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https://github.com/VinylDNS/vinyldns
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19 lines
486 B
Bash
Executable File
19 lines
486 B
Bash
Executable File
#!/bin/bash
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# Generate 256-bit AES key.
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#
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# Usage:
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# $ ./generate-aes-256-hex-key.sh [passphrase]
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# * passphrase: Optional passphrase used to generate secret key. A pseudo-random passphrase will be used if
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# one is not provided.
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if [[ ! -z "$1" ]]
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then
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echo "Using user-provided passphrase."
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fi
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PASSPHRASE=${1:-$(openssl rand 32)}
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KEY=$(openssl enc -aes-256-cbc -k "$PASSPHRASE" -P -md sha1 | awk -F'=' 'NR == 2 {print $2}')
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echo "Your 256-bit AES hex key: $KEY"
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