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BOLT 8: clarify rotation frequency.

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1 message = 2 encryptions.

Fixes: #403
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell 2018-05-28 20:09:26 +09:30
parent acfd90e009
commit 9265349d2e
1 changed files with 1 additions and 1 deletions
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08-transport.md
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@ -487,7 +487,7 @@ prevent the decryption of old messages, in the case of later key leakage (i.e.
backwards secrecy). backwards secrecy).
Key rotation is performed for _each_ key (`sk` and `rk`) _individually_. A key Key rotation is performed for _each_ key (`sk` and `rk`) _individually_. A key
is to be rotated after a party sends or decrypts 1000 messages with it. is to be rotated after a party encrypts or decrypts 1000 times with it (i.e. every 500 messages).
This can be properly accounted for by rotating the key once the nonce dedicated This can be properly accounted for by rotating the key once the nonce dedicated
to it exceeds 1000. to it exceeds 1000.