Posts by Anderson Fonseca • 1 point
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viewsA: How to obtain the CPF/CNPJ number of a digital certificate type e-CPF/e-CNPJ on A1 and A3 models?
I used the following libs and solved with the code below (to consider that p7b is Base64-encoded, but if your p7b does not have it, can take the line from the Decode): File f = new…