int crypto_aead_encrypt(
unsigned char *c, unsigned long long *clen,
const unsigned char *m, unsigned long long mlen,
const unsigned char *ad, unsigned long long adlen,
const unsigned char *nsec,
const unsigned char *npub,
const unsigned char *k
)
{
if(mlen == 0 && adlen == 0) return RETURN_UNSUPPORTED;
/* set ciphertext length */
*clen = mlen + CRYPTO_ABYTES;
unsigned char tag[CRYPTO_ABYTES];
ae_cxt* cxt = ae_allocate();
if(!cxt)
return RETURN_MEMORY_FAIL;
/* set key and compute round keys */
if(ae_init(cxt, k, CRYPTO_KEYBYTES))
return RETURN_KEYSIZE_ERR;
/* process the associated data */
process_ad(cxt, ad, adlen, npub, CRYPTO_NPUBBYTES);
/* encrypt message */
ae_encrypt(cxt, (unsigned char*)m, mlen, c);
free(cxt);
return RETURN_SUCCESS;
}
int crypto_aead_decrypt(
unsigned char *m,unsigned long long *mlen,
unsigned char *nsec, //not relavent to CLOC
const unsigned char *c,unsigned long long clen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k
)
{
/* set plaintext length */
*mlen = clen - CRYPTO_ABYTES;
unsigned char tag[CRYPTO_ABYTES];
ae_cxt* cxt = ae_allocate();
if(!cxt)
return RETURN_MEMORY_FAIL;
/* set key and compute round keys */
ae_init(cxt, k, CRYPTO_KEYBYTES * 8);
/* process the associated data */
process_ad(cxt, ad, adlen, npub, CRYPTO_NPUBBYTES);
/* decrypt ciphertext */
ae_encrypt(cxt, m, *mlen, (unsigned char*)c, tag, CRYPTO_ABYTES, DEC);
/* compare the tag */
int i;
for(i = 0; i < CRYPTO_ABYTES; i++)
if(tag[i] != c[(*mlen) + i]){
return RETURN_TAG_NO_MATCH;
}
return RETURN_SUCCESS;
}
int crypto_aead_encrypt(
unsigned char *c, unsigned long long *clen,
const unsigned char *m, unsigned long long mlen,
const unsigned char *ad, unsigned long long adlen,
const unsigned char *nsec, //not relavent to CLOC
const unsigned char *npub,
const unsigned char *k
)
{
/* set ciphertext length */
*clen = mlen + CRYPTO_ABYTES;
unsigned char tag[CRYPTO_ABYTES];
ae_cxt* cxt = ae_allocate();
if(!cxt)
return RETURN_MEMORY_FAIL;
/* set key and compute round keys */
ae_init(cxt, k, CRYPTO_KEYBYTES * 8);
/* process the associated data */
process_ad(cxt, ad, adlen, npub, CRYPTO_NPUBBYTES);
/* encrypt message */
ae_encrypt(cxt, (unsigned char*)m, mlen, c, tag, CRYPTO_ABYTES, ENC);
/* copy the tag to the end of ciphertext */
memcpy(c+mlen, tag, CRYPTO_ABYTES);
return RETURN_SUCCESS;
}
int crypto_aead_decrypt(
unsigned char *m,unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c,unsigned long long clen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k
)
{
/* set plaintext length */
*mlen = clen - CRYPTO_ABYTES;
if(mlen == 0 && adlen == 0) return RETURN_UNSUPPORTED;
unsigned char tag[CRYPTO_ABYTES*2];
ae_cxt* cxt = ae_allocate();
if(!cxt)
return RETURN_MEMORY_FAIL;
/* set key and compute round keys */
if(ae_init(cxt, k, CRYPTO_KEYBYTES))
return RETURN_KEYSIZE_ERR;
/* process the associated data */
process_ad(cxt, ad, adlen, npub, CRYPTO_NPUBBYTES);
/* decrypt ciphertext */
ae_decrypt(cxt, m, clen, (unsigned char*)c, tag);
free(cxt);
/* compare the tag */
int i;
if((*mlen) > SLEN && (*mlen % SLEN))
{
for(i = 0; i < CRYPTO_ABYTES; i++)
if(tag[i] != tag[SLEN + i]){
return RETURN_TAG_NO_MATCH;
}
}
else
for(i = 0; i < CRYPTO_ABYTES; i++)
if(tag[i] != c[(*mlen) + i]){
return RETURN_TAG_NO_MATCH;
}
return RETURN_SUCCESS;
}
/* #define NEW_2_SCHEME 0 */
/* #define NEW_3_SCHEME 0 */
/* #define ENCRYPT 0 */
/* #define DECRYPT 0 */
int main(int argc, char **argv)
{
/* Allocate locals */
ALIGN(16) char pt[8*1024] = {0};
ALIGN(16) char tag[16];
ALIGN(16) unsigned char key[] = "abcdefghijklmnop";
ALIGN(16) unsigned char nonce[] = "abcdefghijklmnop";
char outbuf[MAX_ITER*15+1024];
int iter_list[2048]; /* Populate w/ test lengths, -1 terminated */
ae_ctx* ctx = ae_allocate(NULL);
char *outp = outbuf;
int i, j, len;
double Hz;
double ipi=0, tmpd;
/* populate iter_list, terminate list with negative number */
for (i=0; i<MAX_ITER; ++i)
iter_list[i] = i+1;
if (MAX_ITER < 44) iter_list[i++] = 44;
if (MAX_ITER < 552) iter_list[i++] = 552;
if (MAX_ITER < 576) iter_list[i++] = 576;
if (MAX_ITER < 1500) iter_list[i++] = 1500;
if (MAX_ITER < 4096) iter_list[i++] = 4096;
iter_list[i] = -1;
