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OpenSSL commands to create a Bitcoin private/public keys from a ECDSA keypair
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| #!/bin/sh | |
| PRIVATE_KEY="ECDSA" | |
| PUBLIC_KEY="ECDSA.pub" | |
| BITCOIN_PRIVATE_KEY="bitcoin" | |
| BITCOIN_PUBLIC_KEY="bitcoin.pub" | |
| echo "Generating private key" | |
| openssl ecparam -genkey -name secp256k1 -rand /dev/random -out $PRIVATE_KEY | |
| echo "Generating public key" | |
| openssl ec -in $PRIVATE_KEY -pubout -out $PUBLIC_KEY | |
| echo "Generating Bitcoin private key" | |
| openssl ec -in $PRIVATE_KEY -outform DER|tail -c +8|head -c 32|xxd -p -c 32 > $BITCOIN_PRIVATE_KEY | |
| echo "Generating Bitcoin public key" | |
| openssl ec -in $PRIVATE_KEY -pubout -outform DER|tail -c 65|xxd -p -c 65 > $BITCOIN_PUBLIC_KEY |
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