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    Use tcpdf digital signature
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    Posted by halilurrahman  · 26-04-2020 - 06:58

    I want to use the example 52 of TCPDF, but this warning goes out for me, and
    not as solving it

    Warning: openssl_pkcs7_sign() : error getting private key in
    C:\wamp\www\tcpdf\tcpdf.php on line 7878

    Notice: Undefined offset: 1 in C:\wamp\www\tcpdf\tcpdf.php on line 7890
    TCPDF ERROR: Some data has already been output, can't send PDF file

    Posted by halilurrahman  · 26-04-2020 - 07:56

    this is also throwing error

    openssl pkcs12 -in tcpdf.pfx -out tcpdf.crt -nodes
    Can't open tcpdf.pfx for reading, No such file or directory
    16588:error:02001002:system library:fopen:No such file or directory:crypto\bio\bss_file.c:69:fopen('tcpdf.pfx','rb')
    16588:error:2006D080:BIO routines:BIO_new_file:no such file:crypto\bio\bss_file.c:76: