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Use the token to encrypt the character string in 3.b through HMAC-SHA256 base64. Name the time and the encrypted signature dlv_time and dlv_signature, respectively. Add them to querystring of the shared link.
Use the token to encrypt the character string in 3.b through HMAC-SHA256 base64. Name the time and the encrypted signature dlv_time and dlv_signature, respectively. Add them to querystring of the shared link.
