GD32H757VMT7 datasheet(68/151 Pages) GIGADEVICE

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GD32H757xx Datasheet

in LFSR mode.



32-bit random numbers are generated each time in LFSR mode.



TRNG NIST mode follows the NIST SP800-90B.



Support health tests recommended by the NIST SP800-90B.



32-bit*4 or 32-bit*8 random numbers are generated each time in NIST mode.



TRNG has the functions of startup and in-service self-check, associated with specific

error flags.



128-bit random value seed is generated from analog noise.

The true random number generator (TRNG) module can generate a 32-bit random value by

using continuous analog noise and it has been pre-certified NIST SP800-90B.

3.11.

Cryptographic Acceleration Unit (CAU)

 Supports DES, TDES or AES (128, 192, or 256) algorithms.



DES/TDES supports Electronic codebook (ECB) or Cipher block chaining (CBC) mode.



AES supports 128bits-key, 192bits-key or 256 bits-key.



Multiple modes are supported respectively in DES, TDES and AES, including Electronic

codebook (ECB), Cipher block chaining (CBC), Counter mode (CTR), Galois / counter

mode (GCM), Galois message authentication code mode (GMAC), Counter with CBC-

MAC (CCM), Cipher Feedback mode (CFB) and Output Feedback mode (OFB).



DMA transfer for incoming and outgoing data is supported.

The cryptographic acceleration unit (CAU) is used to encipher and decipher data with DES,

Triple-DES or AES (128, 192, or 256) algorithms. DES / TDES / AES algorithms with different

key sizes are supported to perform data encryption and decryption in the CAU in multiple

modes. The CAU is a 32-bit peripheral, DMA transfer is supported and data can be accessed

in the input and output FIFO.

3.12.

Hash Acceleration Unit (HAU)



Federal Information Processing Standards Publication 180-4(FIPS PUB 180-4).



Secure Hash Standard specifications (SHA-1, SHA-224, SHA-256).



Internet Engineering Task Force Request for Comments number 1321 (IETF RFC

1321) specifications (MD5).



High performance of computation of hash algorithms.



Automatic data padding to fill the 512-bit message block for digest computation.



DMA transfer is supported.



Hash / HMAC process suspended mode.

The hash acceleration unit (HAU) is used for information security. The secure hash algorithm

(SHA-1, SHA-224, SHA-256), the message-digest algorithm (MD5) and the keyed-hash

message authentication code (HMAC) algorithm are supported for various applications. The

digest will be computed and the length is 160 / 224 / 256 / 128 bits for a message up to (264

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