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Switch FastRandomContext to ChaCha20

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This commit is contained in:
Pieter Wuille
2017-02-15 17:45:22 -08:00
parent e04326fe66
commit 16329224e7
10 changed files with 126 additions and 43 deletions
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8
src/addrman.cpp
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@@ -351,8 +351,8 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
int nKBucket = RandomInt(ADDRMAN_TRIED_BUCKET_COUNT);
int nKBucketPos = RandomInt(ADDRMAN_BUCKET_SIZE);
while (vvTried[nKBucket][nKBucketPos] == -1) {
nKBucket = (nKBucket + insecure_rand.rand32()) % ADDRMAN_TRIED_BUCKET_COUNT;
nKBucketPos = (nKBucketPos + insecure_rand.rand32()) % ADDRMAN_BUCKET_SIZE;
nKBucket = (nKBucket + insecure_rand.randbits(ADDRMAN_TRIED_BUCKET_COUNT_LOG2)) % ADDRMAN_TRIED_BUCKET_COUNT;
nKBucketPos = (nKBucketPos + insecure_rand.randbits(ADDRMAN_BUCKET_SIZE_LOG2)) % ADDRMAN_BUCKET_SIZE;
}
int nId = vvTried[nKBucket][nKBucketPos];
assert(mapInfo.count(nId) == 1);
@@ -368,8 +368,8 @@ CAddrInfo CAddrMan::Select_(bool newOnly)
int nUBucket = RandomInt(ADDRMAN_NEW_BUCKET_COUNT);
int nUBucketPos = RandomInt(ADDRMAN_BUCKET_SIZE);
while (vvNew[nUBucket][nUBucketPos] == -1) {
nUBucket = (nUBucket + insecure_rand.rand32()) % ADDRMAN_NEW_BUCKET_COUNT;
nUBucketPos = (nUBucketPos + insecure_rand.rand32()) % ADDRMAN_BUCKET_SIZE;
nUBucket = (nUBucket + insecure_rand.randbits(ADDRMAN_NEW_BUCKET_COUNT_LOG2)) % ADDRMAN_NEW_BUCKET_COUNT;
nUBucketPos = (nUBucketPos + insecure_rand.randbits(ADDRMAN_BUCKET_SIZE_LOG2)) % ADDRMAN_BUCKET_SIZE;
}
int nId = vvNew[nUBucket][nUBucketPos];
assert(mapInfo.count(nId) == 1);