Espressif Systems ESP32 Technical Reference Manual page 124

11.5 Registers
31
SHA_SHA256_BUSY SHA-256 operation status: 1 if the SHA accelerator is processing data, 0 if idle.
(RO)
31
SHA_SHA384_START Write 1 to start an SHA-384 operation on the first message block. (WO)
31
SHA_SHA384_CONTINUE Write 1 to continue the SHA-384 operation with subsequent blocks. (WO)
31
SHA_SHA384_LOAD Write 1 to finish the SHA-384 operation to calculate the final the message hash.
(WO)
Espressif Systems
Register 11.9: SHA_SHA256_BUSY_REG (0x09C)
0x00000000
Register 11.10: SHA_SHA384_START_REG (0x0A0)
0x00000000
Register 11.11: SHA_SHA384_CONTINUE_REG (0x0A4)
0x00000000
Register 11.12: SHA_SHA384_LOAD_REG (0x0A8)
0x00000000
123 ESP32 Technical Reference Manual V1.0
11 SHA ACCELERATOR
1 0
0
Reset
1 0
0 Reset
1 0
0 Reset
1 0
0
Reset