Problems with digital signatures (adobe reader)

     I am a Government contractor that develops documents for my customer. We are in the process of ascertaining the viability of digital signatures. I have developed a signature form with Adobe Pro 9.0.
     I have several issues. When someone digitally signs the document with their Common Acess Card (CAC), the warning appears "At least one signature has problems. Please fill out the form. If you are the form author, choose distribute form in the forms menu to send it to your recipients."
     I tried using several options using the distribute section, and I am unable to make this part work. I truly need assistance with doing this correctly. I require that the signatures to be processed in sequence (#1, #2, #3, and then the approval signature). I did not comprehend that option in the distribute form section.
     However, the recipients that use Adobe Acrobat Pro are able to sign the document when submitted to them (however, the prviously stated warning appears). If they use Adobe Reader, they are not able to sign the document.
     Please help.
     Is there anyone that can assist with the signature feature of Adobe Pro?
     I would appreciate any suggestion/guidance.
     One area that I don't understand is the feature where i 0send the form out for signature.

What is your operating system?
If Windows, you have something in your registry that is pointing to drive K:
See if anything in here helps: http://helpx.adobe.com/creative-suite/kb/error-1327-invalid-drive-drive.html

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Hello ALL,
I am facing problem with Digital Signature strategy in DMS. If any help its greatly appreciated.
I have senario where Approvers in DMS will review the document and approve the document and put on their digitial signature. if i have multiple approvers maintained in the characterstics it has to check weather it has been approved by all approvers otherwise it has to reset the status to for approval.
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Hi,
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Best regards,
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I have a requirement to upload documents and his respected fingerprint signed (SHA1WithRSA).
To achive this I am using the functions modules:
SSF_KRN_DIGEST
SSF_KRN_SIGN_BY_AS
but I can´t make it work.
I also ask for the .pem file used to generate the PSE that I'm using to sign documents.
With this pem file I execute in openSSL this following command:
#Creates Message Digest of document.txt, and the sign it with MyKey.pem
dgst -sha1 -sign MyKey.pem -out document.sign document.txt
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This are the HEX value for OpenSSL (this is the one that works):
30
21
30
09
06
05
2B
0E
03
02
1A
05
00
04
14
AC
37
25
AC
AD
34
E2
F8
B9
21
B3
15
DD
20
0D
71
5B
FD
EE
EB
And this is the HEX value of the result of FM SSF_KRN_DIGEST:
30
40
06
09
2A
86
48
86
F7
0D
01
07
05
A0
33
30
31
02
01
00
30
09
06
05
2B
0E
03
02
1A
05
00
30
0B
06
09
2A
86
48
86
F7
0D
01
07
01
04
14
AC
37
25
AC
AD
34
E2
F8
B9
21
B3
15
DD
20
0D
71
5B
FD
EE
EB
As you can see, both files do countain the digest, but the metadata and padding is different. As far as I know, it should respect the ASN.1 structure, but I can figure out whats wrong with the SSF_KRN_DIGEST call.
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* Creamos el message diggest del archivo
CALL FUNCTION 'SSF_KRN_DIGEST'
   EXPORTING
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     ostr_input_data_l                  = lv_bin_data_len
     str_hashalg                        = 'SHA1'
IMPORTING
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*   CRC                                =
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     ostr_input_data                    = lt_bin_data
     ostr_digested_data                 = lt_digested_data
EXCEPTIONS
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    ssf_krn_noop                       = 2
    ssf_krn_nomemory                   = 3
    ssf_krn_opinv                      = 4
    ssf_krn_nossflib                   = 5
    ssf_krn_input_data_error           = 6
    ssf_krn_invalid_par                = 7
    ssf_krn_invalid_parlen             = 8
    ssf_fb_input_parameter_error       = 9
    OTHERS                             = 10.
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Thanks in advance.
regards.

Martin, as you said, the problem was the PKCS#7 format.
In a communication problem, I was told that the application works with that format, whereas in reality is working with PKCS#1 - V1.5
I just have to search for a FM that support that format, like SSFW_KRN_SIGN.
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lw_signer-profile = lv_str_profile.
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     ssf_krn_noop                 = 2
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     ssf_krn_opinv                = 4
     ssf_krn_nossflib             = 5
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     ssf_krn_invalid_par          = 8
     ssf_krn_invalid_parlen       = 9
     ssf_fb_input_parameter_error = 10
     OTHERS                       = 11.
Where lv_xstring_data_to_sign is just a xstring with the document that I have to sign.
Regards!
German Guzelj

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Click the “Kudos Thumbs Up" at the bottom of this post to say “Thanks” for helping!
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please find attached screenshot for your reference.
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Problems with digital signatures (adobe reader)

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