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encryption keys priority

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orignal 2019-01-30 14:10:40 -05:00
parent 08ddc98303
commit d848ae332a
1 changed files with 9 additions and 2 deletions
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11
libi2pd/LeaseSet.cpp
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@ -344,6 +344,7 @@ namespace data
offset += propertiesLen; // skip for now. TODO: implement properties
if (offset + 1 >= len) return 0;
// key sections
uint16_t currentKeyType = 0;
int numKeySections = buf[offset]; offset++;
for (int i = 0; i < numKeySections; i++)
{
@ -351,10 +352,16 @@ namespace data
if (offset + 2 >= len) return 0;
uint16_t encryptionKeyLen = bufbe16toh (buf + offset); offset += 2;
if (offset + encryptionKeyLen >= len) return 0;
if (!m_Encryptor && IsStoreLeases ()) // create encryptor with leases only, first key
if (IsStoreLeases ()) // create encryptor with leases only
{
// we pick first valid key, higher key type has higher priority 4-1-0
// if two keys with of the same type, pick first
auto encryptor = i2p::data::IdentityEx::CreateEncryptor (keyType, buf + offset);
m_Encryptor = encryptor; // TODO: atomic
if (encryptor && (!m_Encryptor || keyType > currentKeyType))
{
m_Encryptor = encryptor; // TODO: atomic
currentKeyType = keyType;
}
}
offset += encryptionKeyLen;
}