more silly progrrersss
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@@ -1,4 +1,5 @@
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#!/bin/bash
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# packages: cracklib-runtime, openssh/openssh-client/openssh-clients/openssh-keygen/ssh-keygen
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# set -x # debug mode
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set -Eeuo pipefail # safety shit. fail to trap on any error, undeclared var, pipe filure
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IFS=$'\n\t' # safer handlin of filenames and shit with spaces, prevents splitting
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@@ -23,6 +24,7 @@ error_handler() {
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echo -e "${RED}Command:\n\t$BASH_COMMAND\n\n${NO_COLOR}"
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}
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### x todo: error trap and handle
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### todo: work in mktemp -d dir?
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### todo: handle fix perms shit pls
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### todo: handle file paths better
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@@ -34,29 +36,54 @@ error_handler() {
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### todo: cli options for generate/sign/verify/all
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### todo: auto-compress pub files? (cleartext zip, encrypted 7z?)
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### x todo: messagging to properly handle dat damn key now lol
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### todo: sha256+sha512 checksums (straight from the file)
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#### PLUS sha256+sha512 checksums WITH INDEPENDANT SALT/PASSPPHRASE (+ the file)
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#### in txt files, both signed.
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#### meaning dat i can verify my identity not only with my private key, but ALSO independently via revealing the checksum salt/passphrase, without harming the cryptographic security or anonymity of either.
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#### prompt twice for SOLID AS SHIT passphrase, like >50 random chars hardcore shit
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#### verify it doesnt match key passphrase, that it passes dat normal pass check, and dat the two imputs match
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#### "sha256sum file: "+sha256sum(file) > file.checksums, "sha512sum file: "+sha512sum(file) >> file.checksums
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#### "salted sha256sum file: "+sha256sum(file+passphrase) >> file.checksums, "salted sha512sum file: "+sha512sum(file+passphrase) >> file.checksums
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#### sign file.checksums, adding file.checksums.sig
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#### add checksum salt verify method to help txt
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#### add normal checksum verify method to help txt
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#### verify normal and salted checksums
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#### prompt once again for passphrase for salted mode
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#### verify checksums file sig
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### x todo: sha256+sha512 checksums (straight from the file)
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#### x PLUS sha256+sha512 checksums WITH INDEPENDANT SALT/PASSPPHRASE (+ the file)
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#### x in txt files, both signed.
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#### x meaning dat i can verify my identity not only with my private key, but ALSO independently via revealing the checksum salt/passphrase, without harming the cryptographic security or anonymity of either.
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#### x prompt twice for SOLID AS SHIT passphrase, like >50 random chars hardcore shit
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#### x verify it doesnt match key passphrase, that it passes dat normal pass check, and dat the two imputs match
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#### x "sha256sum file: "+sha256sum(file) > file.checksums, "sha512sum file: "+sha512sum(file) >> file.checksums
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#### x "salted sha256sum file: "+sha256sum(file+passphrase) >> file.checksums, "salted sha512sum file: "+sha512sum(file+passphrase) >> file.checksums
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#### x sign file.checksums, adding file.checksums.sig
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#### x add checksum salt verify method to help txt
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#### x add normal checksum verify method to help txt
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#### x verify normal and salted checksums
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#### x prompt once again for passphrase for salted mode
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#### x verify checksums file sig
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#### todo: maybe figure out how to unify these sigs and files and shit?
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read -p "Enter path to file to sign" file_to_sign
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read -p "Enter working directory (empty for $default_working_dir)" working_dir
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read -p "Enter email to use (empty for $default_email)" email
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read -p "Enter public key comment (empty for $default_email)" comment
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read -p "Enter algo (empty for $default_algo)" algo
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read -p "Enter new key name (Empty for $default_key_name)" key_name ### todo: test/handle
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read -p "Enter public files output dir name (Empty for $default_public_files_dir_name)" public_files_dir_name
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read -p "Enter path to file to sign: " file_to_sign
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read -p "Enter Private 50+ Character Passphrase For Checksum Verification: " checksum_passphrase
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read -p "Enter Checksum Verification Passphrase Again: " checksum_passphrase_check
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checksum_passphrase_len=${#checksum_passphrase} # get length of provided checksum passphrase
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# check for match
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if [[ "$checksum_passphrase" == "$checksum_passphrase_check" ]]; then
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echo "OK: Checksum Verification Passphrases Match"
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# check length greateer than or equal to 50
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if [ $checksum_passphrase_len -ge 50 ]; then
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echo "OK: Checksum Verification Passphrase is greater or equal to 50 chars long"
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# check for pass security using cracklib-check from cracklib-runtime package
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cracklib_check=$(echo "$checksum_passphrase" | cracklib-check)
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if [[ ! "$cracklib_check" =~ OK$ ]]; then # check if it ends with anythign other than OK
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echo -e "\n\nFAIL: Checksum Verification Passphrase NOT Secure Enough!\nReported: $cracklib_check${NO_COLOR}\n\n"
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exit 1
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else
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echo "OK: Cracklib Reports Password is Secure"
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fi
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else
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echo -e "\n\n${RED}FAIL: Checksum Verification Passphrase NOT Longer Than the Minimum 50 Chars${NO_COLOR}\n\n"
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exit 1
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fi
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else
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echo -e "\n\n${RED}FAIL: Checksum Verification Passphrases DO NOT MATCH${NO_COLOR}\n\n"
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exit 1
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fi
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read -p "Enter working directory (empty for $default_working_dir): " working_dir
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read -p "Enter email to use (empty for $default_email): " email
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read -p "Enter public key comment (empty for $default_email): " comment
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read -p "Enter algo (empty for $default_algo): " algo
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read -p "Enter new key name (Empty for $default_key_name): " key_name ### todo: test/handle
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read -p "Enter public files output dir name (Empty for $default_public_files_dir_name): " public_files_dir_name
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# handle defaults
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## handle default working dir
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@@ -99,15 +126,20 @@ fi
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# environment checks
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## check if file exists and is regular file
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## todo: make this use absolute paths
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if [ ! -f "$file_to_sign" ]; then
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echo "FAIL! $file_to_sign not found or not regular file! Exititng!"
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exit 1
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fi
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# sum housekeeping, makin file pathssss
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# sum housekeeping, makin file pathssss and shit
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sig_file_path="$file_to_sign.sig" # path to detached signature file
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key_pub_path="$key_priv_path.pub" # path to pub key file
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allowed_signers_path="$working_dir/allowed_signers" # path to allowed_signers file
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file_to_sign_checksums_path="$file_to_sign.checksums" # checksums file
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file_to_sign_checksums_sig_path="$file_to_sign_checksums_path.sig" # checksums file sig file
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file_to_sign_basename="$(basename $file_to_sign)" # file_to_sign name only
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file_to_sign_contents="$(cat $file_to_sign)" # file_to_sign file contents
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# generate key pair
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## tell user to be sure to use a sdolid passphrase and wait for enter to continue
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@@ -122,21 +154,51 @@ chown $USER:$USER -R "$working_dir"
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find "$working_dir" -type d -exec chmod 700 {} \;
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find "$working_dir" -type f -exec chmod 600 {} \;
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# sign da file
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echo "Signing $file_to_sign with detached signature file $sig_file_path"
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## -Y mode (sign) -f private key path -n file (fuile mode) file.txt (file to sign)
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ssh-keygen -Y sign -f "$key_priv_path" -n file "$file_to_sign"
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# create a local allowed_signers file
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echo "Creating alllowed_singers file at $allowed_signers_path with $key_pub_path and identity $email"
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## format: <email> <pub key>
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pub_key_text="$(cat $key_pub_path)" # text of public key
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echo "$email $pub_key_text" > "$allowed_signers_path" # dont append, just one off here
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# verify sig
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# generate checksums
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## normal ones sha256 and sha512
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### initialize the checksums file new with normal sha256 and sha512 digests
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echo -e "sha256 $(sha256sum $file_to_sign)\nsha512 $(sha512sum $file_to_sign)" > "$file_to_sign_checksums_path"
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## salted hashes
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### salted sha256
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#### normal append first part of line
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echo "sha256 (private salt+\`cat file\`): " >> "$file_to_sign_checksums_path"
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#### no trailing newline echo to stdin sha256sum, clean up with awk, append to checksums file line
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echo -n "${checksum_passphrase}${file_to_sign_contents}" | sha256sum | awk '{print $1}' >> "$file_to_sign_checksums_path"
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#### no trailing newline echo append to checksums file, completing the sha256 salted line
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echo -n "$file_to_sign_basename" >> "$file_to_sign_checksums_path"
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### salted sha512
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#### normal append first part of salted sha512 line
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echo "sha512 (private salt+\`cat file\`): " >> "$file_to_sign_checksums_path"
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#### no trailing newline echo to stdin sha512sum, clean up with awk, append to checksums file line
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echo -n -e "${checksum_passphrase}${file_to_sign_contents}" | sha512sum | awk '{print $1}' >> "$file_to_sign_checksums_path"
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#### no trailing newline echo append to checksums file, completing the sha512 salted line and completing the file
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echo -n "$file_to_sign_basename" >> "$file_to_sign_checksums_path"
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# sign the files
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## sign da file to sign
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echo "Signing $file_to_sign with detached signature file $sig_file_path"
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### -Y mode (sign) -f private key path -n file (fuile mode) file.txt (file to sign)
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ssh-keygen -Y sign -f "$key_priv_path" -n file "$file_to_sign"
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## sign checksums file
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echo "Signing $file_to_sign_checksums_path with detached signature file $file_to_sign_checksums_sig_path"
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### -Y mode (sign) -f private key path -n file (fuile mode) file.txt (file to sign)
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ssh-keygen -Y sign -f "$key_priv_path" -n file "$file_to_sign_checksums_path"
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# verify sigs
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## file to sign
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echo "Verifying signature of $file_to_sign with signature file $sig_file_path for public key $key_pub_path and identitiy $email"
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## -Y mode (verify) -f path to allowed_signers file -I email specified in allowed_signers file -n file (file mode) -s path to sig file < file.txt input file to verify
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### -Y mode (verify) -f path to allowed_signers file -I email specified in allowed_signers file -n file (file mode) -s path to sig file < file.txt input file to verify
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ssh-keygen -Y verify -f "$allowed_signers_path" -I "$email" -n file -s "$sig_file_path" < "$file_to_sign"
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## checksums file
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echo "Verifying signature of $file_to_sign_checksums_path with signature file $file_to_sign_checksums_sig_path for public key $key_pub_path and identitiy $email"
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### -Y mode (verify) -f path to allowed_signers file -I email specified in allowed_signers file -n file (file mode) -s path to sig file < file.txt input file to verify
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ssh-keygen -Y verify -f "$allowed_signers_path" -I "$email" -n file -s "$file_to_sign_checksums_sig_path" < "$file_to_sign_checksums_path"
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# make public files copy
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## create public files dir or fail if exists
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@@ -153,7 +215,6 @@ cp "$sig_file_path" "$public_files_dir_path" # sig file
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### get filenames only from the paths via basename
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allowed_signers_path_basename="$(basename $allowed_signers_path)"
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sig_file_path_basename="$(basename $sig_file_path)"
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file_to_sign_basename="$(basename $file_to_sign)"
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### format help text
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help_txt="To Verify (Linux)\n\tssh-keygen -Y verify -f \"$allowed_signers_path_basename\" -I \"$email\" -n file -s \"$sig_file_path_basename\" < \"$file_to_sign_basename\""
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### maek da file
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