diff options
Diffstat (limited to 'block-internal.h')
| -rw-r--r-- | block-internal.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block-internal.h b/block-internal.h index d7b0c315..e9c26ff6 100644 --- a/block-internal.h +++ b/block-internal.h @@ -40,6 +40,7 @@ #include <assert.h> #include "nettle-types.h" +#include "bswap-internal.h" #include "memxor.h" static inline void @@ -197,4 +198,15 @@ block16_mulx_ghash (union nettle_block16 *r, } #endif /* ! WORDS_BIGENDIAN */ +/* Reverse bytes in X and store the result in R. This supports + in-place operation (R and X can overlap). */ +static inline void +block16_bswap (union nettle_block16 *r, + const union nettle_block16 *x) +{ + uint64_t t = nettle_bswap64 (x->u64[0]); + r->u64[0] = nettle_bswap64 (x->u64[1]); + r->u64[1] = t; +} + #endif /* NETTLE_BLOCK_INTERNAL_H_INCLUDED */ |