AES

Please see EVP Symmetric Encryption and Decryption or EVP Authenticated Encryption and Decryption. The choice of EVP_CIPHER includes:

$ grep -IR EVP_aes * | sed 's/.*\(EVP_aes[^( ;,]*\).*/\1()/; /#/ d' | sort | uniq
EVP_aes_128_cbc()
EVP_aes_128_cbc_hmac_sha1()
EVP_aes_128_cbc_hmac_sha256()
EVP_aes_128_ccm()
EVP_aes_128_cfb()
EVP_aes_128_cfb1()
EVP_aes_128_cfb128()
EVP_aes_128_cfb8()
EVP_aes_128_ctr()
EVP_aes_128_ecb()
EVP_aes_128_gcm()
EVP_aes_128_ocb()
EVP_aes_128_ofb()
EVP_aes_128_wrap()
EVP_aes_128_wrap_pad()
EVP_aes_128_xts()
EVP_aes_192_cbc()
EVP_aes_192_ccm()
EVP_aes_192_cfb()
EVP_aes_192_cfb1()
EVP_aes_192_cfb128()
EVP_aes_192_cfb8()
EVP_aes_192_ctr()
EVP_aes_192_ecb()
EVP_aes_192_gcm()
EVP_aes_192_ocb()
EVP_aes_192_ofb()
EVP_aes_192_wrap()
EVP_aes_192_wrap_pad()
EVP_aes_256_cbc()
EVP_aes_256_cbc_hmac_sha1()
EVP_aes_256_cbc_hmac_sha256()
EVP_aes_256_ccm()
EVP_aes_256_cfb()
EVP_aes_256_cfb1()
EVP_aes_256_cfb128()
EVP_aes_256_cfb8()
EVP_aes_256_ctr()
EVP_aes_256_ecb()
EVP_aes_256_gcm()
EVP_aes_256_ocb()
EVP_aes_256_ofb()
EVP_aes_256_wrap()
EVP_aes_256_wrap_pad()
EVP_aes_256_xts()