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check for pubkey in X25519Keys::Agree

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Signed-off-by: R4SAS <r4sas@i2pmail.org>
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R4SAS 2021-02-26 03:20:06 +03:00
parent d13f58088a
commit 4371a084ec
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1 changed files with 1 additions and 1 deletions
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libi2pd/Crypto.cpp
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@ -353,7 +353,7 @@ namespace crypto
bool X25519Keys::Agree (const uint8_t * pub, uint8_t * shared)
{
if (pub[31] & 0x80) return false; // not x25519 key
if (!pub || (pub[31] & 0x80)) return false; // not x25519 key
#if OPENSSL_X25519
EVP_PKEY_derive_init (m_Ctx);
auto pkey = EVP_PKEY_new_raw_public_key (EVP_PKEY_X25519, NULL, pub, 32);