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SET_Block_Decompose CCA Release 2.54
SET_Block_Decompose (CSNDSBD)
Platform/
Product
OS/2 AIX Win NT/
2000
OS/400
IBM 4758-2/23 X X X X
The SET_Block_Decompose verb decomposes the RSA-OAEP block and DES
decrypts the data block in support of the SET protocols.
Restrictions
The maximum data block that can be supplied for DES decryption is the limit as
expressed in the Decipher service (see page 6-5).
The DES_key_block_length parameter must point to an integer which has a value
of zero, 64, or 128. The DES_key_block parameter must point to a buffer of the
size designated by DES_key_block_length. When the length is zero, it is also
acceptable for the DES key block pointer to be NULL.
The chaining_vector parameter must be a null address pointer, or point to an
unused 18-byte application variable. This parameter is included to support a
possible future extension to enable segmented data-encryption.
| Beginning with Release 2.53, a private key with the CLONE attribute is rejected by
| this verb with return code 8, reason code 64 (decimal).
Note: The API for this verb has been modified from that originally published in
August, 1997.
8-70 IBM 4758 CCA Basic Services, Release 2.54, February 2005