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Fix obsolete comments. Add new comments. Fix non-standard spacing.

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FossilOrigin-Name: a0d224c6a69941dad1f2b35edcc7ddee343b99eae2aeed74043461f3e97ef5b4
This commit is contained in:
drh 2022-08-16 16:57:33 +00:00
parent 534945ad07
commit cd05aafa56
3 changed files with 16 additions and 19 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Fix\san\soff-by-one\serror\sin\sthe\sChaCha20\sinitialization\scode.
D 2022-08-16T16:40:54.599
C Fix\sobsolete\scomments.\s\sAdd\snew\scomments.\s\sFix\snon-standard\sspacing.
D 2022-08-16T16:57:33.367
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -585,7 +585,7 @@ F src/pragma.c 6637d624c37a8909d3edfa9d7cf694d79b49d2a0827d8c52ef15dceb641783fa
F src/pragma.h e690a356c18e98414d2e870ea791c1be1545a714ba623719deb63f7f226d8bb7
F src/prepare.c c62820c15dcb63013519c8e41d9f928d7478672cc902cfd0581c733c271dbf45
F src/printf.c e99ee9741e79ae3873458146f59644276657340385ade4e76a5f5d1c25793764
F src/random.c af089dd588a3cbf85df14f9711c347f70050fcb73bc003376c8491065f6c317b
F src/random.c 546d6feb15ec69c1aafe9bb351a277cbb498fd5410e646add673acb805714960
F src/resolve.c efea4e5fbecfd6d0a9071b0be0d952620991673391b6ffaaf4c277b0bb674633
F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
F src/select.c 4750fbe9d8ecb7236baf7a9bea4299bb87126e08c209645666a0ae8f0efbe0fc
@ -1999,8 +1999,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P d9e8c65ed25c4f6222c737f4244d5362dbe433d357f7d133765157446cf4e925
R 6547827ce11f2be716204766ff5dff1b
P 72e220eed446ea9a02a6ef03e09a01bcb8bbca1f3b32d2e0bf52a17d9722e2f0
R cdb53b59d0af11c8f66b0b5bb02ede98
U drh
Z 947a70a0b2c6f8310490779060824f95
Z 1158c2a25804bd20ee35e9fb8e722661
# Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
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@ -1 +1 @@
72e220eed446ea9a02a6ef03e09a01bcb8bbca1f3b32d2e0bf52a17d9722e2f0
a0d224c6a69941dad1f2b35edcc7ddee343b99eae2aeed74043461f3e97ef5b4

21
src/random.c
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@ -27,12 +27,15 @@ static SQLITE_WSD struct sqlite3PrngType {
u8 n; /* Output bytes remaining */
} sqlite3Prng;
/* The RFC-7539 ChaCha20 block function
*/
#define ROTL(a,b) (((a) << (b)) | ((a) >> (32 - (b))))
#define QR(a, b, c, d) ( \
a += b, d ^= a, d = ROTL(d,16), \
c += d, b ^= c, b = ROTL(b,12), \
a += b, d ^= a, d = ROTL(d, 8), \
c += d, b ^= c, b = ROTL(b, 7))
#define QR(a, b, c, d) ( \
a += b, d ^= a, d = ROTL(d,16), \
c += d, b ^= c, b = ROTL(b,12), \
a += b, d ^= a, d = ROTL(d, 8), \
c += d, b ^= c, b = ROTL(b, 7))
static void chacha_block(u32 *out, const u32 *in){
int i;
u32 x[16];
@ -89,13 +92,7 @@ void sqlite3_randomness(int N, void *pBuf){
}
/* Initialize the state of the random number generator once,
** the first time this routine is called. The seed value does
** not need to contain a lot of randomness since we are not
** trying to do secure encryption or anything like that...
**
** Nothing in this file or anywhere else in SQLite does any kind of
** encryption. The RC4 algorithm is being used as a PRNG (pseudo-random
** number generator) not as an encryption device.
** the first time this routine is called.
*/
if( wsdPrng.s[0]==0 ){
sqlite3_vfs *pVfs = sqlite3_vfs_find(0);