cipher_init
cipher_init(struct sshcipher_ctx **ccp, const struct sshcipher *cipher,
#define cipher_init Fssh_cipher_init
static int cipher_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
static int cipher_init(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
static int cipher_init(EVP_CIPHER_CTX *ctx,