DES_cfb_encrypt
DES_cfb_encrypt(c, d, 1, 1, EVP_CIPHER_CTX_get_cipher_data(ctx),
DES_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK,
DES_cfb_encrypt(in, out, 8, (long)inl,
void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
DES_cfb_encrypt(c, d, 1, 1, key, (DES_cblock *)ctx->iv, ctx->enc);
DES_cfb_encrypt(in, out, 8, (long)MAXCHUNK, key,
DES_cfb_encrypt(in, out, 8, (long)inl, key,
DES_cfb_encrypt(plain, cfb_buf1, bits, sizeof(plain), &ks, &cfb_tmp,
DES_cfb_encrypt(cfb_buf1, cfb_buf2, bits, sizeof(plain), &ks, &cfb_tmp,
DES_cfb_encrypt(&plain[i], &cfb_buf1[i], 8, 1, &ks, &cfb_tmp,
DES_cfb_encrypt(&cfb_buf1[i], &cfb_buf2[i], 8, 1, &ks, &cfb_tmp,