OpenSSL Demonstration Applications This folder contains source code that demonstrates the proper use of the OpenSSL library API. bio: Demonstration of a simple TLS client and server certs: Demonstration of creating certs, using OCSP cipher: aesgcm.c Demonstration of symmetric cipher GCM mode encrypt/decrypt aesccm.c Demonstration of symmetric cipher CCM mode encrypt/decrypt cms: digest: EVP_MD_demo.c Compute a digest from multiple buffers EVP_MD_stdin.c Compute a digest with data read from stdin EVP_f_md.c Compute a digest using BIO and EVP_f_md pkey: EVP_PKEY_EC_keygen.c Generate an EC key. smime: pkcs12: pkread.c Print out a description of a PKCS12 file. pkwrite.c Add a password to an existing PKCS12 file.