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mrinalwadhwa / ecdh.py
Created Mar 5, 2020
Elliptic Curve Diffie-Hellman key exchange from scratch
View ecdh.py
#!/usr/bin/env python3
# The below code is an attemt to understand Elliptic Curve Cryptography
# by implementing Elliptic Curve Diffie-Hellman key exchange from scratch.
# DON'T USE THIS CODE IN YOUR APP!!
# It is not safe and is intended only as a learning tool.
import secrets
View GetBinaryState (0 is OFF, 1 is ON)
curl -0 -v -X POST http://wemo:49153/upnp/control/basicevent1 -H 'SOAPACTION: "urn:Belkin:service:basicevent:1#GetBinaryState"' -H 'Content-Type: text/xml; charset=utf-8' -d @- << EOF
<?xml version="1.0" encoding="utf-8"?>
<s:Envelope
xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"
s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<s:Body>
<u:GetBinaryState xmlns:u="urn:Belkin:service:basicevent:1" />
</s:Body>
</s:Envelope>
EOF
View Setup_Cosmos_Full_Node_In_Azure.md

Setup Cosmos Full Node In Azure

This gist contains two scripts

  • setup-cosmos-full-node-azure.bash which creates a vm in azure and then sets up a cosmos full node in that vm.
  • setup-cosmos-full-node.bash which sets up a cosmos full node locally on the machine it is running on.

How to use

Clone this gist and

View keybase.md

Keybase proof

I hereby claim:

  • I am mrinalwadhwa on github.
  • I am mrinalwadhwa (https://keybase.io/mrinalwadhwa) on keybase.
  • I have a public key ASCPMxSM9YAbqvODLF8K_n54VAt7bdiQJGlCyriSdn0tQAo

To claim this, I am signing this object:

@mrinalwadhwa
mrinalwadhwa / utc_iso8601_milli.rb
Last active Oct 21, 2019
Ruby: Convert to UTC time in ISO 8601 format with millisecond precision, padding of 3.
View utc_iso8601_milli.rb
def utc_iso8601_milli(time)
time.utc.strftime '%FT%T.%LZ'
end
utc_iso8601_milli Time.now
# => "2016-09-02T07:06:18.134Z"
utc_iso8601_milli Time.new(2002, 10, 31, 2, 2, 2, "+05:00")
# => "2002-10-30T21:02:02.000Z"
@mrinalwadhwa
mrinalwadhwa / usage.sh
Created Aug 3, 2016
Extract and display block of usage info
View usage.sh
#!/usr/bin/env bash
##
## Usage: usage [command|path]
## Assuming that a command script file starts with a block of usage info
## where each line in the block starts with two '##' characters. This script
## extracts and displays that block of usage info.
##
## Example:
## Given a file a_command with the following contents:
##
View tcp_ports_listening.sh
#!/usr/bin/env bash
sudo lsof -i -P | grep -i "listen"
# REFERENCES
# http://apple.stackexchange.com/a/117648
@mrinalwadhwa
mrinalwadhwa / ip.sh
Created Aug 3, 2016
Display external IP using OpenDNS.
View ip.sh
#!/usr/bin/env bash
##
## Usage: ip
## Display external IP using OpenDNS.
##
dig +short myip.opendns.com @resolver1.opendns.com
# REFERENCES
# http://www.commandlinefu.com/commands/view/5253/get-your-outgoing-ip-address
@mrinalwadhwa
mrinalwadhwa / afk-osx.sh
Created Aug 3, 2016
Lock Screen on MacOS
View afk-osx.sh
#!/usr/bin/env bash
##
## Usage: afk
## Lock Screen on MacOS
##
/System/Library/CoreServices/Menu\ Extras/User.menu/Contents/Resources/CGSession -suspend
@mrinalwadhwa
mrinalwadhwa / random-string.sh
Created Aug 3, 2016
generate random strings
View random-string.sh
#!/usr/bin/env bash
##
## Usage: random-string [length] [lines] [pattern]
## Generates a random string using /dev/urandom
##
## Default:
## length: 32
## lines: 1
## pattern: 'a-zA-Z0-9'
##
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