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| author | Niels Möller <nisse@lysator.liu.se> | 2013-09-09 06:24:53 +0200 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2013-09-09 06:24:53 +0200 |
| commit | a0ac85431d424ef658c373f635a861b0517eb218 (patch) | |
| tree | e01a2cac637d824cb4702cad62af7127dfb51c59 /gcm.c | |
| parent | c6cce95d22bd2e4a969d4985def95fc93a86931e (diff) | |
| download | nettle-a0ac85431d424ef658c373f635a861b0517eb218.tar.gz | |
Support optional assembly files for both nettle and hogweed.
Prepare for assembly gcm_gf_mul_8.
Diffstat (limited to 'gcm.c')
| -rw-r--r-- | gcm.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -214,6 +214,12 @@ gcm_gf_mul (union gcm_block *x, const union gcm_block *table) memcpy (x->b, Z.b, sizeof(Z)); } # elif GCM_TABLE_BITS == 8 +# if HAVE_NATIVE_gcm_gf_mul_8 + +#define gcm_gf_mul _nettle_gcm_gf_mul_8 +void +gcm_gf_mul (union gcm_block *x, const union gcm_block *y); +# else /* !HAVE_NATIVE_gcm_gf_mul_8 */ static const uint16_t shift_table[0x100] = { W(00,00),W(01,c2),W(03,84),W(02,46),W(07,08),W(06,ca),W(04,8c),W(05,4e), @@ -304,7 +310,7 @@ gcm_gf_mul (union gcm_block *x, const union gcm_block *table) gcm_gf_shift_8(&Z); gcm_gf_add(x, &Z, &table[x->b[0]]); } - +# endif /* ! HAVE_NATIVE_gcm_gf_mul_8 */ # else /* GCM_TABLE_BITS != 8 */ # error Unsupported table size. # endif /* GCM_TABLE_BITS != 8 */ |