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