HSM - cryptoki - opening sessions overhead

Posted by Raj on Stack Overflow See other posts from Stack Overflow or by Raj
Published on 2010-06-15T10:57:42Z Indexed on 2010/06/15 11:02 UTC
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I am having a query regarding sessions with HSM.

I am aware that there is an overhead if you initialise and finalise the cryptoki api for every file you want to encrypt/decrypt.

My queries are,

  1. Is there an overhead in opening and closing individual sessions for every file, you want to encrypt/decrypt.(C_Initialize/C_Finalize)

  2. How many maximum number of sessions can i have for a HSM simultaneously, with out affecting the performance?

  3. Is opening and closing the session for processing individual files the best approach or opening a session and processing multiple files and then closing the session the best approach?

Thanks

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