Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 414 insertions, 0 deletions

diff --git a/comm/third_party/libgcrypt/cipher/rijndael-armv8-ce.c b/comm/third_party/libgcrypt/cipher/rijndael-armv8-ce.c
new file mode 100644
index 0000000000..6e46830ee4
--- /dev/null
+++ b/comm/third_party/libgcrypt/cipher/rijndael-armv8-ce.c
@@ -0,0 +1,414 @@
+/* ARMv8 Crypto Extension AES for Libgcrypt
+ * Copyright (C) 2016 Jussi Kivilinna <jussi.kivilinna@iki.fi>
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h> /* for memcmp() */
+
+#include "types.h"  /* for byte and u32 typedefs */
+#include "g10lib.h"
+#include "cipher.h"
+#include "bufhelp.h"
+#include "cipher-selftest.h"
+#include "rijndael-internal.h"
+#include "./cipher-internal.h"
+
+
+#ifdef USE_ARM_CE
+
+
+typedef struct u128_s { u32 a, b, c, d; } u128_t;
+
+extern u32 _gcry_aes_sbox4_armv8_ce(u32 in4b);
+extern void _gcry_aes_invmixcol_armv8_ce(u128_t *dst, const u128_t *src);
+
+extern unsigned int _gcry_aes_enc_armv8_ce(const void *keysched, byte *dst,
+                                           const byte *src,
+                                           unsigned int nrounds);
+extern unsigned int _gcry_aes_dec_armv8_ce(const void *keysched, byte *dst,
+                                           const byte *src,
+                                           unsigned int nrounds);
+
+extern void _gcry_aes_cbc_enc_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *iv, size_t nblocks,
+                                        int cbc_mac, unsigned int nrounds);
+extern void _gcry_aes_cbc_dec_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *iv, size_t nblocks,
+                                        unsigned int nrounds);
+
+extern void _gcry_aes_cfb_enc_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *iv, size_t nblocks,
+                                        unsigned int nrounds);
+extern void _gcry_aes_cfb_dec_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *iv, size_t nblocks,
+                                        unsigned int nrounds);
+
+extern void _gcry_aes_ctr_enc_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *iv, size_t nblocks,
+                                        unsigned int nrounds);
+
+extern void _gcry_aes_ocb_enc_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *offset,
+                                        unsigned char *checksum,
+                                        unsigned char *L_table,
+                                        size_t nblocks,
+                                        unsigned int nrounds,
+                                        unsigned int blkn);
+extern void _gcry_aes_ocb_dec_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *offset,
+                                        unsigned char *checksum,
+                                        unsigned char *L_table,
+                                        size_t nblocks,
+                                        unsigned int nrounds,
+                                        unsigned int blkn);
+extern void _gcry_aes_ocb_auth_armv8_ce (const void *keysched,
+                                         const unsigned char *abuf,
+                                         unsigned char *offset,
+                                         unsigned char *checksum,
+                                         unsigned char *L_table,
+                                         size_t nblocks,
+                                         unsigned int nrounds,
+                                         unsigned int blkn);
+extern void _gcry_aes_xts_enc_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *tweak,
+                                        size_t nblocks, unsigned int nrounds);
+extern void _gcry_aes_xts_dec_armv8_ce (const void *keysched,
+                                        unsigned char *outbuf,
+                                        const unsigned char *inbuf,
+                                        unsigned char *tweak,
+                                        size_t nblocks, unsigned int nrounds);
+
+typedef void (*ocb_crypt_fn_t) (const void *keysched, unsigned char *outbuf,
+                                const unsigned char *inbuf,
+                                unsigned char *offset, unsigned char *checksum,
+                                unsigned char *L_table, size_t nblocks,
+                                unsigned int nrounds, unsigned int blkn);
+
+typedef void (*xts_crypt_fn_t) (const void *keysched, unsigned char *outbuf,
+                                const unsigned char *inbuf,
+                                unsigned char *tweak, size_t nblocks,
+                                unsigned int nrounds);
+
+void
+_gcry_aes_armv8_ce_setkey (RIJNDAEL_context *ctx, const byte *key)
+{
+  union
+    {
+      PROPERLY_ALIGNED_TYPE dummy;
+      byte data[MAXKC][4];
+      u32 data32[MAXKC];
+    } tkk[2];
+  unsigned int rounds = ctx->rounds;
+  int KC = rounds - 6;
+  unsigned int keylen = KC * 4;
+  unsigned int i, r, t;
+  byte rcon = 1;
+  int j;
+#define k      tkk[0].data
+#define k_u32  tkk[0].data32
+#define tk     tkk[1].data
+#define tk_u32 tkk[1].data32
+#define W      (ctx->keyschenc)
+#define W_u32  (ctx->keyschenc32)
+
+  for (i = 0; i < keylen; i++)
+    {
+      k[i >> 2][i & 3] = key[i];
+    }
+
+  for (j = KC-1; j >= 0; j--)
+    {
+      tk_u32[j] = k_u32[j];
+    }
+  r = 0;
+  t = 0;
+  /* Copy values into round key array.  */
+  for (j = 0; (j < KC) && (r < rounds + 1); )
+    {
+      for (; (j < KC) && (t < 4); j++, t++)
+        {
+          W_u32[r][t] = le_bswap32(tk_u32[j]);
+        }
+      if (t == 4)
+        {
+          r++;
+          t = 0;
+        }
+    }
+
+  while (r < rounds + 1)
+    {
+      tk_u32[0] ^= _gcry_aes_sbox4_armv8_ce(rol(tk_u32[KC - 1], 24)) ^ rcon;
+
+      if (KC != 8)
+        {
+          for (j = 1; j < KC; j++)
+            {
+              tk_u32[j] ^= tk_u32[j-1];
+            }
+        }
+      else
+        {
+          for (j = 1; j < KC/2; j++)
+            {
+              tk_u32[j] ^= tk_u32[j-1];
+            }
+
+          tk_u32[KC/2] ^= _gcry_aes_sbox4_armv8_ce(tk_u32[KC/2 - 1]);
+
+          for (j = KC/2 + 1; j < KC; j++)
+            {
+              tk_u32[j] ^= tk_u32[j-1];
+            }
+        }
+
+      /* Copy values into round key array.  */
+      for (j = 0; (j < KC) && (r < rounds + 1); )
+        {
+          for (; (j < KC) && (t < 4); j++, t++)
+            {
+              W_u32[r][t] = le_bswap32(tk_u32[j]);
+            }
+          if (t == 4)
+            {
+              r++;
+              t = 0;
+            }
+        }
+
+      rcon = (rcon << 1) ^ ((rcon >> 7) * 0x1b);
+    }
+
+#undef W
+#undef tk
+#undef k
+#undef W_u32
+#undef tk_u32
+#undef k_u32
+  wipememory(&tkk, sizeof(tkk));
+}
+
+/* Make a decryption key from an encryption key. */
+void
+_gcry_aes_armv8_ce_prepare_decryption (RIJNDAEL_context *ctx)
+{
+  u128_t *ekey = (u128_t *)(void *)ctx->keyschenc;
+  u128_t *dkey = (u128_t *)(void *)ctx->keyschdec;
+  int rounds = ctx->rounds;
+  int rr;
+  int r;
+
+#define DO_AESIMC() _gcry_aes_invmixcol_armv8_ce(&dkey[r], &ekey[rr])
+
+  dkey[0] = ekey[rounds];
+  r = 1;
+  rr = rounds-1;
+  DO_AESIMC(); r++; rr--; /* round 1 */
+  DO_AESIMC(); r++; rr--; /* round 2 */
+  DO_AESIMC(); r++; rr--; /* round 3 */
+  DO_AESIMC(); r++; rr--; /* round 4 */
+  DO_AESIMC(); r++; rr--; /* round 5 */
+  DO_AESIMC(); r++; rr--; /* round 6 */
+  DO_AESIMC(); r++; rr--; /* round 7 */
+  DO_AESIMC(); r++; rr--; /* round 8 */
+  DO_AESIMC(); r++; rr--; /* round 9 */
+  if (rounds >= 12)
+    {
+      if (rounds > 12)
+        {
+          DO_AESIMC(); r++; rr--; /* round 10 */
+          DO_AESIMC(); r++; rr--; /* round 11 */
+        }
+
+      DO_AESIMC(); r++; rr--; /* round 12 / 10 */
+      DO_AESIMC(); r++; rr--; /* round 13 / 11 */
+    }
+
+  dkey[r] = ekey[0];
+
+#undef DO_AESIMC
+}
+
+unsigned int
+_gcry_aes_armv8_ce_encrypt (const RIJNDAEL_context *ctx, unsigned char *dst,
+                            const unsigned char *src)
+{
+  const void *keysched = ctx->keyschenc32;
+  unsigned int nrounds = ctx->rounds;
+
+  return _gcry_aes_enc_armv8_ce(keysched, dst, src, nrounds);
+}
+
+unsigned int
+_gcry_aes_armv8_ce_decrypt (const RIJNDAEL_context *ctx, unsigned char *dst,
+                            const unsigned char *src)
+{
+  const void *keysched = ctx->keyschdec32;
+  unsigned int nrounds = ctx->rounds;
+
+  return _gcry_aes_dec_armv8_ce(keysched, dst, src, nrounds);
+}
+
+void
+_gcry_aes_armv8_ce_cbc_enc (const RIJNDAEL_context *ctx, unsigned char *iv,
+                            unsigned char *outbuf, const unsigned char *inbuf,
+                            size_t nblocks, int cbc_mac)
+{
+  const void *keysched = ctx->keyschenc32;
+  unsigned int nrounds = ctx->rounds;
+
+  _gcry_aes_cbc_enc_armv8_ce(keysched, outbuf, inbuf, iv, nblocks, cbc_mac,
+                             nrounds);
+}
+
+void
+_gcry_aes_armv8_ce_cbc_dec (RIJNDAEL_context *ctx, unsigned char *iv,
+                            unsigned char *outbuf, const unsigned char *inbuf,
+                            size_t nblocks)
+{
+  const void *keysched = ctx->keyschdec32;
+  unsigned int nrounds = ctx->rounds;
+
+  if ( !ctx->decryption_prepared )
+    {
+      _gcry_aes_armv8_ce_prepare_decryption ( ctx );
+      ctx->decryption_prepared = 1;
+    }
+
+  _gcry_aes_cbc_dec_armv8_ce(keysched, outbuf, inbuf, iv, nblocks, nrounds);
+}
+
+void
+_gcry_aes_armv8_ce_cfb_enc (RIJNDAEL_context *ctx, unsigned char *iv,
+                            unsigned char *outbuf, const unsigned char *inbuf,
+                            size_t nblocks)
+{
+  const void *keysched = ctx->keyschenc32;
+  unsigned int nrounds = ctx->rounds;
+
+  _gcry_aes_cfb_enc_armv8_ce(keysched, outbuf, inbuf, iv, nblocks, nrounds);
+}
+
+void
+_gcry_aes_armv8_ce_cfb_dec (RIJNDAEL_context *ctx, unsigned char *iv,
+                            unsigned char *outbuf, const unsigned char *inbuf,
+                            size_t nblocks)
+{
+  const void *keysched = ctx->keyschenc32;
+  unsigned int nrounds = ctx->rounds;
+
+  _gcry_aes_cfb_dec_armv8_ce(keysched, outbuf, inbuf, iv, nblocks, nrounds);
+}
+
+void
+_gcry_aes_armv8_ce_ctr_enc (RIJNDAEL_context *ctx, unsigned char *iv,
+                            unsigned char *outbuf, const unsigned char *inbuf,
+                            size_t nblocks)
+{
+  const void *keysched = ctx->keyschenc32;
+  unsigned int nrounds = ctx->rounds;
+
+  _gcry_aes_ctr_enc_armv8_ce(keysched, outbuf, inbuf, iv, nblocks, nrounds);
+}
+
+size_t
+_gcry_aes_armv8_ce_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg,
+                              const void *inbuf_arg, size_t nblocks,
+                              int encrypt)
+{
+  RIJNDAEL_context *ctx = (void *)&c->context.c;
+  const void *keysched = encrypt ? ctx->keyschenc32 : ctx->keyschdec32;
+  ocb_crypt_fn_t crypt_fn = encrypt ? _gcry_aes_ocb_enc_armv8_ce
+                                    : _gcry_aes_ocb_dec_armv8_ce;
+  unsigned char *outbuf = outbuf_arg;
+  const unsigned char *inbuf = inbuf_arg;
+  unsigned int nrounds = ctx->rounds;
+  u64 blkn = c->u_mode.ocb.data_nblocks;
+
+  if ( !encrypt && !ctx->decryption_prepared )
+    {
+      _gcry_aes_armv8_ce_prepare_decryption ( ctx );
+      ctx->decryption_prepared = 1;
+    }
+
+  c->u_mode.ocb.data_nblocks = blkn + nblocks;
+
+  crypt_fn(keysched, outbuf, inbuf, c->u_iv.iv, c->u_ctr.ctr,
+           c->u_mode.ocb.L[0], nblocks, nrounds, (unsigned int)blkn);
+
+  return 0;
+}
+
+size_t
+_gcry_aes_armv8_ce_ocb_auth (gcry_cipher_hd_t c, void *abuf_arg,
+                             size_t nblocks)
+{
+  RIJNDAEL_context *ctx = (void *)&c->context.c;
+  const void *keysched = ctx->keyschenc32;
+  const unsigned char *abuf = abuf_arg;
+  unsigned int nrounds = ctx->rounds;
+  u64 blkn = c->u_mode.ocb.aad_nblocks;
+
+  c->u_mode.ocb.aad_nblocks = blkn + nblocks;
+
+  _gcry_aes_ocb_auth_armv8_ce(keysched, abuf, c->u_mode.ocb.aad_offset,
+			      c->u_mode.ocb.aad_sum, c->u_mode.ocb.L[0],
+			      nblocks, nrounds, (unsigned int)blkn);
+
+  return 0;
+}
+
+void
+_gcry_aes_armv8_ce_xts_crypt (RIJNDAEL_context *ctx, unsigned char *tweak,
+			      unsigned char *outbuf, const unsigned char *inbuf,
+			      size_t nblocks, int encrypt)
+{
+  const void *keysched = encrypt ? ctx->keyschenc32 : ctx->keyschdec32;
+  xts_crypt_fn_t crypt_fn = encrypt ? _gcry_aes_xts_enc_armv8_ce
+                                    : _gcry_aes_xts_dec_armv8_ce;
+  unsigned int nrounds = ctx->rounds;
+
+  if ( !encrypt && !ctx->decryption_prepared )
+    {
+      _gcry_aes_armv8_ce_prepare_decryption ( ctx );
+      ctx->decryption_prepared = 1;
+    }
+
+  crypt_fn(keysched, outbuf, inbuf, tweak, nblocks, nrounds);
+}
+
+#endif /* USE_ARM_CE */