C
static void SHA1HashBlock( BYTE* data, DWORD* h0, DWORD* h1, DWORD* h2, DWORD* h3, DWORD* h4 );
Description
This function calculates the SHA-1 hash sum over a block and updates the values of h0-h3 with the next context.
Preconditions
The data pointer must be WORD aligned on 16-bit parts and DWORD aligned on 32-bit PICs. If alignment is not correct, a memory alignment exception will occur.
Parameters
|
Parameters |
Description |
|
data |
The block of 64 bytes to hash |
|
h0 |
the current hash context h0 value |
|
h1 |
the current hash context h1 value |
|
h2 |
the current hash context h2 value |
|
h3 |
the current hash context h3 value |
|
h4 |
the current hash context h4 value |
Returns
None