|   | Cryptographic Token Interface Standard | PKCS#11 | 
| Data Fields | |
| CK_BYTE | bBC | 
| block contents byte. More... | |
| CK_BYTE_PTR | pX | 
| concatenation of hash of plaintext data (if present) and extra data (if present). More... | |
| CK_ULONG | ulXLen | 
| length in bytes of concatenation of hash of plaintext data (if present) and extra data (if present). More... | |
| bBC | block contents byte | 
| pX | concatenation of hash of plaintext data (if present) and extra data (if present) | 
| ulXLen | length in bytes of concatenation of hash of plaintext data (if present) and extra data (if present). 0 if neither is present | 
CK_KEY_WRAP_SET_OAEP_PARAMS_PTR is a pointer to a CK_KEY_WRAP_SET_OAEP_PARAMS.
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| block contents byte. | 
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| concatenation of hash of plaintext data (if present) and extra data (if present). | 
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| length in bytes of concatenation of hash of plaintext data (if present) and extra data (if present). 0 if neither is present |