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-rw-r--r--CHANGES.txt6
-rw-r--r--README.md4
2 files changed, 9 insertions, 1 deletions
diff --git a/CHANGES.txt b/CHANGES.txt
index d81161a6..c55ddc16 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,10 @@
+Revision 4.?.?, released 2018-??-??
+-----------------------------------
+
+- Crypto abstraction layer added to allow use of pyca/cryptography instead of Pycryptodome
+- Dependencies modified to use pyca/cryptography for supported Python versions
+
Revision 4.4.4, released 2018-01-03
-----------------------------------
diff --git a/README.md b/README.md
index 9489ed1f..bb941b18 100644
--- a/README.md
+++ b/README.md
@@ -56,8 +56,10 @@ $ pip install pysnmp
to download and install PySNMP along with its dependencies:
* [PyASN1](http://snmplabs.com/pyasn1/)
-* [PyCryptodomex](https://pycryptodome.readthedocs.io) (required only if SNMPv3 encryption is in use)
* [PySMI](http://snmplabs.com/pysmi/) (required for MIB services only)
+* A supported cryptography backend (required only if SNMPv3 encryption is in use)
+ * [pyca/cryptography](http://cryptography.io/) for Python 2.7 and 3.4+
+ * [PyCryptodomex](https://pycryptodome.readthedocs.io) for Python 2.4-2.6 and 3.2-3.3
Besides the library, command-line [SNMP utilities](https://github.com/etingof/pysnmp-apps)
written in pure-Python could be installed via: