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man: notice about the big file problem

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Mirek Kratochvil 2013-09-12 12:55:15 +02:00
parent 09136ef046
commit 815fec23cb
1 changed files with 7 additions and 0 deletions
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man/ccr.1
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@ -245,6 +245,13 @@ Codecrypt does not do much to prevent damage from mistakes of the user. Be
especially careful when managing your keyring, be aware that some operations especially careful when managing your keyring, be aware that some operations
can rename or delete more keys at once. can rename or delete more keys at once.
Codecrypt is not very good for working directly with large files. Because of
the message format and code clarity, whole input files and messages are usually
loaded into memory before getting signed/encrypted. Fixing the problem requires
some deep structural changes in Codecrypt, but you can easily workaround the
whole problem using symmetric ciphers (for encryption of large files) or
hashfiles (for signatures of large files).
FMTSeq signatures are constructed from one-time signature scheme, for this FMTSeq signatures are constructed from one-time signature scheme, for this
reason the private key changes after each signature, basically by increasing reason the private key changes after each signature, basically by increasing
some counter. IF THE PRIVATE KEY IS USED MORE THAN ONCE TO SIGN WITH THE SAME some counter. IF THE PRIVATE KEY IS USED MORE THAN ONCE TO SIGN WITH THE SAME