uadk: support aead stream mode and sm4-sm3 alg #657
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added 6 commits
December 30, 2024 14:46
Add the algorithm hmac(sm3)-cbc(sm4) to the nosva scene, the following fileds of the session setup need to be set, the calg(WCRYPTO_CIPHER_SM4), the cmode(WCRYPTO_CIPHER_CBC), the dalg(WCRYPTO_SM3) and the dmode(WCRYPTO_DIGEST_HMAC). Signed-off-by: Wenkai Lin <[email protected]> Signed-off-by: Qi Tao <[email protected]>
Currently, the algorithm name of the aead cbc mode is designed only for sha256, but it is not suitable any more when other algorithms are added, such as hmac(sm3)-cbc(aes). Now a common name is used, authenc(generic,cbc(aes)), the actual algorithm and mode are still specified by dalg and dmode in the session setup. Signed-off-by: Wenkai Lin <[email protected]> Signed-off-by: Qi Tao <[email protected]>
In stream processing encryption mode, a long file needs to be encrypted. When the accelerator is invoked, the encryption result of each block is assembled. The assembled result is the same as the result of encrypting the entire file at a time. For hisi_sec, the AAD is filled to the first message, plaintext are done with the middle and the end message. In an encrypted stream, the first and the end message are unique and must be delivered to hardware. Signed-off-by: Wenkai Lin <[email protected]> Signed-off-by: Qi Tao <[email protected]>
For the gcm stream mode, assoc bytes should not be 0, check it to avoid hardware error. Signed-off-by: Wenkai Lin <[email protected]> Signed-off-by: Qi Tao <[email protected]>
The hardware only uses the block mode, so set the aead message state to the block mode first. Signed-off-by: Wenkai Lin <[email protected]> Signed-off-by: Qi Tao <[email protected]>
The hardware supports only 16-byte alignment for the aead middle messages, the invalid length check is added now. Signed-off-by: Wenkai Lin <[email protected]> Signed-off-by: Qi Tao <[email protected]>
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close this pr? only keep pr to develop? |
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Wenkai Lin (6):
uadk/v1: support the hmac(sm3)-cbc(sm4) algorithm
uadk: fix for the algorithm name of the aead cbc mode
uadk/v1: Add stream mode for AES-GCM and SM4-GCM
uadk/v1: add assoc bytes check
uadk/v1: set aead msg state for the hardware v2
uadk/v1: fix input length check for aead stream mode.