Espressif Systems ESP32 Technical Reference Manual page 122

11.5 Registers
11.5 Registers
31
SHA_TEXT_n_REG (n: 0-31) SHA Message block and hash result register. (R/W)
31
SHA_SHA1_START Write 1 to start an SHA-1 operation on the first message block. (WO)
31
SHA_SHA1_CONTINUE Write 1 to continue the SHA-1 operation with subsequent blocks. (WO)
31
SHA_SHA1_LOAD Write 1 to finish the SHA-1 operation to calculate the final the message hash.
(WO)
Espressif Systems
Register 11.1: SHA_TEXT_n_REG (n: 0-31) (0x0+4*n)
0x000000000
Register 11.2: SHA_SHA1_START_REG (0x080)
0x00000000
Register 11.3: SHA_SHA1_CONTINUE_REG (0x084)
0x00000000
Register 11.4: SHA_SHA1_LOAD_REG (0x088)
0x00000000
121 ESP32 Technical Reference Manual V1.0
11 SHA ACCELERATOR
0
Reset
1 0
0 Reset
1 0
0 Reset
1 0
0
Reset