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Clear unary minus on unsigned warning under MSVC

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This commit is contained in:
Jeffrey Walton 2018-01-19 20:09:02 -05:00
parent e4e1fbe0ed
commit 600fa4d107
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
2 changed files with 20 additions and 16 deletions
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32
TestScripts/tweetnacl.patch
View File

@ -1,5 +1,5 @@
--- tweetnacl.c 2018-01-19 18:25:34.736456382 -0500
+++ tweetnacl.cpp 2018-01-19 18:25:34.738456422 -0500
--- tweetnacl.c 2018-01-19 20:07:33.246037873 -0500
+++ tweetnacl.cpp 2018-01-19 20:07:33.247037893 -0500
@@ -1,19 +1,33 @@
-#include "tweetnacl.h"
-#define FOR(i,n) for (i = 0;i < n;++i)
@ -25,7 +25,7 @@
+
+// Don't destroy const time properties when squashing warnings.
+#if CRYPTOPP_MSC_VERSION
+# pragma warning(disable: 4242 4244 4245)
+# pragma warning(disable: 4146 4242 4244 4245)
+#endif
+
+#ifndef CRYPTOPP_DISABLE_NACL
@ -649,22 +649,29 @@
+}
+
+int crypto_box_unchecked(uint8_t *c, const uint8_t *m, uint64_t d, const uint8_t *n, const uint8_t *y, const uint8_t *x)
+{
+ uint8_t k[32];
+ crypto_box_beforenm_unchecked(k, y, x);
+ return crypto_box_afternm(c, m, d, n, k);
+}
+
+int crypto_box_open(uint8_t *m,const uint8_t *c,uint64_t d,const uint8_t *n,const uint8_t *y,const uint8_t *x)
{
- u8 k[32];
- crypto_box_beforenm(k,y,x);
- return crypto_box_afternm(c,m,d,n,k);
+ uint8_t k[32];
+ crypto_box_beforenm_unchecked(k, y, x);
+ return crypto_box_afternm(c, m, d, n, k);
+ if(crypto_box_beforenm(k,y,x) != 0) return -1;
+ return crypto_box_open_afternm(m,c,d,n,k);
}
-int crypto_box_open(u8 *m,const u8 *c,u64 d,const u8 *n,const u8 *y,const u8 *x)
+int crypto_box_open(uint8_t *m,const uint8_t *c,uint64_t d,const uint8_t *n,const uint8_t *y,const uint8_t *x)
+int crypto_box_open_unchecked(uint8_t *m,const uint8_t *c,uint64_t d,const uint8_t *n,const uint8_t *y,const uint8_t *x)
{
- u8 k[32];
- crypto_box_beforenm(k,y,x);
+ uint8_t k[32];
+ if(crypto_box_beforenm(k,y,x) != 0) return -1;
+ crypto_box_beforenm_unchecked(k,y,x);
return crypto_box_open_afternm(m,c,d,n,k);
}
@ -698,13 +705,6 @@
- 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
- 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL,
- 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL
+int crypto_box_open_unchecked(uint8_t *m,const uint8_t *c,uint64_t d,const uint8_t *n,const uint8_t *y,const uint8_t *x)
+{
+ uint8_t k[32];
+ crypto_box_beforenm_unchecked(k,y,x);
+ return crypto_box_open_afternm(m,c,d,n,k);
+}
+
+static uint64_t R(uint64_t x,int c) { return (x >> c) | (x << (64 - c)); }
+static uint64_t Ch(uint64_t x,uint64_t y,uint64_t z) { return (x & y) ^ (~x & z); }
+static uint64_t Maj(uint64_t x,uint64_t y,uint64_t z) { return (x & y) ^ (x & z) ^ (y & z); }
@ -1009,7 +1009,7 @@
crypto_hash(h,m,n);
reduce(h);
scalarmult(p,q,h);
@@ -799,11 +882,16 @@
@@ -799,11 +882,18 @@
n -= 64;
if (crypto_verify_32(sm, t)) {
@ -1028,3 +1028,5 @@
+NAMESPACE_END // NaCl
+
+#endif // NO_OS_DEPENDENCE
+
+

4
tweetnacl.cpp
View File

@ -12,7 +12,7 @@
// Don't destroy const time properties when squashing warnings.
#if CRYPTOPP_MSC_VERSION
# pragma warning(disable: 4242 4244 4245)
# pragma warning(disable: 4146 4242 4244 4245)
#endif
#ifndef CRYPTOPP_DISABLE_NACL
@ -895,3 +895,5 @@ NAMESPACE_END // CryptoPP
NAMESPACE_END // NaCl
#endif // NO_OS_DEPENDENCE