[openssl-users] EVP_Encrypt/EVP_Decrypt input/output buffers requirements

Patrice Guérin guerinp at talasi.fr
Wed Jan 30 09:45:17 UTC 2019

Hello to all,

Documentation does not provide input/output buffers requirements for 
encryption/decryption, so
is it safe to submit the same buffer (ie, input=output) for these 
operations ?
If not, what is the minimum distance 'd' required (input = output+d) ?
This is to be used in small memory environment.

Thank you.
Kind regards,

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