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Hi guys, I want to use "multiblock" introduced from 1.0.2 to improve performance of ipsec packet process, which use aes_cbc_hmac_sha as main algorithm. I have try openssl speed test with ‘-mb’ and I observe that the test code use big buffer size from 8192 to 131072, that show dramatic performance improvement
My questions are:
1)
Can i get so much improvement when use multiblock on single stream with small data ,like date with size 512 or 1024 bytes.
2)
How to use the multiblock APIs? From speed.c , I saw some APIs call like EVP_CIPHER_CTX_ctrl() with type EVP_CTRL_TLS1_1_MULTIBLOCK_AAD and EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT,
is there any document regarding these? Many thanks in advance for any advice here! Thanks, kane |
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