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rsaenh: Move PKCS1 padding and unpadding functions. 

Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2018-10-02 16:37:04 +08:00 committed by Alexandre Julliard
parent a8a2c0b9c5
commit 07232b3870
1 changed files with 48 additions and 6 deletions
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54
dlls/rsaenh/rsaenh.c
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@ -1655,7 +1655,7 @@ exit:
} }
/****************************************************************************** /******************************************************************************
* pad_data [Internal] * pad_data_pkcs1 [Internal]
* *
* Helper function for data padding according to PKCS1 #2 * Helper function for data padding according to PKCS1 #2
* *
@ -1670,8 +1670,7 @@ exit:
* Success: TRUE * Success: TRUE
* Failure: FALSE (NTE_BAD_LEN, too much data to pad) * Failure: FALSE (NTE_BAD_LEN, too much data to pad)
*/ */
static BOOL pad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD dwBufferLen, static BOOL pad_data_pkcs1(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD dwBufferLen, DWORD dwFlags)
DWORD dwFlags)
{ {
DWORD i; DWORD i;
@ -1696,7 +1695,29 @@ static BOOL pad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD
} }
/****************************************************************************** /******************************************************************************
* unpad_data [Internal] * pad_data [Internal]
*
* Helper function for data padding according to padding format
*
* PARAMS
* abData [I] The data to be padded
* dwDataLen [I] Length of the data
* abBuffer [O] Padded data will be stored here
* dwBufferLen [I] Length of the buffer (also length of padded data)
* dwFlags [I] 0 or CRYPT_SSL2_FALLBACK
*
* RETURN
* Success: TRUE
* Failure: FALSE
*/
static BOOL pad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD dwBufferLen,
DWORD dwFlags)
{
return pad_data_pkcs1(abData, dwDataLen, abBuffer, dwBufferLen, dwFlags);
}
/******************************************************************************
* unpad_data_pkcs1 [Internal]
* *
* Remove the PKCS1 padding from RSA decrypted data * Remove the PKCS1 padding from RSA decrypted data
* *
@ -1711,8 +1732,7 @@ static BOOL pad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD
* Success: TRUE * Success: TRUE
* Failure: FALSE, (NTE_BAD_DATA, no valid PKCS1 padding or buffer too small) * Failure: FALSE, (NTE_BAD_DATA, no valid PKCS1 padding or buffer too small)
*/ */
static BOOL unpad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD *dwBufferLen, static BOOL unpad_data_pkcs1(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD *dwBufferLen, DWORD dwFlags)
DWORD dwFlags)
{ {
DWORD i; DWORD i;
@ -1737,6 +1757,28 @@ static BOOL unpad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWOR
return TRUE; return TRUE;
} }
/******************************************************************************
* unpad_data [Internal]
*
* Remove the padding from RSA decrypted data according to padding format
*
* PARAMS
* abData [I] The padded data
* dwDataLen [I] Length of the padded data
* abBuffer [O] Data without padding will be stored here
* dwBufferLen [I/O] I: Length of the buffer, O: Length of unpadded data
* dwFlags [I] Currently none defined
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
static BOOL unpad_data(const BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWORD *dwBufferLen,
DWORD dwFlags)
{
return unpad_data_pkcs1(abData, dwDataLen, abBuffer, dwBufferLen, dwFlags);
}
/****************************************************************************** /******************************************************************************
* CPAcquireContext (RSAENH.@) * CPAcquireContext (RSAENH.@)
* *