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lib/mpi: headers cleanup
MPI headers contain definitions for huge number of non-existing functions. Most part of these functions was removed in 2012 by Dmitry Kasatkin -7cf4206a99("Remove unused code from MPI library") -9e235dcaf4("Revert "crypto: GnuPG based MPI lib - additional ...") -bc95eeadf5("lib/mpi: removed unused functions") however headers wwere not updated properly. Also I deleted some unused macros. Link: http://lkml.kernel.org/r/fb2fc1ef-1185-f0a3-d8d0-173d2f97bbaf@virtuozzo.com Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Dmitry Kasatkin <dmitry.kasatkin@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vasily Averin
Linus Torvalds
parent
804209d8a0
commit
cbdc61ae1f
@ -53,93 +53,32 @@ struct gcry_mpi {
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typedef struct gcry_mpi *MPI;
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#define mpi_get_nlimbs(a) ((a)->nlimbs)
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#define mpi_is_neg(a) ((a)->sign)
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/*-- mpiutil.c --*/
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MPI mpi_alloc(unsigned nlimbs);
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MPI mpi_alloc_secure(unsigned nlimbs);
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MPI mpi_alloc_like(MPI a);
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void mpi_free(MPI a);
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int mpi_resize(MPI a, unsigned nlimbs);
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int mpi_copy(MPI *copy, const MPI a);
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void mpi_clear(MPI a);
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int mpi_set(MPI w, MPI u);
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int mpi_set_ui(MPI w, ulong u);
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MPI mpi_alloc_set_ui(unsigned long u);
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void mpi_m_check(MPI a);
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void mpi_swap(MPI a, MPI b);
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/*-- mpicoder.c --*/
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MPI do_encode_md(const void *sha_buffer, unsigned nbits);
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MPI mpi_read_raw_data(const void *xbuffer, size_t nbytes);
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MPI mpi_read_from_buffer(const void *buffer, unsigned *ret_nread);
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MPI mpi_read_raw_from_sgl(struct scatterlist *sgl, unsigned int len);
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int mpi_fromstr(MPI val, const char *str);
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u32 mpi_get_keyid(MPI a, u32 *keyid);
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void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign);
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int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes,
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int *sign);
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void *mpi_get_secure_buffer(MPI a, unsigned *nbytes, int *sign);
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int mpi_write_to_sgl(MPI a, struct scatterlist *sg, unsigned nbytes,
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int *sign);
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#define log_mpidump g10_log_mpidump
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/*-- mpi-add.c --*/
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int mpi_add_ui(MPI w, MPI u, ulong v);
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int mpi_add(MPI w, MPI u, MPI v);
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int mpi_addm(MPI w, MPI u, MPI v, MPI m);
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int mpi_sub_ui(MPI w, MPI u, ulong v);
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int mpi_sub(MPI w, MPI u, MPI v);
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int mpi_subm(MPI w, MPI u, MPI v, MPI m);
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/*-- mpi-mul.c --*/
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int mpi_mul_ui(MPI w, MPI u, ulong v);
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int mpi_mul_2exp(MPI w, MPI u, ulong cnt);
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int mpi_mul(MPI w, MPI u, MPI v);
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int mpi_mulm(MPI w, MPI u, MPI v, MPI m);
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/*-- mpi-div.c --*/
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ulong mpi_fdiv_r_ui(MPI rem, MPI dividend, ulong divisor);
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int mpi_fdiv_r(MPI rem, MPI dividend, MPI divisor);
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int mpi_fdiv_q(MPI quot, MPI dividend, MPI divisor);
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int mpi_fdiv_qr(MPI quot, MPI rem, MPI dividend, MPI divisor);
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int mpi_tdiv_r(MPI rem, MPI num, MPI den);
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int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den);
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int mpi_tdiv_q_2exp(MPI w, MPI u, unsigned count);
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int mpi_divisible_ui(const MPI dividend, ulong divisor);
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/*-- mpi-gcd.c --*/
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int mpi_gcd(MPI g, const MPI a, const MPI b);
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/*-- mpi-pow.c --*/
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int mpi_pow(MPI w, MPI u, MPI v);
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int mpi_powm(MPI res, MPI base, MPI exp, MPI mod);
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/*-- mpi-mpow.c --*/
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int mpi_mulpowm(MPI res, MPI *basearray, MPI *exparray, MPI mod);
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/*-- mpi-cmp.c --*/
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int mpi_cmp_ui(MPI u, ulong v);
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int mpi_cmp(MPI u, MPI v);
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/*-- mpi-scan.c --*/
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int mpi_getbyte(MPI a, unsigned idx);
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void mpi_putbyte(MPI a, unsigned idx, int value);
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unsigned mpi_trailing_zeros(MPI a);
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/*-- mpi-bit.c --*/
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void mpi_normalize(MPI a);
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unsigned mpi_get_nbits(MPI a);
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int mpi_test_bit(MPI a, unsigned n);
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int mpi_set_bit(MPI a, unsigned n);
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int mpi_set_highbit(MPI a, unsigned n);
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void mpi_clear_highbit(MPI a, unsigned n);
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void mpi_clear_bit(MPI a, unsigned n);
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int mpi_rshift(MPI x, MPI a, unsigned n);
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/*-- mpi-inv.c --*/
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int mpi_invm(MPI x, MPI u, MPI v);
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/* inline functions */
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@ -65,13 +65,6 @@
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typedef mpi_limb_t *mpi_ptr_t; /* pointer to a limb */
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typedef int mpi_size_t; /* (must be a signed type) */
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static inline int RESIZE_IF_NEEDED(MPI a, unsigned b)
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{
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if (a->alloced < b)
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return mpi_resize(a, b);
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return 0;
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}
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/* Copy N limbs from S to D. */
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#define MPN_COPY(d, s, n) \
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do { \
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@ -80,13 +73,6 @@ static inline int RESIZE_IF_NEEDED(MPI a, unsigned b)
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(d)[_i] = (s)[_i]; \
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} while (0)
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#define MPN_COPY_INCR(d, s, n) \
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do { \
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mpi_size_t _i; \
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for (_i = 0; _i < (n); _i++) \
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(d)[_i] = (s)[_i]; \
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} while (0)
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#define MPN_COPY_DECR(d, s, n) \
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do { \
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mpi_size_t _i; \
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@ -111,15 +97,6 @@ static inline int RESIZE_IF_NEEDED(MPI a, unsigned b)
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} \
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} while (0)
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#define MPN_NORMALIZE_NOT_ZERO(d, n) \
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do { \
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for (;;) { \
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if ((d)[(n)-1]) \
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break; \
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(n)--; \
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} \
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} while (0)
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#define MPN_MUL_N_RECURSE(prodp, up, vp, size, tspace) \
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do { \
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if ((size) < KARATSUBA_THRESHOLD) \
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@ -128,46 +105,11 @@ static inline int RESIZE_IF_NEEDED(MPI a, unsigned b)
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mul_n(prodp, up, vp, size, tspace); \
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} while (0);
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/* Divide the two-limb number in (NH,,NL) by D, with DI being the largest
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* limb not larger than (2**(2*BITS_PER_MP_LIMB))/D - (2**BITS_PER_MP_LIMB).
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* If this would yield overflow, DI should be the largest possible number
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* (i.e., only ones). For correct operation, the most significant bit of D
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* has to be set. Put the quotient in Q and the remainder in R.
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*/
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#define UDIV_QRNND_PREINV(q, r, nh, nl, d, di) \
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do { \
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mpi_limb_t _q, _ql, _r; \
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mpi_limb_t _xh, _xl; \
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umul_ppmm(_q, _ql, (nh), (di)); \
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_q += (nh); /* DI is 2**BITS_PER_MPI_LIMB too small */ \
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umul_ppmm(_xh, _xl, _q, (d)); \
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sub_ddmmss(_xh, _r, (nh), (nl), _xh, _xl); \
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if (_xh) { \
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sub_ddmmss(_xh, _r, _xh, _r, 0, (d)); \
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_q++; \
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if (_xh) { \
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sub_ddmmss(_xh, _r, _xh, _r, 0, (d)); \
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_q++; \
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} \
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} \
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if (_r >= (d)) { \
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_r -= (d); \
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_q++; \
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} \
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(r) = _r; \
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(q) = _q; \
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} while (0)
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/*-- mpiutil.c --*/
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mpi_ptr_t mpi_alloc_limb_space(unsigned nlimbs);
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void mpi_free_limb_space(mpi_ptr_t a);
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void mpi_assign_limb_space(MPI a, mpi_ptr_t ap, unsigned nlimbs);
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/*-- mpi-bit.c --*/
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void mpi_rshift_limbs(MPI a, unsigned int count);
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int mpi_lshift_limbs(MPI a, unsigned int count);
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/*-- mpihelp-add.c --*/
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static inline mpi_limb_t mpihelp_add_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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mpi_size_t s1_size, mpi_limb_t s2_limb);
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mpi_limb_t mpihelp_add_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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@ -175,7 +117,6 @@ mpi_limb_t mpihelp_add_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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static inline mpi_limb_t mpihelp_add(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size,
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mpi_ptr_t s2_ptr, mpi_size_t s2_size);
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/*-- mpihelp-sub.c --*/
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static inline mpi_limb_t mpihelp_sub_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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mpi_size_t s1_size, mpi_limb_t s2_limb);
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mpi_limb_t mpihelp_sub_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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@ -183,10 +124,10 @@ mpi_limb_t mpihelp_sub_n(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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static inline mpi_limb_t mpihelp_sub(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr, mpi_size_t s1_size,
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mpi_ptr_t s2_ptr, mpi_size_t s2_size);
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/*-- mpihelp-cmp.c --*/
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/*-- mpih-cmp.c --*/
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int mpihelp_cmp(mpi_ptr_t op1_ptr, mpi_ptr_t op2_ptr, mpi_size_t size);
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/*-- mpihelp-mul.c --*/
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/*-- mpih-mul.c --*/
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struct karatsuba_ctx {
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struct karatsuba_ctx *next;
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@ -202,7 +143,6 @@ mpi_limb_t mpihelp_addmul_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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mpi_size_t s1_size, mpi_limb_t s2_limb);
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mpi_limb_t mpihelp_submul_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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mpi_size_t s1_size, mpi_limb_t s2_limb);
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int mpihelp_mul_n(mpi_ptr_t prodp, mpi_ptr_t up, mpi_ptr_t vp, mpi_size_t size);
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int mpihelp_mul(mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t usize,
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mpi_ptr_t vp, mpi_size_t vsize, mpi_limb_t *_result);
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void mpih_sqr_n_basecase(mpi_ptr_t prodp, mpi_ptr_t up, mpi_size_t size);
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@ -214,21 +154,16 @@ int mpihelp_mul_karatsuba_case(mpi_ptr_t prodp,
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mpi_ptr_t vp, mpi_size_t vsize,
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struct karatsuba_ctx *ctx);
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/*-- mpihelp-mul_1.c (or xxx/cpu/ *.S) --*/
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/*-- generic_mpih-mul1.c --*/
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mpi_limb_t mpihelp_mul_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
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mpi_size_t s1_size, mpi_limb_t s2_limb);
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/*-- mpihelp-div.c --*/
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mpi_limb_t mpihelp_mod_1(mpi_ptr_t dividend_ptr, mpi_size_t dividend_size,
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mpi_limb_t divisor_limb);
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/*-- mpih-div.c --*/
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mpi_limb_t mpihelp_divrem(mpi_ptr_t qp, mpi_size_t qextra_limbs,
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mpi_ptr_t np, mpi_size_t nsize,
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mpi_ptr_t dp, mpi_size_t dsize);
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mpi_limb_t mpihelp_divmod_1(mpi_ptr_t quot_ptr,
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mpi_ptr_t dividend_ptr, mpi_size_t dividend_size,
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mpi_limb_t divisor_limb);
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/*-- mpihelp-shift.c --*/
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/*-- generic_mpih-[lr]shift.c --*/
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mpi_limb_t mpihelp_lshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize,
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unsigned cnt);
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mpi_limb_t mpihelp_rshift(mpi_ptr_t wp, mpi_ptr_t up, mpi_size_t usize,
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