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fixed memcpy overlap (reported by AddressSanitizer) (#80)

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* removed unneeded memcpy
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Mariotaku 2023-07-08 15:09:45 +09:00 • committed by GitHub
commit 659202c3e5
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src/PlatformCrypto.c
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@ -89,7 +89,6 @@ bool PltEncryptMessage(PPLT_CRYPTO_CONTEXT ctx, int algorithm, int flags,
size_t encryptedLength = 0; size_t encryptedLength = 0;
unsigned char * encryptedData = tag; unsigned char * encryptedData = tag;
size_t encryptedCapacity = outLength + tagLength; size_t encryptedCapacity = outLength + tagLength;
memcpy(encryptedData + inputDataLength, tag, tagLength);
if (mbedtls_cipher_auth_encrypt_ext(&ctx->ctx, iv, ivLength, NULL, 0, inputData, inputDataLength, encryptedData, if (mbedtls_cipher_auth_encrypt_ext(&ctx->ctx, iv, ivLength, NULL, 0, inputData, inputDataLength, encryptedData,
encryptedCapacity, &encryptedLength, tagLength) != 0) { encryptedCapacity, &encryptedLength, tagLength) != 0) {
return false; return false;