Simple front-end for decrypting captured SRTP and SRTCP packets using:
install
Install devel libpcap and libsrtp if you need to, e.g.:
sudo apt-get install libpcap-dev libsrtp0-devand then:
pip install dsrtpusage
command
To e.g. decrypt captured packets and write then back to a capture file:
dsrtp test/fixtures/av.pcap /tmp/rtp.pcap -ld -k test/fixtures/av_material.hexIf you have a cluttered capture (e.g. multiple SRTP streams) then you can select e.g. the in-bound stream by address:port like:
dsrtp test/fixtures/av.pcap /tmp/rtp.pcap -k test/fixtures/av_material.hex -l d -i 192.168.121.234:60401lib
To do the same in code:
import dsrtp
enc_km = open('test/fixtures/av_material.hex').read()
km = dsrtp.KeyingMaterial.unpack_hex(enc_km)
p = dsrtp.SRTPPolicy(ssrc_type=dsrtp.SRTPPolicy.SSRC_ANY_INBOUND, key=km.local)
with dsrtp.SRTP(p) as ctx, \
open('test/fixtures/av.pcap', 'rb') as srtp_pcap, \
open('/tmp/rtp.pcap', 'wb') as rtp_pcap:
pkts = dsrtp.read_packets(srtp_pcap)
decrypted_pkts = dsrtp.decrypt_packets(ctx, pkts)
dsrtp.write_packets(rtp_pcap, decrypted_pkts)dev
Create a venv:
mkvirtualenv dsrtp
pip install Cythonthen get it:
git clone git@github.com:mayfieldrobotics/dsrtp.git
cd dsrtp
workon dsrtp
pip install -e .[test]and test it:
py.test test/ --cov dsrtp --cov-report term-missing --pep8release
Tests pass:
py.test test/ --cov dsrtp --cov-report term-missing --pep8so update __version__ in:
dsrtp/__init__.py
commit and tag it:
git commit -am "release v{version}"
git tag -a v{version} -m "release v{version}"
git push --tags1 maintainer
Metadata
1 maintainer
Release files for dsrtp 0.2.0
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| File | Size | Uploaded | Provenance | Actions |
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| dsrtp-0.2.0.tar.gz | 66.6 kB | Without provenance | Details for dsrtp-0.2.0.tar.gz |
Release files / dsrtp-0.2.0.tar.gz
| Download URL | dsrtp-0.2.0.tar.gz |
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