CRYPTO_ctr128_encrypt_ctr32
CRYPTO_ctr128_encrypt_ctr32(in, out, length, key, ivec, ecount_buf,
LCRYPTO_USED(CRYPTO_ctr128_encrypt_ctr32);
LCRYPTO_ALIAS(CRYPTO_ctr128_encrypt_ctr32);
void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,