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enable compressible padding

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orignal 2022-12-12 18:36:29 -05:00
parent f6ca7c19af
commit a902d68669
1 changed files with 8 additions and 17 deletions
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25
libi2pd/Identity.cpp
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@ -49,29 +49,21 @@ namespace data
IdentityEx::IdentityEx(const uint8_t * publicKey, const uint8_t * signingKey, SigningKeyType type, CryptoKeyType cryptoType)
{
/*uint8_t randomPaddingBlock[32];
RAND_bytes (randomPaddingBlock, 32);*/
uint8_t randomPaddingBlock[32];
RAND_bytes (randomPaddingBlock, 32);
if (cryptoType == CRYPTO_KEY_TYPE_ECIES_X25519_AEAD)
{
/*memcpy (m_StandardIdentity.publicKey, publicKey ? publicKey : randomPaddingBlock, 32);
memcpy (m_StandardIdentity.publicKey, publicKey ? publicKey : randomPaddingBlock, 32);
for (int i = 0; i < 7; i++) // 224 bytes
memcpy (m_StandardIdentity.publicKey + 32*(i + 1), randomPaddingBlock, 32);*/
if (publicKey)
{
memcpy (m_StandardIdentity.publicKey, publicKey, 32);
RAND_bytes (m_StandardIdentity.publicKey + 32, 224);
}
else
RAND_bytes (m_StandardIdentity.publicKey, 256);
memcpy (m_StandardIdentity.publicKey + 32*(i + 1), randomPaddingBlock, 32);
}
else
{
if (publicKey)
memcpy (m_StandardIdentity.publicKey, publicKey, 256);
else
RAND_bytes (m_StandardIdentity.publicKey, 256);
/*for (int i = 0; i < 8; i++) // 256 bytes
memcpy (m_StandardIdentity.publicKey + 32*i, randomPaddingBlock, 32);*/
for (int i = 0; i < 8; i++) // 256 bytes
memcpy (m_StandardIdentity.publicKey + 32*i, randomPaddingBlock, 32);
}
if (type != SIGNING_KEY_TYPE_DSA_SHA1)
{
@ -110,9 +102,8 @@ namespace data
case SIGNING_KEY_TYPE_REDDSA_SHA512_ED25519:
{
size_t padding = 128 - i2p::crypto::EDDSA25519_PUBLIC_KEY_LENGTH; // 96 = 128 - 32
/*for (int i = 0; i < 3; i++) // 96 bytes
memcpy (m_StandardIdentity.signingKey + 32*i, randomPaddingBlock, 32);*/
RAND_bytes (m_StandardIdentity.signingKey, 96);
for (int i = 0; i < 3; i++) // 96 bytes
memcpy (m_StandardIdentity.signingKey + 32*i, randomPaddingBlock, 32);
memcpy (m_StandardIdentity.signingKey + padding, signingKey, i2p::crypto::EDDSA25519_PUBLIC_KEY_LENGTH);
break;
}