2023-12-18 16:23:18 +01:00
|
|
|
|
#!/bin/bash
|
|
|
|
|
|
################################################################################
|
|
|
|
|
|
# Author: Fred (support@qo-op.com)
|
|
|
|
|
|
# Version: 0.2
|
|
|
|
|
|
# License: AGPL-3.0 (https://choosealicense.com/licenses/agpl-3.0/)
|
|
|
|
|
|
################################################################################
|
|
|
|
|
|
MY_PATH="`dirname \"$0\"`" # relative
|
|
|
|
|
|
MY_PATH="`( cd \"$MY_PATH\" && pwd )`" # absolutized and normalized
|
|
|
|
|
|
. "$MY_PATH/my.sh"
|
|
|
|
|
|
################################################################################
|
2023-12-18 17:27:06 +01:00
|
|
|
|
## Mélange de peintures et création d’un secret partagé (Diffie-Hellman)
|
|
|
|
|
|
# https://www.youtube.com/watch?v=F4Bbd0wjxSE
|
|
|
|
|
|
|
|
|
|
|
|
function get_hex_code_from_image() {
|
|
|
|
|
|
local image_path=$1
|
|
|
|
|
|
# Use identify to get the average color of the image
|
|
|
|
|
|
average_color=$(convert "$image_path" -format "%[pixel:s]\n" info: | head -n 1)
|
|
|
|
|
|
# Extract RGB values and convert to hex
|
|
|
|
|
|
hex_code=$(printf "#%02x%02x%02x\n" \
|
|
|
|
|
|
$(echo $average_color | sed 's/.*(\([0-9]\+\),\([0-9]\+\),\([0-9]\+\)).*/\1 \2 \3/'))
|
|
|
|
|
|
|
|
|
|
|
|
echo "$hex_code"
|
|
|
|
|
|
}
|
2023-12-18 16:23:18 +01:00
|
|
|
|
|
|
|
|
|
|
PLAYER="$1"
|
|
|
|
|
|
[[ ! -s ~/.zen/game/players/${PLAYER}/secret.dunikey ]] && PLAYER=".current"
|
|
|
|
|
|
|
|
|
|
|
|
if [[ ! -s ~/.zen/game/players/${PLAYER}/private_color.png ]]; then
|
|
|
|
|
|
PUBKEY=$(cat ~/.zen/game/players/${PLAYER}/secret.dunikey | grep 'pub:' | cut -d ' ' -f 2)
|
|
|
|
|
|
SECKEY=$(cat ~/.zen/game/players/${PLAYER}/secret.dunikey | grep 'sec:' | cut -d ' ' -f 2)
|
|
|
|
|
|
|
|
|
|
|
|
DESTMAIL="$2"
|
|
|
|
|
|
|
|
|
|
|
|
# Convert the public key to a color (hexadecimal representation)
|
|
|
|
|
|
color_hex=$(echo -n ${SECKEY} | sha256sum | awk '{print $1}')
|
|
|
|
|
|
|
|
|
|
|
|
# Ensure the color is 6 characters long (for RGB)
|
|
|
|
|
|
color_hex=${color_hex:0:6}
|
|
|
|
|
|
echo "Color Hex: #$color_hex"
|
|
|
|
|
|
|
|
|
|
|
|
# Convert the color to an Image
|
|
|
|
|
|
convert -size 100x100 xc:"#${color_hex}" ~/.zen/game/players/${PLAYER}/private_color.png
|
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
|
|
# Choosing IPFSNODEID Base Color
|
|
|
|
|
|
color_hex=$(echo -n ${IPFSNODEID} | sha256sum | awk '{print $1}')
|
|
|
|
|
|
color_hex=${color_hex:0:6}
|
2023-12-18 16:35:22 +01:00
|
|
|
|
convert -size 100x100 xc:"#${color_hex}" ~/.zen/tmp/base_white.png
|
|
|
|
|
|
echo "Base Hex: #$color_hex"
|
2023-12-18 17:27:06 +01:00
|
|
|
|
get_hex_code_from_image ~/.zen/tmp/base_white.png
|
2023-12-18 16:23:18 +01:00
|
|
|
|
|
|
|
|
|
|
# Step 3: Mixing Colors
|
|
|
|
|
|
composite -compose Multiply ~/.zen/tmp/base_white.png \
|
|
|
|
|
|
~/.zen/game/players/${PLAYER}/private_color.png \
|
|
|
|
|
|
~/.zen/tmp/mixed_color.png
|
|
|
|
|
|
|
|
|
|
|
|
xdg-open ~/.zen/tmp/mixed_color.png
|
2023-12-18 17:27:06 +01:00
|
|
|
|
get_hex_code_from_image ~/.zen/tmp/mixed_color.png
|
2023-12-18 16:23:18 +01:00
|
|
|
|
|
2023-12-18 17:27:06 +01:00
|
|
|
|
echo "WAITING FOR ANOTHER mixed_color to reveal our shared secret"
|
|
|
|
|
|
# Final Color Agreement
|
|
|
|
|
|
#~ composite -compose Multiply ~/.zen/tmp/input_mixed_color.png \
|
|
|
|
|
|
#~ ~/.zen/game/players/${PLAYER}/private_color.png \
|
|
|
|
|
|
#~ ~/.zen/tmp/shared_secret.png
|
