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| author | Donald Stufft <donald@stufft.io> | 2013-09-10 19:40:33 -0700 |
|---|---|---|
| committer | Donald Stufft <donald@stufft.io> | 2013-09-10 19:40:33 -0700 |
| commit | a672bbe6226648c68cdb628b5b7d67f2e8270698 (patch) | |
| tree | 27ac647f631ff4b66107b6c559afc0da59c1f8a4 /docs/primitives/symmetric-encryption.rst | |
| parent | c9e91e8cc1d8a5e20ec4541328afabe5d633228b (diff) | |
| parent | cd413a36d3716bf56df7b6e071e57071730d1386 (diff) | |
| download | cryptography-a672bbe6226648c68cdb628b5b7d67f2e8270698.tar.gz cryptography-a672bbe6226648c68cdb628b5b7d67f2e8270698.tar.bz2 cryptography-a672bbe6226648c68cdb628b5b7d67f2e8270698.zip | |
Merge pull request #56 from alex/docs-cleanup
Cleaned up the docs for ECB
Diffstat (limited to 'docs/primitives/symmetric-encryption.rst')
| -rw-r--r-- | docs/primitives/symmetric-encryption.rst | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/docs/primitives/symmetric-encryption.rst b/docs/primitives/symmetric-encryption.rst index d0429d4b..f028c755 100644 --- a/docs/primitives/symmetric-encryption.rst +++ b/docs/primitives/symmetric-encryption.rst @@ -72,11 +72,15 @@ Modes Insecure Modes -------------- -.. warning:: Do not use. This is an insecure mode. +.. warning:: + + These modes are insecure. New applications should never make use of them, + and existing applications should strongly consider migrating away. + + .. class:: cryptography.primitives.block.modes.ECB() ECB (Electronic Code Book) is the simplest mode of operation for block - ciphers. The data is separated into blocks and each block is encrypted - separately. This means identical plaintext blocks will always result in - identical encrypted blocks. Due to this property it is not recommended - for use. Really, don't use it. Just. Don't. + ciphers. Each block of data is encrypted in the same way. This means + identical plaintext blocks will always result in identical ciphertext + blocks, and thus result in information leakage |