ST STM32F2 User Manual

HAL HASH Generic Driver
UM1940
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DocID028236 Rev 2
Parameters
hhash: pointer to a HASH_HandleTypeDef structure that
contains the configuration information for HASH module
Return values
None:
22.3 HASH Firmware driver defines
22.3.1 HASH
HASH Data Type
HASH_DATATYPE_32B
32-bit data. No swapping
HASH_DATATYPE_16B
16-bit data. Each half word is swapped
HASH_DATATYPE_8B
8-bit data. All bytes are swapped
HASH_DATATYPE_1B
1-bit data. In the word all bits are swapped
HASH Algorithm Selection
HASH_ALGOSELECTION_SHA1
HASH function is SHA1
HASH_ALGOSELECTION_MD5
HASH function is MD5
HASH Algorithm Mode
HASH_ALGOMODE_HASH
Algorithm is HASH
HASH_ALGOMODE_HMAC
Algorithm is HMAC
HASH HMAC Long key
HASH_HMAC_KEYTYPE_SHORTKEY
HMAC Key is <= 64 bytes
HASH_HMAC_KEYTYPE_LONGKEY
HMAC Key is> 64 bytes
HASH Flags definition
HASH_FLAG_DINIS
16 locations are free in the DIN : A new block can be entered into
the input buffer
HASH_FLAG_DCIS
Digest calculation complete
HASH_FLAG_DMAS
DMA interface is enabled (DMAE=1) or a transfer is ongoing
HASH_FLAG_BUSY
The hash core is Busy : processing a block of data
HASH_FLAG_DINNE
DIN not empty : The input buffer contains at least one word of data
HASH Interrupts definition
HASH_IT_DINI
A new block can be entered into the input buffer (DIN)
HASH_IT_DCI
Digest calculation complete
HASH Exported Macros
__HAL_HASH_RESET_HANDLE_STATE
Description:
Reset HASH handle state.
Parameters:
__HANDLE__: specifies the HASH
handle.
Return value:

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English