Topic: Bitcoin Off-The-Grid (BOTG): secure savings script v0.1.1 - page 3. (Read 13258 times)

#!/bin/bash

base58=({1..9} {A..H} {J..N} {P..Z} {a..k} {m..z})
bitcoinregex="^[$(printf "%s" "${base58}")]{34}$"

decodeBase58() {
    local s=$1
    for i in {0..57}
    do s="${s//${base58}/ $i}"
    done
    dc <<< "16o0d${s// /+58*}+f"
}

encodeBase58() {
    # 58 = 0x3A
    bc <<<"ibase=16; n=${1^^}; while(n>0) { n%3A ; n/=3A }" |
    tac |
    while read n
    do echo -n ${base58[n]}
    done
}

checksum() {
    xxd -p -r <<<"$1" |
    openssl dgst -sha256 -binary |
    openssl dgst -sha256 -binary |
    xxd -p -c 80 |
    head -c 8
}

checkBitcoinAddress() {
    if [[ "$1" =~ $bitcoinregex ]]
    then
        h=$(decodeBase58 "$1")
        checksum "00${h::${#h}-8}" |
        grep -qi "^${h: -8}$"
    else return 2
    fi
}

hash160() {
    openssl dgst -sha256 -binary |
    openssl dgst -rmd160 -binary |
    xxd -p -c 80
}

hash160ToAddress() {
    printf "%34s\n" "$(encodeBase58 "00$1$(checksum "00$1")")" |
    sed "y/ /1/"
}

hash256ToAddress() {
#printf "80$1$(checksum "80$1")"
    printf "%34s\n" "$(encodeBase58 "80$1$(checksum "80$1")")" |
    sed "y/ /1/"
}

publicKeyToAddress() {
    hash160ToAddress $(
    openssl ec -pubin -pubout -outform DER |
    tail -c 65 |
    hash160
    )
}

privateKeyToWIF() {
    hash256ToAddress $(openssl ec -text -noout -in data.pem | head -5 | tail -3 | fmt -120 | sed 's/[: ]//g')
    
}

openssl  ecparam -genkey -name secp256k1 | tee data.pem &>/dev/null

sleep 3

echo " "
echo "BITCOINS OFF-THE-GRID (BOTG) : A VERY SECURE SAVINGS ACCOUNT!"
echo " "
echo "THE FOLLOWING WILL BE THE PRIVATE HEX KEY NEEDED TO ACCESS YOUR BITCOINS!"
echo "***RECORD THIS NUMBER CAREFULLY*** IT CONTAINS NUMBERS 0-9 AND LETTERS A-F."
echo "THIS WILL HELP SO YOU DON'T ACCIDENTALLY CONFUSE SIMILAR LOOKING DIGITS LATER ON!"
echo "KEEP THIS HEX KEY SAFE. HIDE IT AND/OR LOCK IT UP SOMEWHERE."
echo "IT IS THE ONLY WAY TO ACCESS THE BTC IN THE FUTURE. WHOEVER HAS THAT HEX KEY"
echo "CAN SPEND YOUR MONEY. RECORD THE WHOLE LINE AFTER 'read EC key' "
echo " "
echo "ONLY USE THIS HEX KEY AND ADDRESS IF THIS SCRIPT WAS RUN OFF OF A LIVE CD WITH"
echo "NO INTERNET CONNECTION. REBOOT COMPUTER WHEN DONE TO CLEAR RAM."
echo "DO NOT COPY THIS HEX KEY ANYWHERE ONTO A COMPUTER."
echo " "



openssl ec -text -noout -in data.pem | head -5 | tail -3 | fmt -120 | sed 's/[: ]//g'
privateKeyToWIF

sleep 2

echo " "
echo "THE FOLLOWING IS THE BITCOIN ADDRESS YOU CAN SEND YOUR SAVINGS TO."
echo "RECORD THE ADDRESS CAREFULLY. IT IS NOT CRITICAL YOU KEEP THIS ADDRESS"
echo "SECRET. THE HEX CODE AND THE WALLET-IMPORT-KEYCODE MUST REMAIN SECRET!"
echo "THE LINE THAT BEGINS WITH THE NUMBER 1 IS THE BITCOIN ADDRESS."
echo " "

openssl ec -pubout < data.pem | publicKeyToAddress


echo " "
echo "SPECIAL THANKS TO 'grondilu' AND 'unk' WHO MADE THIS SCRIPT POSSIBLE!!"

#!/bin/bash

base58=({1..9} {A..H} {J..N} {P..Z} {a..k} {m..z})
bitcoinregex="^[$(printf "%s" "${base58[@]}")]{34}$"

decodeBase58() {
    local s=$1
    for i in {0..57}
    do s="${s//${base58[i]}/ $i}"
    done
    dc <<< "16o0d${s// /+58*}+f"
}

encodeBase58() {
    # 58 = 0x3A
    bc <<<"ibase=16; n=${1^^}; while(n>0) { n%3A ; n/=3A }" |
    tac |
    while read n
    do echo -n ${base58[n]}
    done
}

checksum() {
    xxd -p -r <<<"$1" |
    openssl dgst -sha256 -binary |
    openssl dgst -sha256 -binary |
    xxd -p -c 80 |
    head -c 8
}

checkBitcoinAddress() {
    if [[ "$1" =~ $bitcoinregex ]]
    then
        h=$(decodeBase58 "$1")
        checksum "00${h::${#h}-8}" |
        grep -qi "^${h: -8}$"
    else return 2
    fi
}

hash160() {
    openssl dgst -sha256 -binary |
    openssl dgst -rmd160 -binary |
    xxd -p -c 80
}

hash160ToAddress() {
    printf "%34s\n" "$(encodeBase58 "00$1$(checksum "00$1")")" |
    sed "y/ /1/"
}

publicKeyToAddress() {
    hash160ToAddress $(
    openssl ec -pubin -pubout -outform DER |
    tail -c 65 |
    hash160
    )
}

hash256ToAddress() {
#printf "80$1$(checksum "80$1")"
    printf "%34s\n" "$(encodeBase58 "80$1$(checksum "80$1")")" |
    sed "y/ /1/"
}


privateKeyToWIF() {
    hash256ToAddress $(openssl ec -text -noout -in data.pem | head -5 | tail -3 | fmt -120 | sed 's/[: ]//g')
}

echo " "
echo "BITCOINS OFF-THE-GRID (BOTG) v0.1.1: One of the most secure savings you'll ever get!"
echo " "
echo "For BEST results:"
echo " "
echo "-run './botg' from a Live Linux CD"
echo "-run this script with the Internet turned off"
echo "-reboot computer when done"
echo "-never record the secret key on a computer"
echo "-safely hide the key on a peice of paper where it won't get stolen"
echo "eg. hiding the paper in your car or inside your TV means you'll "
echo "never be able to get your money if that thing is stolen."
echo "-if you are not hiding the key, lock it up in a safe or safety deposit box"
echo " "
echo "***BOTG's strength is that since the secret key is never stored on your computer"
echo "there is nothing for a virus, malware, or spyware to steal!***"
echo " "
echo "Type and/or move the mouse for about 5 minutes. This will help improve the"
echo "randomness of your key....."
echo "Pressing ENTER will continue the script!"

read random

openssl  ecparam -genkey -name secp256k1 | tee data.pem &>/dev/null

echo " "
echo " "
echo "The following is the secret key in hex format. Record it carefully."
echo "Record the whole line after a 'read EC key'"
echo " "

hexsize=$(openssl ec -text -noout -in data.pem | head -5 | tail -3 | fmt -120 | sed 's/[: ]//g' )

while [ ${#hexsize} -ne 64 ]
do
openssl  ecparam -genkey -name secp256k1 | tee data.pem &>/dev/null && hexsize=$(openssl ec -text -noout -in data.pem | head -5 | tail -3 | fmt -120 | sed 's/[: ]//g' )
done

openssl ec -text -noout -in data.pem | head -5 | tail -3 | fmt -120 | sed 's/[: ]//g'

echo "Hit ENTER to continue"
read random

echo " "
echo "The following is the secret key in base58. This is the most"
echo "common format to import your key. Make sure to copy it down"
echo "carefully. Either this or the hex code could be used but it's"
echo "best to record both for redundancy. These two codes are to "
echo "be kept secret on a peice of paper or written down"
echo "somewhere safe. Putting them on a computer will lesson"
echo "the security of these keys."
echo "The address should begin with '5'."
echo " "

privateKeyToWIF

echo "Hit ENTER to continue"
read random

echo " "
echo "The following is the Bitcoin address you can send your savings to."
echo "Record the address carefully. It is not critical you keep this address"
echo "secret. Only the two other codes must remain secret!"
echo "The line that begins with the number 1 is your Bitcoin address you send"
echo "the funds to."
echo " "

openssl ec -pubout < data.pem | publicKeyToAddress

openssl  ecparam -genkey -name secp256k1 | tee data.pem &>/dev/null && rm data.pem

echo " "
echo "Hit ENTER to exit"
read random
exit 0