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wine-winehq
Commit ea2fabca authored by Kees Cook's avatar Kees Cook Committed by Alexandre Julliard
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Avoid segfault when detecting decryption buffer size.

parent dc920056
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dlls/rsaenh/rsaenh.c
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...@@ -1834,7 +1834,7 @@ BOOL WINAPI RSAENH_CPEncrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, ...@@ -1834,7 +1834,7 @@ BOOL WINAPI RSAENH_CPEncrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash,
} }
dwEncryptedLen = (*pdwDataLen/pCryptKey->dwBlockLen+(Final?1:0))*pCryptKey->dwBlockLen; dwEncryptedLen = (*pdwDataLen/pCryptKey->dwBlockLen+(Final?1:0))*pCryptKey->dwBlockLen;
for (i=*pdwDataLen; i<dwEncryptedLen; i++) pbData[i] = dwEncryptedLen - *pdwDataLen; for (i=*pdwDataLen; i<dwEncryptedLen && i<dwBufLen; i++) pbData[i] = dwEncryptedLen - *pdwDataLen;
*pdwDataLen = dwEncryptedLen; *pdwDataLen = dwEncryptedLen;
if (*pdwDataLen > dwBufLen) if (*pdwDataLen > dwBufLen)
......
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