diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mpi/mpicoder.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c index 747606f9e4a3..c7420335a5bb 100644 --- a/lib/mpi/mpicoder.c +++ b/lib/mpi/mpicoder.c @@ -250,82 +250,6 @@ void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign) } EXPORT_SYMBOL_GPL(mpi_get_buffer); -/**************** - * Use BUFFER to update MPI. - */ -int mpi_set_buffer(MPI a, const void *xbuffer, unsigned nbytes, int sign) -{ - const uint8_t *buffer = xbuffer, *p; - mpi_limb_t alimb; - int nlimbs; - int i; - - nlimbs = DIV_ROUND_UP(nbytes, BYTES_PER_MPI_LIMB); - if (RESIZE_IF_NEEDED(a, nlimbs) < 0) - return -ENOMEM; - a->sign = sign; - - for (i = 0, p = buffer + nbytes - 1; p >= buffer + BYTES_PER_MPI_LIMB;) { -#if BYTES_PER_MPI_LIMB == 4 - alimb = (mpi_limb_t) *p--; - alimb |= (mpi_limb_t) *p-- << 8; - alimb |= (mpi_limb_t) *p-- << 16; - alimb |= (mpi_limb_t) *p-- << 24; -#elif BYTES_PER_MPI_LIMB == 8 - alimb = (mpi_limb_t) *p--; - alimb |= (mpi_limb_t) *p-- << 8; - alimb |= (mpi_limb_t) *p-- << 16; - alimb |= (mpi_limb_t) *p-- << 24; - alimb |= (mpi_limb_t) *p-- << 32; - alimb |= (mpi_limb_t) *p-- << 40; - alimb |= (mpi_limb_t) *p-- << 48; - alimb |= (mpi_limb_t) *p-- << 56; -#else -#error please implement for this limb size. -#endif - a->d[i++] = alimb; - } - if (p >= buffer) { -#if BYTES_PER_MPI_LIMB == 4 - alimb = *p--; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 8; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 16; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 24; -#elif BYTES_PER_MPI_LIMB == 8 - alimb = (mpi_limb_t) *p--; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 8; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 16; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 24; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 32; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 40; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 48; - if (p >= buffer) - alimb |= (mpi_limb_t) *p-- << 56; -#else -#error please implement for this limb size. -#endif - a->d[i++] = alimb; - } - a->nlimbs = i; - - if (i != nlimbs) { - pr_emerg("MPI: mpi_set_buffer: Assertion failed (%d != %d)", i, - nlimbs); - BUG(); - } - return 0; -} -EXPORT_SYMBOL_GPL(mpi_set_buffer); - /** * mpi_write_to_sgl() - Funnction exports MPI to an sgl (msb first) * |