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Improve AES-CBC code in preparation for audio encryption

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This commit is contained in:
Cameron Gutman 2021-04-21 23:59:14 -05:00
commit 625ec431eb
4 changed files with 56 additions and 36 deletions
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4
src/ControlStream.c
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@ -426,7 +426,7 @@ static bool encryptControlMessage(PNVCTL_ENCRYPTED_PACKET_HEADER encPacket, PNVC
memset(iv, 0, sizeof(iv));
iv[0] = (unsigned char)encPacket->seq;
return PltEncryptMessage(encryptionCtx, ALGORITHM_AES_GCM,
return PltEncryptMessage(encryptionCtx, ALGORITHM_AES_GCM, 0,
(unsigned char*)StreamConfig.remoteInputAesKey, sizeof(StreamConfig.remoteInputAesKey),
iv, sizeof(iv),
(unsigned char*)(encPacket + 1), AES_GCM_TAG_LENGTH, // Write tag into the space after the encrypted header
@ -459,7 +459,7 @@ static bool decryptControlMessageToV1(PNVCTL_ENCRYPTED_PACKET_HEADER encPacket,
return false;
}
if (!PltDecryptMessage(decryptionCtx, ALGORITHM_AES_GCM,
if (!PltDecryptMessage(decryptionCtx, ALGORITHM_AES_GCM, 0,
(unsigned char*)StreamConfig.remoteInputAesKey, sizeof(StreamConfig.remoteInputAesKey),
iv, sizeof(iv),
(unsigned char*)(encPacket + 1), AES_GCM_TAG_LENGTH, // The tag is located right after the header