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path: root/openssl/crypto/bn/bn_nist.c
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Diffstat (limited to 'openssl/crypto/bn/bn_nist.c')
-rw-r--r--openssl/crypto/bn/bn_nist.c64
1 files changed, 36 insertions, 28 deletions
diff --git a/openssl/crypto/bn/bn_nist.c b/openssl/crypto/bn/bn_nist.c
index 2ca5b0139..c6de03269 100644
--- a/openssl/crypto/bn/bn_nist.c
+++ b/openssl/crypto/bn/bn_nist.c
@@ -354,7 +354,7 @@ int BN_nist_mod_192(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
buf[BN_NIST_192_TOP],
c_d[BN_NIST_192_TOP],
*res;
- size_t mask;
+ PTR_SIZE_INT mask;
static const BIGNUM _bignum_nist_p_192_sqr = {
(BN_ULONG *)_nist_p_192_sqr,
sizeof(_nist_p_192_sqr)/sizeof(_nist_p_192_sqr[0]),
@@ -405,9 +405,10 @@ int BN_nist_mod_192(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
* 'tmp=result-modulus; if (!carry || !borrow) result=tmp;'
* this is what happens below, but without explicit if:-) a.
*/
- mask = 0-(size_t)bn_sub_words(c_d,r_d,_nist_p_192[0],BN_NIST_192_TOP);
- mask &= 0-(size_t)carry;
- res = (BN_ULONG *)(((size_t)c_d&~mask) | ((size_t)r_d&mask));
+ mask = 0-(PTR_SIZE_INT)bn_sub_words(c_d,r_d,_nist_p_192[0],BN_NIST_192_TOP);
+ mask &= 0-(PTR_SIZE_INT)carry;
+ res = (BN_ULONG *)
+ (((PTR_SIZE_INT)c_d&~mask) | ((PTR_SIZE_INT)r_d&mask));
nist_cp_bn(r_d, res, BN_NIST_192_TOP);
r->top = BN_NIST_192_TOP;
bn_correct_top(r);
@@ -438,8 +439,8 @@ int BN_nist_mod_224(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
buf[BN_NIST_224_TOP],
c_d[BN_NIST_224_TOP],
*res;
- size_t mask;
- union { bn_addsub_f f; size_t p; } u;
+ PTR_SIZE_INT mask;
+ union { bn_addsub_f f; PTR_SIZE_INT p; } u;
static const BIGNUM _bignum_nist_p_224_sqr = {
(BN_ULONG *)_nist_p_224_sqr,
sizeof(_nist_p_224_sqr)/sizeof(_nist_p_224_sqr[0]),
@@ -510,16 +511,18 @@ int BN_nist_mod_224(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
* to be compared to the modulus and conditionally
* adjusted by *subtracting* the latter. */
carry = (int)bn_add_words(r_d,r_d,_nist_p_224[-carry-1],BN_NIST_224_TOP);
- mask = 0-(size_t)carry;
- u.p = ((size_t)bn_sub_words&mask) | ((size_t)bn_add_words&~mask);
+ mask = 0-(PTR_SIZE_INT)carry;
+ u.p = ((PTR_SIZE_INT)bn_sub_words&mask) |
+ ((PTR_SIZE_INT)bn_add_words&~mask);
}
else
carry = 1;
/* otherwise it's effectively same as in BN_nist_mod_192... */
- mask = 0-(size_t)(*u.f)(c_d,r_d,_nist_p_224[0],BN_NIST_224_TOP);
- mask &= 0-(size_t)carry;
- res = (BN_ULONG *)(((size_t)c_d&~mask) | ((size_t)r_d&mask));
+ mask = 0-(PTR_SIZE_INT)(*u.f)(c_d,r_d,_nist_p_224[0],BN_NIST_224_TOP);
+ mask &= 0-(PTR_SIZE_INT)carry;
+ res = (BN_ULONG *)(((PTR_SIZE_INT)c_d&~mask) |
+ ((PTR_SIZE_INT)r_d&mask));
nist_cp_bn(r_d, res, BN_NIST_224_TOP);
r->top = BN_NIST_224_TOP;
bn_correct_top(r);
@@ -549,8 +552,8 @@ int BN_nist_mod_256(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
buf[BN_NIST_256_TOP],
c_d[BN_NIST_256_TOP],
*res;
- size_t mask;
- union { bn_addsub_f f; size_t p; } u;
+ PTR_SIZE_INT mask;
+ union { bn_addsub_f f; PTR_SIZE_INT p; } u;
static const BIGNUM _bignum_nist_p_256_sqr = {
(BN_ULONG *)_nist_p_256_sqr,
sizeof(_nist_p_256_sqr)/sizeof(_nist_p_256_sqr[0]),
@@ -629,15 +632,17 @@ int BN_nist_mod_256(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
else if (carry < 0)
{
carry = (int)bn_add_words(r_d,r_d,_nist_p_256[-carry-1],BN_NIST_256_TOP);
- mask = 0-(size_t)carry;
- u.p = ((size_t)bn_sub_words&mask) | ((size_t)bn_add_words&~mask);
+ mask = 0-(PTR_SIZE_INT)carry;
+ u.p = ((PTR_SIZE_INT)bn_sub_words&mask) |
+ ((PTR_SIZE_INT)bn_add_words&~mask);
}
else
carry = 1;
- mask = 0-(size_t)(*u.f)(c_d,r_d,_nist_p_256[0],BN_NIST_256_TOP);
- mask &= 0-(size_t)carry;
- res = (BN_ULONG *)(((size_t)c_d&~mask) | ((size_t)r_d&mask));
+ mask = 0-(PTR_SIZE_INT)(*u.f)(c_d,r_d,_nist_p_256[0],BN_NIST_256_TOP);
+ mask &= 0-(PTR_SIZE_INT)carry;
+ res = (BN_ULONG *)(((PTR_SIZE_INT)c_d&~mask) |
+ ((PTR_SIZE_INT)r_d&mask));
nist_cp_bn(r_d, res, BN_NIST_256_TOP);
r->top = BN_NIST_256_TOP;
bn_correct_top(r);
@@ -671,8 +676,8 @@ int BN_nist_mod_384(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
buf[BN_NIST_384_TOP],
c_d[BN_NIST_384_TOP],
*res;
- size_t mask;
- union { bn_addsub_f f; size_t p; } u;
+ PTR_SIZE_INT mask;
+ union { bn_addsub_f f; PTR_SIZE_INT p; } u;
static const BIGNUM _bignum_nist_p_384_sqr = {
(BN_ULONG *)_nist_p_384_sqr,
sizeof(_nist_p_384_sqr)/sizeof(_nist_p_384_sqr[0]),
@@ -754,15 +759,17 @@ int BN_nist_mod_384(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
else if (carry < 0)
{
carry = (int)bn_add_words(r_d,r_d,_nist_p_384[-carry-1],BN_NIST_384_TOP);
- mask = 0-(size_t)carry;
- u.p = ((size_t)bn_sub_words&mask) | ((size_t)bn_add_words&~mask);
+ mask = 0-(PTR_SIZE_INT)carry;
+ u.p = ((PTR_SIZE_INT)bn_sub_words&mask) |
+ ((PTR_SIZE_INT)bn_add_words&~mask);
}
else
carry = 1;
- mask = 0-(size_t)(*u.f)(c_d,r_d,_nist_p_384[0],BN_NIST_384_TOP);
- mask &= 0-(size_t)carry;
- res = (BN_ULONG *)(((size_t)c_d&~mask) | ((size_t)r_d&mask));
+ mask = 0-(PTR_SIZE_INT)(*u.f)(c_d,r_d,_nist_p_384[0],BN_NIST_384_TOP);
+ mask &= 0-(PTR_SIZE_INT)carry;
+ res = (BN_ULONG *)(((PTR_SIZE_INT)c_d&~mask) |
+ ((PTR_SIZE_INT)r_d&mask));
nist_cp_bn(r_d, res, BN_NIST_384_TOP);
r->top = BN_NIST_384_TOP;
bn_correct_top(r);
@@ -781,7 +788,7 @@ int BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
BN_ULONG *r_d, *a_d = a->d,
t_d[BN_NIST_521_TOP],
val,tmp,*res;
- size_t mask;
+ PTR_SIZE_INT mask;
static const BIGNUM _bignum_nist_p_521_sqr = {
(BN_ULONG *)_nist_p_521_sqr,
sizeof(_nist_p_521_sqr)/sizeof(_nist_p_521_sqr[0]),
@@ -826,8 +833,9 @@ int BN_nist_mod_521(BIGNUM *r, const BIGNUM *a, const BIGNUM *field,
r_d[i] &= BN_NIST_521_TOP_MASK;
bn_add_words(r_d,r_d,t_d,BN_NIST_521_TOP);
- mask = 0-(size_t)bn_sub_words(t_d,r_d,_nist_p_521,BN_NIST_521_TOP);
- res = (BN_ULONG *)(((size_t)t_d&~mask) | ((size_t)r_d&mask));
+ mask = 0-(PTR_SIZE_INT)bn_sub_words(t_d,r_d,_nist_p_521,BN_NIST_521_TOP);
+ res = (BN_ULONG *)(((PTR_SIZE_INT)t_d&~mask) |
+ ((PTR_SIZE_INT)r_d&mask));
nist_cp_bn(r_d,res,BN_NIST_521_TOP);
r->top = BN_NIST_521_TOP;
bn_correct_top(r);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 16:37:52 +0000