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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| #pragma once | ||
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| #include "crypto.h" | ||
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| BOOL crypto_hash(ALG_ID algid, LPCVOID data, DWORD dataLen, LPVOID hash, DWORD hashWanted) | ||
| { | ||
| BOOL status = FALSE; | ||
| HCRYPTPROV hProv; | ||
| HCRYPTHASH hHash; | ||
| DWORD hashLen; | ||
| PBYTE buffer; | ||
| PKERB_CHECKSUM pCheckSum; | ||
| PVOID Context; | ||
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| if (algid == CALG_CRC32) | ||
| { | ||
| if ((hashWanted == sizeof(DWORD)) && NT_SUCCESS(CDLocateCheckSum(KERB_CHECKSUM_REAL_CRC32, &pCheckSum))) | ||
| { | ||
| if (NT_SUCCESS(pCheckSum->Initialize(0, &Context))) | ||
| { | ||
| pCheckSum->Sum(Context, dataLen, data); | ||
| status = NT_SUCCESS(pCheckSum->Finalize(Context, hash)); | ||
| pCheckSum->Finish(&Context); | ||
| } | ||
| } | ||
| } | ||
| else if (CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_AES, CRYPT_VERIFYCONTEXT)) | ||
| { | ||
| if (CryptCreateHash(hProv, algid, 0, 0, &hHash)) | ||
| { | ||
| if (CryptHashData(hHash, (LPCBYTE)data, dataLen, 0)) | ||
| { | ||
| if (CryptGetHashParam(hHash, HP_HASHVAL, NULL, &hashLen, 0)) | ||
| { | ||
| if (buffer = (PBYTE)LocalAlloc(LPTR, hashLen)) | ||
| { | ||
| status = CryptGetHashParam(hHash, HP_HASHVAL, buffer, &hashLen, 0); | ||
| RtlCopyMemory(hash, buffer, min(hashLen, hashWanted)); | ||
| LocalFree(buffer); | ||
| } | ||
| } | ||
| } | ||
| CryptDestroyHash(hHash); | ||
| } | ||
| CryptReleaseContext(hProv, 0); | ||
| } | ||
| return status; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| #pragma once | ||
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| #include "globals.h" | ||
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| #define CALG_CRC32 (ALG_CLASS_HASH | ALG_TYPE_ANY | 0) | ||
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| #define MD5_DIGEST_LENGTH 16 | ||
| #define LM_NTLM_HASH_LENGTH 16 | ||
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| #define RtlDecryptDES2blocks1DWORD SystemFunction025 | ||
| #define RtlEncryptDecryptRC4 SystemFunction032 | ||
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| typedef NTSTATUS(WINAPI* PKERB_CHECKSUM_INITIALIZE) (DWORD unk0, PVOID* pContext); | ||
| typedef NTSTATUS(WINAPI* PKERB_CHECKSUM_SUM) (PVOID pContext, DWORD Size, LPCVOID Buffer); | ||
| typedef NTSTATUS(WINAPI* PKERB_CHECKSUM_FINALIZE) (PVOID pContext, PVOID Buffer); | ||
| typedef NTSTATUS(WINAPI* PKERB_CHECKSUM_FINISH) (PVOID* pContext); | ||
| typedef NTSTATUS(WINAPI* PKERB_CHECKSUM_INITIALIZEEX) (LPCVOID Key, DWORD KeySize, DWORD KeyUsage, PVOID* pContext); | ||
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| typedef struct _MD5_CTX { | ||
| DWORD count[2]; | ||
| DWORD state[4]; | ||
| BYTE buffer[64]; | ||
| BYTE digest[MD5_DIGEST_LENGTH]; | ||
| } MD5_CTX, * PMD5_CTX; | ||
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| typedef struct _CRYPTO_BUFFER { | ||
| DWORD Length; | ||
| DWORD MaximumLength; | ||
| PBYTE Buffer; | ||
| } CRYPTO_BUFFER, * PCRYPTO_BUFFER; | ||
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| typedef struct _KERB_CHECKSUM { | ||
| LONG Type; | ||
| DWORD Size; | ||
| DWORD Flag; | ||
| PKERB_CHECKSUM_INITIALIZE Initialize; | ||
| PKERB_CHECKSUM_SUM Sum; | ||
| PKERB_CHECKSUM_FINALIZE Finalize; | ||
| PKERB_CHECKSUM_FINISH Finish; | ||
| PKERB_CHECKSUM_INITIALIZEEX InitializeEx; | ||
| PVOID unk0_null; | ||
| } KERB_CHECKSUM, * PKERB_CHECKSUM; | ||
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| extern VOID WINAPI MD5Init(PMD5_CTX pCtx); | ||
| extern VOID WINAPI MD5Update(PMD5_CTX pCtx, LPCVOID data, DWORD cbData); | ||
| extern VOID WINAPI MD5Final(PMD5_CTX pCtx); | ||
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| BOOL crypto_hash(ALG_ID algid, LPCVOID data, DWORD dataLen, LPVOID hash, DWORD hashWanted); |
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