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The issuer of the certiﬁcate. The “Certiﬁcate Issuer” corresponds to the common name (CN) of the issuer. In the

Windows’ certiﬁcate store this corresponds to“Issued by”. This property can be used to select the signer certiﬁcate

for signing (see description ofCryptographic Provider

7.5.11

-cn

Certiﬁcate Name (Subject)

Certiﬁcate Name (Subject):

-cn ‹name›

Set the name of the certiﬁcate used to sign the document (see description ofCryptographic Provider

). The name

corresponds to the common name (CN) of the subject. In the Windows’ certiﬁcate store this corresponds to "Issued

to".

Consult chapterDigital Signatures

to learn more about digital signatures in general and how to sign documents

with the 3-Heights™ PDF to PDF/A Converter Service.

Example: Sign the document

-cn "Philip Renggli"

The signature is added on the last page of the signed document.

7.5.12

-cno

Certiﬁcate Serial Number

Certiﬁcate Serial Number:

-cno ‹serialno›

Set the serial number of the certiﬁcate. Specify a hex string as displayed by the“Serial number”ﬁeld in the Microsoft

Management Console (MMC), e.g.

"49 cf 7d d1 6c a9"

. This property can be used to select the signer cer

tiﬁcate for signing (see description ofCryptographic Provider

7.5.13

-co

Do not Embed Revocation Information

Do not Embed Revocation Information:

-co

This switch inhibits the embedding of revocation information such as online certiﬁcate status response (OCSP - RFC

2560) and certiﬁcate revocation lists (CRL - RFC 3280). Revocation information is either an OCSP response or a CRL,

which is provided by a validation service at the time of signing and acts as proof that at the time of signing the

certiﬁcate is valid. This is useful because even when the certiﬁcates expires or is revoked at a later time, the signature

in the signed document remains valid.

Embedding revocation information is optional but suggested when applying advanced or qualiﬁed electronic sig

natures. If the embedding is enabled, then the information of the signer certiﬁcate and the issuer certiﬁcates other

than the root certiﬁcate is embedded as well. This implies that both OCSP responses and CRLs can be present in the

same message.

The downsides of embedding revocation information are the increase of the ﬁle size (normally by around 20k) and

that it requires a connection to a validation service, which delays the process of signing (normally by around 2

seconds). For mass signing it is suggested to use the caching mechanism, see chapterCaching of CRLs, OCSP and

TSP Reponses

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Embedding revocation information requires an online connection to the CA that issues them. The ﬁrewall must be

conﬁgured accordingly. In case a web proxy is used, it must be ensured the following MIME types are supported

when using OCSP (not required for CRL):

application/ocsp-request

7.5.14

-cp

Cryptographic Provider

Cryptographic Provider:

-cp ‹prov›

This property speciﬁes the cryptographic provider used to create and verify signatures.

For more information on the diﬀerent providers available, see the description in the respective subsection of the

sectionCryptographic Provider

When using theWindows Cryptographic Provider

, the value of this property is to be set to a string with the

following syntax:

"[ProviderType:]Provider[;PIN]"

If the name of the provider is omitted, the default provider is used.

Examples:

"123456"

being the pin code

Provider = "Microsoft Base Cryptographic Provider v1.0;123456"

Provider = ;123456"

When using thePKCS#11 Provider

, the value of this property is to be set to a string with the following syntax:

"PathToDll;SlotId;Pin"

Example:

Provider = "\WINDOWS\system32\siecap11.dll;4;123456"

When using any of the service providers, such as the Swisscom All-in signing service, the value of this property

is essentially the url of the service endpoint:

"http[s]://server.servicedomain.com:8080/url"

7.5.15

-cpf

Cryptographic session property (ﬁle)

Cryptographic session property (ﬁle):

-cpf ‹name› ‹file›

File data property for conﬁguring cryptographic session. The supported names and values are speciﬁc to the cryp

tographic provider.

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7.5.16

-cps

Cryptographic session property (string)

Cryptographic session property (string):

-cps ‹name› ‹str›

String property for conﬁguring cryptographic session. The supported names and values are speciﬁc to the crypto

graphic provider.

7.5.17

-cr

Signature Reason

Signature Reason:

-cr ‹reason›

Add a descriptive text about the reason why the document was signed.

Example: Sign the document an add a reason text.

-cn "Philip Renggli" -cr "I reviewed the document"

The signature of the resulting output looks as shown below:

7.5.18

-csl

Certiﬁcate Store Location

Certiﬁcate Store Location:

-csl ‹location›

For theWindows Cryptographic Provider

this deﬁnes the location of the certiﬁcate store from where the signing

certiﬁcate should be taken. Supported are:

Local Machine.

Current User (default).

For more information, see the detailed description of theWindows Cryptographic Provider

7.5.19

-csn

Certiﬁcate Store Name

Certiﬁcate Store Name:

-csn ‹store›

For theWindows Cryptographic Provider

this deﬁnes the certiﬁcate store from where the signing certiﬁcate should

be taken. This depends on the OS. The default is

"MY"

. Other supported values are:

"CA"

"ROOT"

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Example: Use the certiﬁcate store ROOT from the Local Machine account.

-cn "..." -csn ROOT -csl 0

7.5.20

-nc

Disable cache for CRL and OCSP

Disable cache for CRL and OCSP:

-nc

Get or set whether to disable the cache for CRL and OCSP responses.

Using the cache is safe, since the responses are cached as long as they are valid only. The option aﬀects both signa

ture creation and validation.

See section onCaching of CRLs, OCSP and TSP Reponses

for more information on the caches.

7.5.21

-tsc

Time Stamp Credentials

Time Stamp Credentials:

-tsc ‹cred›

If a Time-stamp server requires authentication, use this switch to provide the credentials.

Example: Credentials commonly have the syntax

username:password.

-cn "..." -tsu http://mytimestamp.com -tsc username:password

7.5.22

-tsu

Time Stamp URL

Time Stamp URL:

-tsu ‹url›

The URL of the trusted Time-stamp server (TSA) from which a Time-stamp shall be acquired. This setting is only

required when applying a Qualiﬁed Electronic Signature. Applying a Time-stamp requires an online connection

to a time server; the ﬁrewall must be conﬁgured accordingly. In case a web proxy is used, it must be ensured the

following MIME types are supported:

application/timestamp-query

application/timestamp-reply

7.5.23

-wpc

Web Proxy Server Credentials

Web Proxy Server Credentials:

-wpc ‹cred›

If a web proxy server is used, and it requires authentication, use this switch and the syntax

user:password

Example: Set a web proxy server URL and use authentication.

-wpu "http://proxy.example.org" -wpc user:password

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7.5.24

-wpu

Web Proxy Server URL

Web Proxy Server URL:

-wpu ‹url›

In an organization where a web proxy server is in use, it must be ensured this web proxy server is speciﬁed. The

URL is something like

"http://proxy.example.org"

or an IP address. For more information, see the chapter

How to Use a Proxy

7.6 OCR

In order to make use of OCR, an OCR engine must be installed. The OCR engine is provided as part of a separate

product: The 3-Heights™ OCR Enterprise Add-On.

The recommended options (besides

-ocr

-ocl

and

-ocp

) are:

For scanned documents:

-oca

For born-digital documents:

-ocs -oci

7.6.1

-ocb

Convert Images to Bitonal before OCR Recognition

Convert Images to Bitonal before OCR Recognition:

-ocb

Specify whether the images should be converted to bi-tonal (black and white) before OCR recognition.

Enabling this feature can improve the memory consumption of the OCR process.

Enabling this feature automatically re-embeds the original images in the output document; the setting of

-ocs

ignored.

7.6.2

-oci

Do not deskew image

Do not deskew image:

-oci

Do not de-skew original image (with

-ocs

only). This option speciﬁes whether the image and text are de-skewed

according to the recognized skew angle.

With option

-oci:

Do not change skew of images (i.e. do not change appearance of the page). This setting is

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