/*
* Add MPPE attributes to a request, if required.
*/
void
otp_mppe(REQUEST *request, otp_pwe_t pwe, const otp_option_t *opt,
const char *passcode)
{
VALUE_PAIR **avp = &request->reply->vps;
VALUE_PAIR *cvp, *rvp, *vp;
cvp = pairfind(request->packet->vps, pwattr[pwe - 1]);
rvp = pairfind(request->packet->vps, pwattr[pwe]);
switch (pwe) {
case PWE_PAP:
case PWE_CHAP:
return;
case PWE_MSCHAP:
/* First, set some related attributes. */
vp = pairmake("MS-MPPE-Encryption-Policy",
otp_mppe_policy[opt->mschap_mppe_policy], T_OP_EQ);
rad_assert(vp != NULL);
pairadd(avp, vp);
vp = pairmake("MS-MPPE-Encryption-Types",
otp_mppe_types[opt->mschap_mppe_types], T_OP_EQ);
rad_assert(vp != NULL);
pairadd(avp, vp);
/* If no MPPE, we're done. */
if (!opt->mschap_mppe_policy)
return;
/*
* Generate the MS-CHAP-MPPE-Keys attribute. This is not specified
* anywhere -- RFC 2548, par. 2.4.1 is the authority but it has
* typos and omissions that make this unimplementable. The
* code here is based on experimental results provided by
* Takahiro Wagatsuma <*****@*****.**>.
* We only support 128-bit keys derived from the NT hash; 40-bit
* and 56-bit keys are derived from the LM hash, which besides
* being deprecated, has severe security problems.
*/
{
size_t i, passcode_len;
unsigned char password_unicode[2 * OTP_MAX_PASSCODE_LEN];
unsigned char password_md[MD4_DIGEST_LENGTH];
unsigned char mppe_keys[32];
/* 0x ASCII(mppe_keys) '\0' */
char mppe_keys_string[2 + (2 * sizeof(mppe_keys)) + 1];
/* Zero the LM-Key sub-field (and padding). */
(void) memset(mppe_keys, 0, sizeof(mppe_keys));
/*
* The NT-Key sub-field is MD4(MD4(unicode(password))).
* Start by hashing the unicode passcode.
* This is broken because unicode chars are machine-ordered,
* but the spec (RFC 2433) doesn't say how to prepare
* the password for md4 (other than by example values).
*/
passcode_len = strlen(passcode);
for (i = 0; i < passcode_len; ++i) {
/* Set the high order 8 bits to 0 (little-endian) */
password_unicode[i * 2] = *passcode++;
password_unicode[i * 2 + 1] = 0;
}
/* first md4 */
(void) MD4(password_unicode, 2 * passcode_len, password_md);
/* second md4 */
(void) MD4(password_md, MD4_DIGEST_LENGTH, &mppe_keys[8]);
#if 0 /* encoding now handled in lib/radius.c:rad_pwencode() */
{
unsigned char md5_md[MD5_DIGEST_LENGTH];
unsigned char encode_buf[AUTH_VECTOR_LEN + MAX_STRING_LEN];
int secretlen;
/* Now we must encode the key as User-Password is encoded. */
secretlen = strlen(request->secret);
(void) memcpy(encode_buf, request->secret, secretlen);
(void) memcpy(encode_buf + secretlen, request->packet->vector,
AUTH_VECTOR_LEN);
(void) MD5(encode_buf, secretlen + AUTH_VECTOR_LEN, md5_md);
for (i = 0; i < 16; ++i)
mppe_keys[i] ^= md5_md[i];
(void) memcpy(encode_buf + secretlen, mppe_keys, MD5_DIGEST_LENGTH);
(void) MD5(encode_buf, secretlen + MD5_DIGEST_LENGTH, md5_md);
for (i = 0; i < 16; ++i)
mppe_keys[i + 16] ^= md5_md[i];
}
#endif /* 0 */
/* Whew. Now stringify it for pairmake(). */
mppe_keys_string[0] = '0';
mppe_keys_string[1] = 'x';
for (i = 0; i < 32; ++i)
(void) sprintf(&mppe_keys_string[i*2+2], "%02X", mppe_keys[i]);
vp = pairmake("MS-CHAP-MPPE-Keys", mppe_keys_string, T_OP_EQ);
rad_assert(vp != NULL);
pairadd(avp, vp);
} /* (doing mppe) */
break; /* PWE_MSCHAP */
case PWE_MSCHAP2:
{
size_t i;
unsigned char password_md_md[MD4_DIGEST_LENGTH];
/*
* MS-CHAPv2 requires mutual authentication; we must prove
* that we know the secret. This is a bit circuitous: set
* MD1 = SHA(MD4(MD4(unicode(password)))|NT_RESPONSE|MAGIC1),
* MD2 = MSB8(SHA(PEER_CHALLENGE|MS_CHAP_CHALLENGE|USERNAME)),
* and finally use SHA(MD1|MD2|MAGIC2) as the authenticator.
* The authenticator is returned as the string "S=<auth>",
* <auth> is the authenticator expressed as [uppercase] ASCII.
* See RFC 2759.
*/
{
size_t passcode_len;
unsigned char password_unicode[2 * OTP_MAX_PASSCODE_LEN];
unsigned char password_md[MD4_DIGEST_LENGTH];
SHA_CTX ctx;
unsigned char md1[SHA_DIGEST_LENGTH];
unsigned char md2[SHA_DIGEST_LENGTH];
unsigned char auth_md[SHA_DIGEST_LENGTH];
/* S= ( ASCII(auth_md) ) \0 */
char auth_md_string[2 + (2 * sizeof(auth_md)) + 1];
/*
* ugh. The ASCII authenticator (auth_md_string) is sent
* along with a single (useless) binary byte (the ID).
* So we must "stringify" it again (for pairmake()) since the
* binary byte requires the attribute to be of type "octets".
*/
/* 0x (ID) ( ASCII("S="ASCII(auth_md))) */
char auth_octet_string[2 + 2 + (2 * sizeof(auth_md_string))];
char *username = request->username->vp_strvalue;
int username_len = request->username->length;
/* "Magic server to client signing constant" */
unsigned char magic1[39] =
{ 0x4D, 0x61, 0x67, 0x69, 0x63, 0x20, 0x73, 0x65, 0x72, 0x76,
0x65, 0x72, 0x20, 0x74, 0x6F, 0x20, 0x63, 0x6C, 0x69, 0x65,
0x6E, 0x74, 0x20, 0x73, 0x69, 0x67, 0x6E, 0x69, 0x6E, 0x67,
0x20, 0x63, 0x6F, 0x6E, 0x73, 0x74, 0x61, 0x6E, 0x74 };
/* "Pad to make it do more than one iteration" */
unsigned char magic2[41] =
{ 0x50, 0x61, 0x64, 0x20, 0x74, 0x6F, 0x20, 0x6D, 0x61, 0x6B,
0x65, 0x20, 0x69, 0x74, 0x20, 0x64, 0x6F, 0x20, 0x6D, 0x6F,
0x72, 0x65, 0x20, 0x74, 0x68, 0x61, 0x6E, 0x20, 0x6F, 0x6E,
0x65, 0x20, 0x69, 0x74, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6F,
0x6E };
/*
* Start by hashing the unicode passcode.
* This is broken because unicode chars are machine-ordered,
* but the spec (RFC 2759) doesn't say how to prepare
* the password for md4 (other than by example values).
*/
passcode_len = strlen(passcode);
for (i = 0; i < passcode_len; ++i) {
/* Set the high order 8 bits to 0 (little-endian) */
password_unicode[i * 2] = *passcode++;
password_unicode[i * 2 + 1] = 0;
}
/* first md4 */
(void) MD4(password_unicode, 2 * passcode_len, password_md);
/* second md4 */
(void) MD4(password_md, MD4_DIGEST_LENGTH, password_md_md);
/* MD1 */
SHA1_Init(&ctx);
SHA1_Update(&ctx, password_md_md, MD4_DIGEST_LENGTH);
SHA1_Update(&ctx, rvp->vp_strvalue + 26, 24);
SHA1_Update(&ctx, magic1, sizeof(magic1));
SHA1_Final(md1, &ctx);
/* MD2 */
SHA1_Init(&ctx);
SHA1_Update(&ctx, rvp->vp_strvalue + 2, 16);
SHA1_Update(&ctx, cvp->vp_strvalue, 16);
SHA1_Update(&ctx, username, username_len);
SHA1_Final(md2, &ctx);
/* The Authenticator */
SHA1_Init(&ctx);
SHA1_Update(&ctx, md1, SHA_DIGEST_LENGTH);
SHA1_Update(&ctx, md2, 8);
SHA1_Update(&ctx, magic2, sizeof(magic2));
SHA1_Final(auth_md, &ctx);
/* String conversion. */
auth_md_string[0] = 'S';
auth_md_string[1] = '=';
for (i = 0; i < sizeof(auth_md); ++i)
(void) sprintf(&auth_md_string[i * 2 + 2], "%02X", auth_md[i]);
/* And then octet conversion. Ugh! */
auth_octet_string[0] = '0';
auth_octet_string[1] = 'x';
(void) sprintf(&auth_octet_string[2], "%02X", rvp->vp_strvalue[0]);
for (i = 0; i < sizeof(auth_md_string) - 1; ++i)
(void) sprintf(&auth_octet_string[i * 2 +4], "%02X", auth_md_string[i]);
vp = pairmake("MS-CHAP2-Success", auth_octet_string, T_OP_EQ);
rad_assert(vp != NULL);
pairadd(avp, vp);
} /* Generate mutual auth info. */
/*
* Now, set some MPPE related attributes.
*/
vp = pairmake("MS-MPPE-Encryption-Policy",
otp_mppe_policy[opt->mschapv2_mppe_policy], T_OP_EQ);
rad_assert(vp != NULL);
pairadd(avp, vp);
vp = pairmake("MS-MPPE-Encryption-Types",
otp_mppe_types[opt->mschapv2_mppe_types], T_OP_EQ);
rad_assert(vp != NULL);
pairadd(avp, vp);
/* If no MPPE, we're done. */
if (!opt->mschapv2_mppe_policy)
return;
/*
* Generate the MPPE initial session key, per RFC 3079.
* (Although, RFC 2548 leaves us guessing at how to generate this.)
* For MS-CHAPv2 we support all key lengths (40-, 56- and 128-bit),
* although MPPE via RADIUS supports only 40- and 128-bit keys.
* This is a bit more complicated than MS-CHAP. Start by generating
* a "master session key"
* MSB16(SHA(NTPasswordHashHash|NT_RESPONSE|MAGIC1)), where
* NTPasswordHashHash is MD4(MD4(unicode(password))), NT_RESPONSE
* is from the MS-CHAP2-Response attribute, and MAGIC1 is a
* constant from RFC 3079. Then, we derive asymmetric send/receive
* keys from the master session key. The "master send key" is
* MSBx(SHA(MASTERKEY|SHSPAD1|MAGIC3|SHSPAD2)),
* and the "master receive key" is
* MSBx(SHA(MASTERKEY|SHSPAD1|MAGIC2|SHSPAD2)), where
* MASTERKEY is the "master session key" generated above, and the
* other values are constants from RFC 3079. MSBx is the x-most
* significant bytes, where x is 5, 7, or 16 as appropriate for
* the desired key length. We always generate 16 byte (128-bit)
* keys, the NAS is required to truncate as needed.
*/
{
/* These constants and key vars are named from RFC 3079. */
/* "This is the MPPE Master Key" */
unsigned char Magic1[27] =
{ 0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74,
0x68, 0x65, 0x20, 0x4d, 0x50, 0x50, 0x45, 0x20, 0x4d,
0x61, 0x73, 0x74, 0x65, 0x72, 0x20, 0x4b, 0x65, 0x79 };
/* "On the client side, this is the send key; "
"on the server side, it is the receive key." */
unsigned char Magic2[84] =
{ 0x4f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x69,
0x65, 0x6e, 0x74, 0x20, 0x73, 0x69, 0x64, 0x65, 0x2c, 0x20,
0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
0x65, 0x20, 0x73, 0x65, 0x6e, 0x64, 0x20, 0x6b, 0x65, 0x79,
0x3b, 0x20, 0x6f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x73,
0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x73, 0x69, 0x64, 0x65,
0x2c, 0x20, 0x69, 0x74, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
0x65, 0x20, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x20,
0x6b, 0x65, 0x79, 0x2e };
/* "On the client side, this is the receive key; "
"on the server side, it is the send key." */
unsigned char Magic3[84] =
{ 0x4f, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x69,
0x65, 0x6e, 0x74, 0x20, 0x73, 0x69, 0x64, 0x65, 0x2c, 0x20,
0x74, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20, 0x74, 0x68,
0x65, 0x20, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x20,
0x6b, 0x65, 0x79, 0x3b, 0x20, 0x6f, 0x6e, 0x20, 0x74, 0x68,
0x65, 0x20, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x73,
0x69, 0x64, 0x65, 0x2c, 0x20, 0x69, 0x74, 0x20, 0x69, 0x73,
0x20, 0x74, 0x68, 0x65, 0x20, 0x73, 0x65, 0x6e, 0x64, 0x20,
0x6b, 0x65, 0x79, 0x2e };
unsigned char SHSpad1[40] =
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
unsigned char SHSpad2[40] =
{ 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2,
0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2, 0xf2 };
unsigned char MasterKey[16];
unsigned char MasterSendKey[16];
unsigned char MasterReceiveKey[16];
SHA_CTX ctx;
unsigned char sha_md[SHA_DIGEST_LENGTH];
#if 0 /* salting/encoding now handled in lib/radius.c:tunnel_pwencode() */
unsigned char md5_md[MD5_DIGEST_LENGTH];
/* From RFC 2548: S R A */
unsigned char encode_buf[MAX_STRING_LEN + AUTH_VECTOR_LEN + 2];
int secretlen;
/* A useless value required by RFC 2548. */
unsigned char salt[2];
unsigned char mppe_key[32]; /* 1 + 16 + padding */
/* 0x ( ASCII(salt) ) */
unsigned char mppe_key_string[2 + (2 * sizeof(salt)) +
/* ( ASCII(mppe_key) ) \0 */
(2 * sizeof(mppe_key)) + 1];
#else /* 0 */
/* 0x ( ASCII(mppe_key) ) \0 */
unsigned char mppe_key_string[2 + (2 * sizeof(MasterKey)) + 1];
#endif /* else !0 */
/* Generate the master session key. */
SHA1_Init(&ctx);
SHA1_Update(&ctx, password_md_md, MD4_DIGEST_LENGTH);
SHA1_Update(&ctx, rvp->vp_strvalue + 26, 24);
SHA1_Update(&ctx, Magic1, sizeof(Magic1));
SHA1_Final(sha_md, &ctx);
(void) memcpy(MasterKey, sha_md, 16);
/* Generate the master send key. */
SHA1_Init(&ctx);
SHA1_Update(&ctx, MasterKey, 16);
SHA1_Update(&ctx, SHSpad1, 40);
SHA1_Update(&ctx, Magic3, sizeof(Magic3));
SHA1_Update(&ctx, SHSpad2, 40);
SHA1_Final(sha_md, &ctx);
(void) memcpy(MasterSendKey, sha_md, 16);
/* Generate the master receive key. */
SHA1_Init(&ctx);
SHA1_Update(&ctx, MasterKey, 16);
SHA1_Update(&ctx, SHSpad1, 40);
SHA1_Update(&ctx, Magic2, sizeof(Magic3));
SHA1_Update(&ctx, SHSpad2, 40);
SHA1_Final(sha_md, &ctx);
(void) memcpy(MasterReceiveKey, sha_md, 16);
/*
* Now, generate the MS-MPPE-Send-Key attribute.
*/
#if 0
/* Setup the salt value. */
salt[0] = 0x80;
salt[1] = 0x01;
/* Encode the key. */
(void) memset(mppe_key, 0, sizeof(mppe_key));
mppe_key[0] = 16; /* length */
(void) memcpy(&mppe_key[1], MasterSendKey, 16);
secretlen = strlen(request->secret);
(void) memcpy(encode_buf, request->secret, secretlen);
(void) memcpy(encode_buf + secretlen, request->packet->vector,
AUTH_VECTOR_LEN);
(void) memcpy(encode_buf + secretlen + 16, salt, 2);
(void) MD5(encode_buf, secretlen + AUTH_VECTOR_LEN + 2, md5_md);
for (i = 0; i < 16; ++i)
mppe_key[i] ^= md5_md[i];
(void) memcpy(encode_buf + secretlen, mppe_key, 16);
(void) MD5(encode_buf, secretlen + 16, md5_md);
for (i = 0; i < 16; ++i)
mppe_key[i + 16] ^= md5_md[i];
/* Whew. Now stringify it for pairmake(). */
mppe_key_string[0] = '0';
mppe_key_string[1] = 'x';
(void) sprintf(&mppe_key_string[2], "%02X", salt[0]);
(void) sprintf(&mppe_key_string[4], "%02X", salt[1]);
for (i = 0; i < sizeof(mppe_key); ++i)
(void) sprintf(&mppe_key_string[i*2+6], "%02X", mppe_key[i]);
#else /* 0 */
mppe_key_string[0] = '0';
mppe_key_string[1] = 'x';
for (i = 0; i < sizeof(MasterSendKey); ++i)
(void) sprintf(&mppe_key_string[i*2+2], "%02X", MasterSendKey[i]);
#endif /* else !0 */
vp = pairmake("MS-MPPE-Send-Key", mppe_key_string, T_OP_EQ);
rad_assert(vp != NULL);
pairadd(avp, vp);
/*
* Generate the MS-MPPE-Recv-Key attribute.
*/
#if 0
/* Setup the salt value. */
salt[0] = 0x80;
salt[1] = 0x02;
/* Encode the key. */
(void) memset(mppe_key, 0, sizeof(mppe_key));
mppe_key[0] = 16; /* length */
(void) memcpy(&mppe_key[1], MasterReceiveKey, 16);
secretlen = strlen(request->secret);
(void) memcpy(encode_buf, request->secret, secretlen);
(void) memcpy(encode_buf + secretlen, request->packet->vector,
AUTH_VECTOR_LEN);
(void) memcpy(encode_buf + secretlen + 16, salt, 2);
(void) MD5(encode_buf, secretlen + AUTH_VECTOR_LEN + 2, md5_md);
for (i = 0; i < 16; ++i)
mppe_key[i] ^= md5_md[i];
(void) memcpy(encode_buf + secretlen, mppe_key, 16);
(void) MD5(encode_buf, secretlen + 16, md5_md);
for (i = 0; i < 16; ++i)
mppe_key[i + 16] ^= md5_md[i];
/* Whew. Now stringify it for pairmake(). */
mppe_key_string[0] = '0';
mppe_key_string[1] = 'x';
(void) sprintf(&mppe_key_string[2], "%02X", salt[0]);
(void) sprintf(&mppe_key_string[4], "%02X", salt[1]);
for (i = 0; i < sizeof(mppe_key); ++i)
(void) sprintf(&mppe_key_string[i*2+6], "%02X", mppe_key[i]);
#else /* 0 */
mppe_key_string[0] = '0';
mppe_key_string[1] = 'x';
for (i = 0; i < sizeof(MasterReceiveKey); ++i)
(void) sprintf(&mppe_key_string[i*2+2], "%02X", MasterReceiveKey[i]);
#endif /* else !0 */
vp = pairmake("MS-MPPE-Recv-Key", mppe_key_string, T_OP_EQ);
rad_assert(vp != NULL);
pairadd(avp, vp);
} /* (doing mppe) */
} /* PWE_MSCHAP2 */
break; /* PWE_MSCHAP2 */
} /* switch (pwe) */
return;
}
bool NTLMPasswordSeek(unsigned char* pLMPassword, int nLMPasswordLen, int nLMPasswordNext,
unsigned char* pNTLMHash, string& sNTLMPassword)
{
if (nLMPasswordNext == nLMPasswordLen)
{
unsigned char md[16];
MD4(pLMPassword, nLMPasswordLen * 2, md);
if (memcmp(md, pNTLMHash, 16) == 0)
{
sNTLMPassword = "";
int i;
for (i = 0; i < nLMPasswordLen; i++)
sNTLMPassword += char(pLMPassword[i * 2]);
return true;
}
else
return false;
}
if (NTLMPasswordSeek(pLMPassword, nLMPasswordLen, nLMPasswordNext + 1, pNTLMHash, sNTLMPassword))
return true;
if ( pLMPassword[nLMPasswordNext * 2] >= 'A'
&& pLMPassword[nLMPasswordNext * 2] <= 'Z')
{
pLMPassword[nLMPasswordNext * 2] = pLMPassword[nLMPasswordNext * 2] - 'A' + 'a';
if (NTLMPasswordSeek(pLMPassword, nLMPasswordLen, nLMPasswordNext + 1, pNTLMHash, sNTLMPassword))
return true;
pLMPassword[nLMPasswordNext * 2] = pLMPassword[nLMPasswordNext * 2] - 'a' + 'A';
}
return false;
}
static unsigned long md4_encode(unsigned char *buf, size_t size)
{
uint8_t md4[MD4_DIGEST_LENGTH];
unsigned long *p = (unsigned long *)md4;
MD4((unsigned char *)buf, size, md4);
return *p;
}
/**
Computes the MD4 message digest of a input data buffer.
This function performs the MD4 message digest of a given data buffer, and places
the digest value into the specified memory.
If this interface is not supported, then return FALSE.
@param[in] Data Pointer to the buffer containing the data to be hashed.
@param[in] DataSize Size of Data buffer in bytes.
@param[out] HashValue Pointer to a buffer that receives the MD4 digest
value (16 bytes).
@retval TRUE MD4 digest computation succeeded.
@retval FALSE MD4 digest computation failed.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
Md4HashAll (
IN CONST VOID *Data,
IN UINTN DataSize,
OUT UINT8 *HashValue
)
{
//
// Check input parameters.
//
if (HashValue == NULL) {
return FALSE;
}
if (Data == NULL && DataSize != 0) {
return FALSE;
}
//
// OpenSSL MD4 Hash Computation.
//
if (MD4 (Data, DataSize, HashValue) == NULL) {
return FALSE;
} else {
return TRUE;
}
}
DWORD
SamDbComputeNTHash(
PCWSTR pwszPassword,
PBYTE pHash,
DWORD dwHashByteLen
)
{
DWORD dwError = 0;
if (!pHash || (dwHashByteLen != 16))
{
dwError = LW_ERROR_INVALID_PARAMETER;
BAIL_ON_SAMDB_ERROR(dwError);
}
memset(pHash, 0, dwHashByteLen);
if (pwszPassword)
{
MD4((PBYTE)pwszPassword,
wc16slen(pwszPassword)*sizeof(WCHAR),
pHash);
}
cleanup:
return dwError;
error:
goto cleanup;
}
static char *ma_md4_hash(const char *host, const char *user, unsigned int port, char *md4)
{
char buffer[195]; /* MAX_USERNAME_LEN + MAX_HOST_NAME_LEN + 2 + 5 */
snprintf(buffer, 194, "%s@%s:%d", user ? user : "", host, port);
buffer[194]= 0;
MD4(buffer, strlen(buffer), md4);
return md4;
}
std::string Md4::hexdigest(std::string& preimage) const {
unsigned char digest[MD4_DIGEST_LENGTH];
char hexadecimal[3]; // Hex digit + null
const char* data = preimage.c_str();
std::ostringstream stringBuilder;
MD4((const unsigned char*) data, strlen(data), digest);
for (unsigned int index = 0; index < MD4_DIGEST_LENGTH; ++index) {
sprintf(hexadecimal, "%02x", digest[index]);
stringBuilder << hexadecimal;
}
return stringBuilder.str();
}
ikptr
ikrt_openssl_md4 (ikptr s_input, ikptr s_input_len, ikpcb * pcb)
{
#ifdef HAVE_MD4
ik_ssl_cuchar * in = (ik_ssl_cuchar *)IK_GENERALISED_C_STRING(s_input);
ik_ulong in_len = (ik_ulong)ik_generalised_c_buffer_len(s_input, s_input_len);
unsigned char sum[MD4_DIGEST_LENGTH];
MD4(in, in_len, sum);
return ika_bytevector_from_memory_block(pcb, sum, MD4_DIGEST_LENGTH);
#else
feature_failure(__func__);
#endif
}
bool OpensslManager::HashString(Openssl_Hash algorithm, unsigned char *input, int size, unsigned char *output, int *outlength)
{
switch(algorithm)
{
case Openssl_Hash_MD5:
MD5(input, size, output);
*outlength = MD5_DIGEST_LENGTH;
return true;
case Openssl_Hash_MD4:
MD4(input, size, output);
*outlength = MD4_DIGEST_LENGTH;
return true;
case Openssl_Hash_MD2:
MD2(input, size, output);
*outlength = MD2_DIGEST_LENGTH;
return true;
case Openssl_Hash_SHA:
SHA(input, size, output);
*outlength = SHA_DIGEST_LENGTH;
return true;
case Openssl_Hash_SHA1:
SHA1(input, size, output);
*outlength = SHA_DIGEST_LENGTH;
return true;
case Openssl_Hash_SHA224:
SHA224(input, size, output);
*outlength = SHA224_DIGEST_LENGTH;
return true;
case Openssl_Hash_SHA256:
SHA256(input, size, output);
*outlength = SHA256_DIGEST_LENGTH;
return true;
case Openssl_Hash_SHA384:
SHA384(input, size, output);
*outlength = SHA384_DIGEST_LENGTH;
return true;
case Openssl_Hash_SHA512:
SHA512(input, size, output);
*outlength = SHA512_DIGEST_LENGTH;
return true;
case Openssl_Hash_RIPEMD160:
RIPEMD160(input, size, output);
*outlength = RIPEMD160_DIGEST_LENGTH;
return true;
}
return false;
}
static int
periph_init(struct clknode *clk, device_t dev)
{
struct periph_sc *sc;
uint32_t reg;
sc = clknode_get_softc(clk);
DEVICE_LOCK(sc);
if (sc->flags & DCF_HAVE_ENA)
MD4(sc, sc->base_reg, PERLCK_ENA_MASK, PERLCK_ENA_MASK);
RD4(sc, sc->base_reg, ®);
DEVICE_UNLOCK(sc);
/* Stnadard mux. */
if (sc->flags & DCF_HAVE_MUX)
sc->mux = (reg >> PERLCK_MUX_SHIFT) & PERLCK_MUX_MASK;
else
void Hash::MD4_Generate(FILE *hashfile)
{
MD4(hashfile,digest);
}
int main(int argc, char **argv)
{
bool walk = false, randsize = false, verbose = false, csum = false, rtest = false, wtest = false;
int fd1, fd2 = 0, direct = 0, nbytes = 4096, j, o;
unsigned long size, i, offset = 0, done = 0, unique = 0, benchmark = 0;
void *buf1 = NULL, *buf2 = NULL;
struct pagestuff *pages, *p;
unsigned char c[16];
time_t last_printed = 0;
extern char *optarg;
RC4_KEY writedata;
RC4_set_key(&writedata, 16, bcache_magic);
while ((o = getopt(argc, argv, "dnwvscwlb:")) != EOF)
switch (o) {
case 'd':
direct = O_DIRECT;
break;
case 'n':
walk = true;
break;
case 'v':
verbose = true;
break;
case 's':
randsize = true;
break;
case 'c':
csum = true;
break;
case 'w':
wtest = true;
break;
case 'r':
rtest = true;
break;
case 'l':
klog = true;
break;
case 'b':
benchmark = atol(optarg);
break;
default:
usage();
}
argv += optind;
argc -= optind;
if (!rtest && !wtest)
rtest = true;
if (argc < 1) {
printf("Please enter a device to test\n");
exit(EXIT_FAILURE);
}
if (!csum && !benchmark && argc < 2) {
printf("Please enter a device to compare against\n");
exit(EXIT_FAILURE);
}
fd1 = open(argv[0], (wtest ? O_RDWR : O_RDONLY)|direct);
if (!csum && !benchmark)
fd2 = open(argv[1], (wtest ? O_RDWR : O_RDONLY)|direct);
if (fd1 == -1 || fd2 == -1) {
perror("Error opening device");
exit(EXIT_FAILURE);
}
size = getblocks(fd1);
if (!csum && !benchmark)
size = MIN(size, getblocks(fd2));
size = size / 8 - 16;
pages = calloc(size + 16, sizeof(*pages));
printf("size %li\n", size);
if (posix_memalign(&buf1, 4096, 4096 * 16) ||
posix_memalign(&buf2, 4096, 4096 * 16)) {
printf("Could not allocate buffers\n");
exit(EXIT_FAILURE);
}
//setvbuf(stdout, NULL, _IONBF, 0);
for (i = 0; !benchmark || i < benchmark; i++) {
bool writing = (wtest && (i & 1)) || !rtest;
nbytes = randsize ? drand48() * 16 + 1 : 1;
nbytes <<= 12;
offset >>= 12;
offset += walk ? normal() * 20 : random();
offset %= size;
offset <<= 12;
if (!(i % 200))
flushlog();
if (!verbose) {
time_t now = time(NULL);
if (now - last_printed >= 2) {
last_printed = now;
goto print;
}
} else
print: printf("Loop %6li offset %9li sectors %3i, %6lu mb done, %6lu mb unique\n",
i, offset >> 9, nbytes >> 9, done >> 11, unique >> 11);
done += nbytes >> 9;
if (!writing)
Pread(fd1, buf1, nbytes, offset);
if (!writing && !csum && !benchmark)
Pread(fd2, buf2, nbytes, offset);
for (j = 0; j < nbytes; j += 4096) {
p = &pages[(offset + j) / 4096];
if (writing)
RC4(&writedata, 4096, zero, buf1 + j);
if (csum) {
MD4(buf1 + j, 4096, &c[0]);
if (writing ||
(!p->readcount && !p->writecount)) {
memcpy(&p->oldcsum[0], &p->csum[0], 16);
memcpy(&p->csum[0], c, 16);
} else if (memcmp(&p->csum[0], c, 16))
goto bad;
} else if (!writing && !benchmark &&
memcmp(buf1 + j,
buf2 + j,
4096))
goto bad;
if (!p->writecount && !p->readcount)
unique += 8;
writing ? p->writecount++ : p->readcount++;
}
if (writing)
Pwrite(fd1, buf1, nbytes, offset);
if (writing && !csum && !benchmark)
Pwrite(fd2, buf2, nbytes, offset);
}
printf("Loop %6li offset %9li sectors %3i, %6lu mb done, %6lu mb unique\n",
i, offset >> 9, nbytes >> 9, done >> 11, unique >> 11);
exit(EXIT_SUCCESS);
err:
perror("IO error");
flushlog();
exit(EXIT_FAILURE);
bad:
printf("Bad read! loop %li offset %li readcount %i writecount %i\n",
i, (offset + j) >> 9, p->readcount, p->writecount);
if (!memcmp(&p->oldcsum[0], c, 16))
printf("Matches previous csum\n");
flushlog();
exit(EXIT_FAILURE);
}
void f_hash(void)
{
const char *algo;
const char *data;
char *res;
algo = (sp - 1)->u.string;
data = sp->u.string;
/* MD2 Digest */
if (strcasecmp(algo, (const char *)"md2") == 0)
{
unsigned char md[MD2_DIGEST_LENGTH];
MD2((unsigned char *)data, strlen(data), md);
res = hexdump(md, MD2_DIGEST_LENGTH);
}
/* MD4 Digest */
else if (strcasecmp(algo, (const char *)"md4") == 0)
{
unsigned char md[MD4_DIGEST_LENGTH];
MD4((unsigned char *)data, strlen(data), md);
res = hexdump(md, MD4_DIGEST_LENGTH);
}
/* MD5 Digest */
else if (strcasecmp(algo, (const char *)"md5") == 0)
{
unsigned char md[MD5_DIGEST_LENGTH];
MD5((unsigned char *)data, strlen(data), md);
res = hexdump(md, MD5_DIGEST_LENGTH);
}
/* MDC2 Digest */
else if (strcasecmp(algo, (const char *)"mdc2") == 0)
{
unsigned char md[MDC2_DIGEST_LENGTH];
MDC2((unsigned char *)data, strlen(data), md);
res = hexdump(md, MDC2_DIGEST_LENGTH);
}
/* RIPEMD160 Digest */
else if (strcasecmp(algo, (const char *)"ripemd160") == 0)
{
unsigned char md[RIPEMD160_DIGEST_LENGTH];
RIPEMD160((unsigned char *)data, strlen(data), md);
res = hexdump(md, RIPEMD160_DIGEST_LENGTH);
}
/* SHA1 Digest */
else if (strcasecmp(algo, (const char *)"sha1") == 0)
{
unsigned char md[SHA_DIGEST_LENGTH];
SHA1((unsigned char *)data, strlen(data), md);
res = hexdump(md, SHA_DIGEST_LENGTH);
}
else
{
pop_stack();
res = malloc(29 + strlen(algo));
sprintf(res, "hash() unknown hash type: %s.\n", algo);
error(res);
}
/* Pop the arguments off the stack and push the result */
free_string_svalue(sp--);
free_string_svalue(sp);
sp->subtype = STRING_MALLOC;
sp->u.string = res;
}
