EVP_bf(3) - phpMan

EVP_bf_cbc (3ssl)    - EVP Blowfish cipher
EVP_bf_cfb (3ssl)    - EVP Blowfish cipher
EVP_bf_cfb64 (3ssl)  - EVP Blowfish cipher
EVP_bf_ecb (3ssl)    - EVP Blowfish cipher
EVP_bf_ofb (3ssl)    - EVP Blowfish cipher