1 files changed, 0 insertions, 127 deletions
diff --git a/lib/liboqs/src/kem/kyber/pqcrystals-kyber_kyber512_ref/kem.c b/lib/liboqs/src/kem/kyber/pqcrystals-kyber_kyber512_ref/kem.c
deleted file mode 100644
index f376bd236..000000000
--- a/lib/liboqs/src/kem/kyber/pqcrystals-kyber_kyber512_ref/kem.c
+++ /dev/null
@@ -1,127 +0,0 @@
-#include <stddef.h>
-#include <stdint.h>
-#include "params.h"
-#include "kem.h"
-#include "indcpa.h"
-#include "verify.h"
-#include "symmetric.h"
-#include "randombytes.h"
-
-/*************************************************
-* Name:        crypto_kem_keypair
-*
-* Description: Generates public and private key
-*              for CCA-secure Kyber key encapsulation mechanism
-*
-* Arguments:   - uint8_t *pk: pointer to output public key
-*                (an already allocated array of KYBER_PUBLICKEYBYTES bytes)
-*              - uint8_t *sk: pointer to output private key
-*                (an already allocated array of KYBER_SECRETKEYBYTES bytes)
-*
-* Returns 0 (success)
-**************************************************/
-int crypto_kem_keypair(uint8_t *pk,
-                       uint8_t *sk)
-{
-  size_t i;
-  indcpa_keypair(pk, sk);
-  for(i=0;i<KYBER_INDCPA_PUBLICKEYBYTES;i++)
-    sk[i+KYBER_INDCPA_SECRETKEYBYTES] = pk[i];
-  hash_h(sk+KYBER_SECRETKEYBYTES-2*KYBER_SYMBYTES, pk, KYBER_PUBLICKEYBYTES);
-  /* Value z for pseudo-random output on reject */
-  randombytes(sk+KYBER_SECRETKEYBYTES-KYBER_SYMBYTES, KYBER_SYMBYTES);
-  return 0;
-}
-
-/*************************************************
-* Name:        crypto_kem_enc
-*
-* Description: Generates cipher text and shared
-*              secret for given public key
-*
-* Arguments:   - uint8_t *ct: pointer to output cipher text
-*                (an already allocated array of KYBER_CIPHERTEXTBYTES bytes)
-*              - uint8_t *ss: pointer to output shared secret
-*                (an already allocated array of KYBER_SSBYTES bytes)
-*              - const uint8_t *pk: pointer to input public key
-*                (an already allocated array of KYBER_PUBLICKEYBYTES bytes)
-*
-* Returns 0 (success)
-**************************************************/
-int crypto_kem_enc(uint8_t *ct,
-                   uint8_t *ss,
-                   const uint8_t *pk)
-{
-  uint8_t buf[2*KYBER_SYMBYTES];
-  /* Will contain key, coins */
-  uint8_t kr[2*KYBER_SYMBYTES];
-
-  randombytes(buf, KYBER_SYMBYTES);
-  /* Don't release system RNG output */
-  hash_h(buf, buf, KYBER_SYMBYTES);
-
-  /* Multitarget countermeasure for coins + contributory KEM */
-  hash_h(buf+KYBER_SYMBYTES, pk, KYBER_PUBLICKEYBYTES);
-  hash_g(kr, buf, 2*KYBER_SYMBYTES);
-
-  /* coins are in kr+KYBER_SYMBYTES */
-  indcpa_enc(ct, buf, pk, kr+KYBER_SYMBYTES);
-
-  /* overwrite coins in kr with H(c) */
-  hash_h(kr+KYBER_SYMBYTES, ct, KYBER_CIPHERTEXTBYTES);
-  /* hash concatenation of pre-k and H(c) to k */
-  kdf(ss, kr, 2*KYBER_SYMBYTES);
-  return 0;
-}
-
-/*************************************************
-* Name:        crypto_kem_dec
-*
-* Description: Generates shared secret for given
-*              cipher text and private key
-*
-* Arguments:   - uint8_t *ss: pointer to output shared secret
-*                (an already allocated array of KYBER_SSBYTES bytes)
-*              - const uint8_t *ct: pointer to input cipher text
-*                (an already allocated array of KYBER_CIPHERTEXTBYTES bytes)
-*              - const uint8_t *sk: pointer to input private key
-*                (an already allocated array of KYBER_SECRETKEYBYTES bytes)
-*
-* Returns 0.
-*
-* On failure, ss will contain a pseudo-random value.
-**************************************************/
-int crypto_kem_dec(uint8_t *ss,
-                   const uint8_t *ct,
-                   const uint8_t *sk)
-{
-  size_t i;
-  int fail;
-  uint8_t buf[2*KYBER_SYMBYTES];
-  /* Will contain key, coins */
-  uint8_t kr[2*KYBER_SYMBYTES];
-  uint8_t cmp[KYBER_CIPHERTEXTBYTES];
-  const uint8_t *pk = sk+KYBER_INDCPA_SECRETKEYBYTES;
-
-  indcpa_dec(buf, ct, sk);
-
-  /* Multitarget countermeasure for coins + contributory KEM */
-  for(i=0;i<KYBER_SYMBYTES;i++)
-    buf[KYBER_SYMBYTES+i] = sk[KYBER_SECRETKEYBYTES-2*KYBER_SYMBYTES+i];
-  hash_g(kr, buf, 2*KYBER_SYMBYTES);
-
-  /* coins are in kr+KYBER_SYMBYTES */
-  indcpa_enc(cmp, buf, pk, kr+KYBER_SYMBYTES);
-
-  fail = verify(ct, cmp, KYBER_CIPHERTEXTBYTES);
-
-  /* overwrite coins in kr with H(c) */
-  hash_h(kr+KYBER_SYMBYTES, ct, KYBER_CIPHERTEXTBYTES);
-
-  /* Overwrite pre-k with z on re-encryption failure */
-  cmov(kr, sk+KYBER_SECRETKEYBYTES-KYBER_SYMBYTES, KYBER_SYMBYTES, fail);
-
-  /* hash concatenation of pre-k and H(c) to k */
-  kdf(ss, kr, 2*KYBER_SYMBYTES);
-  return 0;
-}