parameter value as the name of a symmetric key. This may be used in the case where a key relationship has already been established between the sender and receiver.
10Key encrypting key name
Identifies the parameter value as the name of a key encrypting key.
11Symmetric key, format mutually agreed
Identifies the algorithm parameter value as a symmetric key in a format agreed between the two parties.
12Modulus
Identifies the algorithm parameter value as the modulus of a public key which is to be used according to the function defined by the use of algorithm.
13Exponent
Identifies the algorithm parameter value as the exponent of a public key which is to be used according to the function defined by the use of algorithm.
14Modulus length
Identifies the algorithm parameter value as the length of the modulus (in bits) of the public key used in the algorithm. The length is independent of whatever filtering function may be in use.
15Generic parameter 1
Identifies the algorithm parameter value as the first generic parameter.
16Generic parameter 2
Identifies the algorithm parameter value as the second generic parameter.
17Generic parameter 3
Identifies the algorithm parameter value as the third generic parameter.
18Generic parameter 4
Identifies the algorithm parameter value as the fourth generic parameter.
19Generic parameter 5
Identifies the algorithm parameter value as the fifth generic parameter.
20Generic parameter 6
Identifies the algorithm parameter value as the sixth generic parameter.
21Generic parameter 7
Identifies the algorithm parameter value as the seventh generic parameter.
22Generic parameter 8
Identifies the algorithm parameter value as the eighth generic parameter.
23Generic parameter 9
Identifies the algorithm parameter value as the ninth generic parameter.
24Generic parameter 10
Identifies the algorithm parameter value as the tenth generic parameter.
25DSA parameter P
Identifies the algorithm parameter value as the parameter P of DSA algorithm.
26DSA parameter Q
Identifies the algorithm parameter value as the parameter Q of DSA algorithm.
27DSA parameter G
Identifies the algorithm parameter value as the parameter G of DSA algorithm.
28DSA parameter Y
Identifies the algorithm parameter value as the parameter Y of DSA algorithm.
29Initial value for CRC calculation
Identifies the algorithm parameter value as the initial value for the CRC calculation.
30Initial directory tree
Identifies the algorithm parameter value as the initial directory tree for the data compression algorithm specified.
31Integrity value offset
Identifies the algorithm parameter value as the offset within the compressed text where the integrity value is located.
33Generator
Identifies the algorithm parameter value as the generator for a secret key agreement mechanism.
34Symmetric key activation date/time
Identifies the activation date/time of a symmetric key. The date/time format shall be CCYYMMDDHHMMSS.
35PKCS#1-EME-OAEP HF
Identifies the algorithm parameter value as the code of the hash function used by EME-OAEP padding mechanism as defined in PKCS#1, Version 2.
36PKCS#1-EME-OAEP MGF
Identifies the algorithm parameter value as the code of the mask generation function used by EME-OAEP padding mechanism as defined in PKCS#1, Version 2.
37PKCS#1-EME-OAEP P Init
Identifies the algorithm parameter value as the initial octets of the encoding parameter octet string (P) used by EME-OAEP padding mechanism as defined in PKCS#1, Version 2.
38PKCS#1-EME-OAEP P Cont
Identifies the algorithm parameter value as the additional octets of the encoding parameter octet string (P) following the initial octets, used by EME-OAEP padding mechanism as defined in PKCS#1, Version 2.
39PKCS#1-EME-OAEP P Final
Identifies the algorithm parameter value as the final octets of the encoding parameter octet string (P) following the initial or additional octets, used by EME-OAEP padding mechanism as defined in PKCS#1, Version 2.
40PKCS#1-EME-OAEP HF/MGF
Identifies the algorithm parameter value as the code of the hash function used by the mask generation function used by EME-OAEP padding mechanism as defined in PKCS#1, Version 2.
41PKCS#1-EME-OAEP LENGTH
Identifies the algorithm parameter value as the intended length of the result produced by EME-OAEP padding mechanism as defined in PKCS#1, Version 2.
ZZZ
Mutually agreed
Mutually agreed between trading partners.

Change indicators
plus sign An addition.
asterisk Addition/substraction/change to a code entry for a particular data element.
hash or pound sign Changes to names.
vertical bar Changes to text for descriptions, notes and functions.
minus sign A deletion.
letter X Marked for deletion.

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