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NapoleonWils0n/opensll_encrypt_files.sh

Created November 2, 2012 02:27
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bash: openssl encrypt files
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opensll_encrypt_files.sh
# Generate private and public keys with password.
openssl req -x509 -days 100000 -newkey rsa:2048 -keyout privatekey.pem -out publickey.pem -subj "/"
# Generate private and public keys without password. (add -nodes to the command)
openssl req -x509 -nodes -days 100000 -newkey rsa:2048 -keyout privatekey.pem -out publickey.pem -subj "/"
# Encrypt seemingly endless amount of data.
openssl smime -encrypt -aes256 -in LargeFile.zip -binary -outform DEM -out LargeFile_encrypted.zip publickey.pem
# Decrypt
openssl smime -decrypt -in LargeFile_encrypted.zip -binary -inform DEM -inkey privatekey.pem -out LargeFile.zip
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