OpenSSL GCM AES GCM Encryption/Decryption I/O streams See https://github.com/minio/sio/ Credits https://github.com/aws/aws-sdk-go/blob/master/service/s3/s3crypto/aes_gcm.go https://github.com/catalyzeio/gcm/blob/master/gcm/gcm.go https://github.com/spacemonkeygo/openssl/blob/master/ciphers_test.go https://github.com/marcopaganini/iocrypt/blob/master/iocrypt.go