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Sigh. Another thinko.

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Adam Ierymenko 2017-03-10 17:54:14 -08:00
parent ecacdf27a9
commit 47166c9614
1 changed files with 3 additions and 4 deletions
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7
node/Packet.cpp
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@ -2025,13 +2025,12 @@ bool Packet::dearmor(const void *key)
void Packet::cryptField(const void *key,unsigned int start,unsigned int len) void Packet::cryptField(const void *key,unsigned int start,unsigned int len)
{ {
const uint8_t *const data = reinterpret_cast<const uint8_t *>(unsafeData()); uint8_t *const data = reinterpret_cast<uint8_t *>(unsafeData());
uint8_t iv[8]; uint8_t iv[8];
for(int i=0;i<8;++i) iv[i] = data[i]; for(int i=0;i<8;++i) iv[i] = data[i];
iv[7] &= 0xf8; // mask off least significant 3 bits of packet ID / IV since this is unset when this function gets called iv[7] &= 0xf8; // mask off least significant 3 bits of packet ID / IV since this is unset when this function gets called
Salsa20 s20(key,256,data); Salsa20 s20(key,256,iv);
unsigned char *const ptr = field(start,len); s20.crypt12(data + start,data + start,len);
s20.crypt12(ptr,ptr,len);
} }
bool Packet::compress() bool Packet::compress()