For signature generation choose the key
from available stores, choose the file
and generate signature. When signature is
generated choose the file to save it.
For signature verification choose the certificate,
choose the sourse file, push the button and
choose file with signature.
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For encryption/decription text choose the current
variant (Classic encrypt/decrypt uses keyAgreement),
choose the cipher mode (CFB, CBC and other),
choose the key and the other side certificate,
choose the file for encription and
encrypt/decrypt the text. When encryption is done
choose file to save encripted/decrypted text.