Applied OpenSSL: CTR Mode in File Encryption

/* crypto/aes/aes_ecb.c -*- mode:C; c-file-style: "eay" -*- */
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#ifndef AES_DEBUG
# ifndef NDEBUG
#  define NDEBUG
# endif
#endif
#include <assert.h>

#include <openssl/aes.h>
#include "aes_locl.h"

void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
		     const AES_KEY *key, const int enc) {

        assert(in && out && key);
	assert((AES_ENCRYPT == enc)||(AES_DECRYPT == enc));

	if (AES_ENCRYPT == enc)
		AES_encrypt(in, out, key);
	else
		AES_decrypt(in, out, key);
}