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Crypto U10 (part 2), Key Management and Lifecycle
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IYM002 (Unit 10 - Key Mgt Lifecycle) Mind Map on Crypto U10 (part 2), Key Management and Lifecycle, created by jjanesko on 27/04/2013.
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iym002
unit 10 - key mgt lifecycle
iym002
unit 10 - key mgt lifecycle
Mind Map by
jjanesko
, updated more than 1 year ago
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jjanesko
over 11 years ago
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Resource summary
Crypto U10 (part 2), Key Management and Lifecycle
lifecycle (continued)
key usage
principle of key separation
cryptographic keys must only be used for their intended purpose
enforcing
hardware based
key tagging
add information to key to indicate purpose
key blocks
format key to also contain data related to the key
key change
planned vs. unplanned
sometimes it's better to withdraw key
can be expensive
symmetric keys can be replaced relatively easily
public key pairs
private keys can be replaced relatively easily
public keys are more challenging because they are distributed to many people potentially
key activation
process by which keys are authorized for use at any given time
ex. I enter a passphrase and that activates a key for use
key destruction
when?
at key expiration
when key is withdrawn before expiry
at the end of a period of key archival
deleting is not enough
use data erasure or data sanitisation mechanims
governing key managment
guidance
policy
define overall requirements and strategy for key management
practice
Define tactics that will be used in order to achieve the key management policy goals.
procedure
Document step-by-step tasks necessary to implement the key management practices.
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