ssl

Create a self signed cert

openssl genrsa -des3 -passout pass:x -out server.pass.key 2048
...
$ openssl rsa -passin pass:x -in server.pass.key -out server.key
writing RSA key
$ rm server.pass.key
$ openssl req -new -key server.key -out server.csr
...
Country Name (2 letter code) [AU]:US
State or Province Name (full name) [Some-State]:California
...
A challenge password []:
...
Generate SSL certificate
The self-signed SSL certificate is generated from the server.key private key and server.csr files.


//.......encrypt a cert key......
//not sure this works, encrypted to decrypted came out different than original
openssl rsa -des -in rehub.key -out rehub-enc.key
openssl rsa -in rehub-enc.key -out rehub-copy.key

//...........gpg...................

// genrate random password
gpg --gen-random -a 1 30
gpg --gen-random -a 1 60 | tr -dc A-Za-z0-9 | head -c40; echo

// encrypt and decrypt to ascii
gpg -c -a input.txt
gpg -o output.txt input.txt

//with a file as the key
gpg -c -a --batch --passphrase-file key.txt data.txt
gpg -o data2.txt --batch --passphrase-file key.txt  data.txt.asc

//.......diceword fun................
// how many unique words in a book
tr -cs A-Za-z '\n' < alicehuck.txt  | tr A-Z a-z | sort | uniq | wc -l
tr -cs A-Za-z '\n' < species.txt  | tr A-Z a-z | sort | uniq | gshuf --random-source=/dev/random -n8


//.....wipe a file securly......
shred -vzn 3 file.txt