I created a valid pdf with a single blank page and an existing text field, everything is fine:
I can edit the pdf and save it, everything is fine. I tested the pdf with tools for validation, the pdf is valid.
But when I encrypt it, with those permissions:
const securityOptions = {
ownerPassword: "azer",
permissions: {
printing: 'highResolution', //'lowResolution',
modifying: true,
copying: true,
annotating: true,
fillingForms: true,
contentAccessibility: true,
documentAssembly: true
}
};
And save it, I have an issue with the text field when I open the pdf: Text field invisible in:
- Adobe Reader.
- Chrome (and all chromium browser), when a do a ctrl+p the text field is visible in the print viewer.
Text field visible with its value in:
- Mozilla
- X-Change Editor
I tested the encrypted pdf with tools for validation (https://www.pdf-online.com/osa/validate.aspx), the pdf is valid.
This is the encrypted PDF, may be something wrong with the streams or Metadata encryption, I am not sure:
As base64
JVBERi0xLjcKJYGBgYEKCjEgMCBvYmoKPDwKL0NyZWF0aW9uRGF0ZSAoRDoyMDI0MDEwMzA5NDkyMC0wNScwMCcpCi9DcmVhdG9yIChQREYtWENoYW5nZSBFZGl0b3IgOS4zLjM2MSkKL01vZERhdGUgKEQ6MjAyNDAxMDUxMDAzNDNaKQovUHJvZHVjZXIgKHBkZi1saWIgKGh0dHBzOi8vZ2l0aHViLmNvbS9Ib3BkaW5nL3BkZi1saWIpKQo+PgplbmRvYmoKCjIgMCBvYmoKPDwKL0Fjcm9Gb3JtIDQgMCBSCi9NZXRhZGF0YSA1IDAgUgovUGFnZXMgNiAwIFIKL1R5cGUgL0NhdGFsb2cKPj4KZW5kb2JqCgo0IDAgb2JqCjw8Ci9EUiA8PAovRm9udCA8PAovSGVsdiA3IDAgUgo+Pgo+PgovRmllbGRzIFsgOCAwIFIgXQo+PgplbmRvYmoKCjUgMCBvYmoKPDwKL0xlbmd0aCAzMDA4Ci9TdWJ0eXBlIC9YTUwKL1R5cGUgL01ldGFkYXRhCj4+CnN0cmVhbQpLYvk5S3eWNQ/XaWuidyktH66Vxol5WoizDq2CxrTOOiR6+/Q3SCsMeLeSwCJ+y7lYFe0oBXRABximgmVCFMwk7ojrtC/451MwvH7FAi4j4pnidTiyh37aQylKrHZ05CCOCm70DM6OpIt5UQFs+LC3Y36jbdsZtQTr6C/HjWiQaey5w2dZI1dXSVpv/kccLd73ced61+oA8XtOu4NxQp06p0DK7LF71WenusW9EzIrRmwqzQatunUgWfGtwgnbwnPOS4lx/twkK/XQh7z1Rjh3vO/smT8nHV8FDFzltTCr6Id+WAYPW/0ytlPuNVzQFBalcaOjUrZHr6Q1AFw9CkLkVjrB0o4+F6Kr8KKad7teLMLR0b8oVQXr1fZkc4mOGAhJgj7MLC6XDKBk1dYhnpRQGgS5pv9ryg1TtE33DG7xcWsFeKENV2/EOM2oj8i36FHCPf11z9MfeVj79IGsI5jXZ4WvTx2PGpcFjj8jOSbjnquFzceP997YNinqU6kKmROmOuAQN51sWXQZ4091QgUOmOrOp4dI16k2Xf4WzaJjZDL83wL6z5mZLREW/Q4sxojb53hOt+K01BrFpmyvCWidhZHVUq7aBjZjAFmn6VnJIGo2FmJKeAHhi175b69kMZo2HTOpe4I26rF1yBtrLfbjryqexuMyqlQ3RmMZccbEaMSsOzpdbV1nn+UD9parcTOQmfg+yRCGg9ueQkBYKT8vGU4ZIoVVf0piY9z9su7T6eFSEOazBUpZ6D1G1jsRLQOTLPNGGmWP+7omp6sDn5uIRNsxkDnNAFbr2YLHm9+LU19JFxke5E+CeOwLrMbNYcvHaId5untX+mW7J0jRWJnFUeAgNxmZ/eBw+6x5Tfc65naCA7lfQGCphgT6Ay87+hvumEaqfaJ5YHVzeEbID6qg+A69oDLkMQL+FU7EtvimB22FoWEK3X/XORZ/blnum7AgWI3eJPKDB5NApAgA8EdLrwNt4HFJ4IDpTozN7csaNB1LwqSUOA7DPBlBDo5DtfLV4Qa3xkZC01k0ZImZQFol5Kff2QAeNkCHInL8+vQ7foLnWViZXjIQUmXeubd9+p4mM8OXZWLGAHD/SNtwkwQbh7Ak64ij3oLsWyFQ+rtQIAmf8391prCHs+RMkzhdtODYhnG8SdsKrR+QabbqLBdnxjtiaC5ZDZ0AcFzVTgE5c6Wt9Gw3bE1ijI/SOG+M5wSPtfC0hSGNHoPWXn5BCHyyvWWdvfW0hvtFKNiizMAYwMstU0uFF77S+iJ4RaedDDuhQaQ9Ot8dTGGRswMseDY9aXXnDqrUQZ8Atm4uWP2dWoJdsICU7Okq1I5ouVSSJezbue4mRH8yz/1oBDEYo267KYv6EuaDRO4A7PL2cmTCV59AeWI1pGduNimqYmHVSM5KE2TdPgJOD375Eff+MscbgPC/5T9VgoeLeJWyZzo65zOsLRpfJT4g5NBo0mnMaw+3dl1yQyCn5GWjn3B5k3P3zccBVvcVhfxYRXd8GnnD3589acr6hqEpIWVL6ywVH3hfdXFyS3JjOGKHWIQp2cqi7Uw2QaxC7Oq8H+Q/JdzdyjmxXkh1dd52STqVxII2LUbDHyMue4585i2/Nkg0n0+e67X9LEhsLzW5g4de6TyzsAtQ5kp1Dbpps0ZQ7th1jZvTIknvPqnHwouCjM4qRQZUtBkpS+V2K4wRVm0/APvIOeEzt4nG5KgZeJ0ohdKm8URXulpHoZxE1UbS60eAu61gQcn5uPlb8idTIhNK35in2oN2kQv/BXbcxEIZ30U6uDEZLlZFiQW13lxFTLQFYAopJmsy6eCki11FLhLPkRlKxMqCvdWVUq03txuPMII6c7ATmPyrBQ5x6fVsz6TDsSPL23tO0JdV7KIm61fqz9P6PpiokAgHwZT2YDRajC4SpqOtvfRnxQKNNsNMkDOzq1rr3Pd7Wt+RSns3isurTTQ5G0W4dXXybzYebbh5bOSxcy4zET0MvoJswoFgvXfWfpqN4MwDnFYLKsYX5eBD49qZfgPPestQEx539k5FWCYOR+K7nH8aQkdVbK/Gy1SdPHb8Tv1DBxxf1M3vf14PLgbm4ixIoI0DsYFigOR49ns2/tgEWdHhpuD1h0cmF5SUNsmH81h3N1RXml68PFzc28wDaOKlSYFMgGljzKFSznFex3DVnOy8dK0G0PcUvlOgRgiTJdw9F8tPEc4Ysvk/uWvzill432sp4A2ConT2WuQ2+ihj7KxQYl4UimTNR8XqrLIqzIqj0UJ1yaAddUFwD7o/1iqkemaCxiuVMpPCHvMi+2QMUzvmsGdnA8jQ7bB7JfqvR5zQCrHcwRmy9WInp/k38sac4ghOPU4ltr7wPpwHugxP0O8II2/4fcSDjnIL7vgCNqOFTIyccINb8RVZsws5uHsa9ufq2l8zTdFE/h0luEN35BxV7HdgasCO0mFSK31h5hevQODZtVnShjR9gTQNQr7l6+HthAwDgUcAIXTfLNrXn8+J4SEczUZ86l2YtXnnodvmyl8wUlk+c7588rAtlEoFPiLGGRtDOZ/ssMbfkTv2rF7Tdbd4qgnHponelsrhcl1hXGQLNazrev5XQNu8ISsVFezvtHM2SQ1sykkSvTMZiE00zN5kXCcuyvce/gFwoasLIqQiCtnBaqaaH8lqtIBFFIWvPV95oWx21UW3Icnqm17ptHxUGXOEAOP9rSbnAIr5I5ZKM7VNwejTzEzzZEuFC778LPdRRKlgGvrKP+SyW3+Zo/HjhdNjkBAJssXLf12VSoH2FGfcalrkGuAk+OTWcPyRewH36gl4dJGYib8f2ffBig9QpnT6q3TLVyvS9iarPON86w3A2O6Geq3pOgaRojWz7JfCs6S36Hkqys4fTUyC1YMmQAKgrvE13DbnAPRHbANoQyyw/VEoSAK38h0dMTaeerbTXwPL6gBYKYnh5qOxaT2JTQplSJg1TAppR88uAJ4/etAAvBzkvoVjmvT3tcR/C/mFCMBvTwLO+/SvrgDZElvHQQ0oTcbIA+H2IjrnaMs7Ao+wZKiIM0hkfUHQL6OjnmFYXHhaf8e/4fP6ssWtGTXDbAAPHnKBHIpg5j+JaLqNO8fkM1HQqzEBjBcvd05VpZkQwOmSLku4pXkXCpHzYgmf1fnFPJMRIKcV6Fc0ADBjSQj1QZrHb+VK9gY19oP4hLEXhlnvjCesATxEDNF+5OcOHG0b1VPusyLpnklksCupwvw4rvyEvrTuMKOwXFF3khFFc6c6P3ghBftmhkUw056vol6XKFI9Me+/XvsjOgoya2lCeBYUC/QBtBbWitxdy6yyOXA8rckqv2mMKe893MjDpPnAFVPjQJObQGqMdTUR92mYf/HHwnPWIFI8krGH99WF4NgLo5ol3SO9okFxND9reEwhqC/D8TxlxNqimtwd4MSERDYhjxqkolP6nkgmpOoFb9RbLC1Har8UjF1UlyueAWUzcyuJ+QrVYTghMB8suUc7GN30+LGnmu0sndnXGyRE1fZN9QbOJOUzEVqFZw+gPT9eFeH68hoO1w7RCRhgr1dq3ndbslsFl8HM6odtiVvGGx8MxmmfDVceIjLl9jM+2va0dkGeeA2/oUvKAs9E56+0A61qBJcZ34erzi+BTJ+tL91td87ZZipvscnsZiKPXkLYriOd+mUAPUTFUruMN+ncZeswRRdiiReKQR1j7bG7+G1Wlmwo0PMQr2LlYfJ50CIRC3NVwiRPNc59LrPwqYrEhjYnwrFd3wC/cFJaR17NUOKHJuTdh+IfFWl4RMibwVeUfcPs0cK0haY7yQRh6GaqPsNSqPZNwxm/HOYA6bw97hz+T1/l2PToWNYw8i/+ZCDTTQe4ytKtWgKB06d08lMkCGRB8520TKQtQ/uyOs0zXmYkVRfCbKMb8xRiPAYRNfMYWnxYq1mDBHbLFXtIzgkSuSiRvZ86cTKYFVbdaxAZyDkX/XN3qAnSZEg4GJ7Q1eem8XjeZo0QHmYaFFNLI5I7qKvE9dD0xgplbmRzdHJlYW0KZW5kb2JqCgo2IDAgb2JqCjw8Ci9Db3VudCAxCi9LaWRzIFsgOSAwIFIgXQovVHlwZSAvUGFnZXMKPj4KZW5kb2JqCgo3IDAgb2JqCjw8Ci9CYXNlRm9udCAvSGVsdmV0aWNhCi9FbmNvZGluZyAxMCAwIFIKL1N1YnR5cGUgL1R5cGUxCi9UeXBlIC9Gb250Cj4+CmVuZG9iagoKOCAwIG9iago8PAovQVAgPDwKL04gMTEgMCBSCj4+Ci9EQSAoMCBnIC9IZWx2IDAgVGYpCi9EViAoSSBhbSBhIGRlZmF1bHQgdmFsdWUpCi9GIDQKL0ZUIC9UeAovTUsgPDwKL0JDIFsgMCAwIDAgXQo+PgovUCA5IDAgUgovUmVjdCBbIDMyLjA3NjUxMSA3MjUuNzc3MjIy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The not encrypted PDF:
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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I had encrypted/decrypted the /AP but it doesn't work this is the unzipped /AP:
0 0 0 RG 1 w
.5 .5 149 21 re S
/Tx BMC
q
1 1 148 20 re W n
BT
0 g 0 Tc 0 Tw 100 Tz 0 Tr/Helv 17.9 Tf 2 4.7976 Td
(Hello SE)Tj
ET
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EMC
As bytes Array:
[120,218,21,201,49,10,194,64,16,64,209,126,78,241,75,109,54,51,33,113,77,155,176,152,38,133,102,192,3,104,20,36,40,166,48,226,233,101,155,207,131,175,40,202,233,128,177,74,168,9,53,86,53,148,198,50,49,74,225,95,218,161,147,183,24,134,85,123,74,205,231,204,83,90,23,229,142,226,151,156,21,83,197,127,217,75,209,79,243,7,139,161,193,111,148,84,33,54,113,135,95,101,211,79,243,252,98,76,91,127,72,114,57,74,26,58,249,3,199,34,30,154]
Maybe i did a badly edited the /AP,, maybe the size and the xref, i changed them, I don't know what is missing in my encryption
As already indicated in a comment, the PDF claims to be fully encrypted, i.e. both strings and streams, but the strings actually are not encrypted while the streams (Metadata and widget appearance) indeed are. Consequentially, strings like the name of the field and its current value cannot be decrypted.
Essentially, therefore, the PDF is broken.
How different PDF processors handle this, is implementation dependent. Some viewers ignore that the underlying form structure of the PDF is broken and display the widget annotation nonetheless, some try and repair the form structure internally while displaying either the original widgets or creating new ones from the repaired values, and some simply refrain from displaying the widgets of a broken form structure altogether.
If that tool indeed tests your PDF as valid, then I get doubts concerning the quality of that tool.