diff options
Diffstat (limited to 'docs/hazmat/primitives/symmetric-encryption.rst')
| -rw-r--r-- | docs/hazmat/primitives/symmetric-encryption.rst | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/docs/hazmat/primitives/symmetric-encryption.rst b/docs/hazmat/primitives/symmetric-encryption.rst index 47486895..309c6fd0 100644 --- a/docs/hazmat/primitives/symmetric-encryption.rst +++ b/docs/hazmat/primitives/symmetric-encryption.rst @@ -240,7 +240,7 @@ Modes **This mode does not require padding.** - :param bytes nonce: Should be :doc:`random bytes </random-numbers>`. It is + :param bytes nonce: Should be unique, a :term:`nonce`. It is critical to never reuse a ``nonce`` with a given key. Any reuse of a nonce with the same key compromises the security of every message encrypted with that key. Must be the same number of bytes as the @@ -305,12 +305,11 @@ Modes **This mode does not require padding.** - :param bytes initialization_vector: Must be :doc:`random bytes - </random-numbers>`. They do not need to be kept secret and they can be - included in a transmitted message. NIST `recommends a 96-bit IV - length`_ for performance critical situations but it can be up to - 2\ :sup:`64` - 1 bits. Do not reuse an ``initialization_vector`` with a - given ``key``. + :param bytes initialization_vector: Must be unique, a :term:`nonce`. + They do not need to be kept secret and they can be included in a + transmitted message. NIST `recommends a 96-bit IV length`_ for + performance critical situations but it can be up to 2\ :sup:`64` - 1 + bits. Do not reuse an ``initialization_vector`` with a given ``key``. .. note:: |