~ $ /opt/cprocsp/bin/amd64/csptest -sfsign -help
/opt/cprocsp/bin/amd64/csptest -sfsign [<command>] [<options>]
CSPTEST generate PKCS#7 Signed message
using CAPI simplified message functions
<commands>:
  -sign             Sign data from input filename
  -verify           Verify signature on data specified by input filename
  -help             Print this help
<options>:
  -in <file>        Input filename to be signed or verified
  -out <file>       Output PKCS#7 filename
  -my <DName>       Cert from CURRENT_USER store (DName or thumbprint)
                    to process data
  -MY <DName>       Cert from LOCAL_MACHINE store (DName or thumbprint)
                    to process data
  -password <PIN>   Use PIN to open container
  -detached         Deal with detached signature
  -add              Add sender certificate to PKCS#7
  -signature <file> Detached signature file
  -alg <hashalg>    Hash algorithm: GOST12_256, GOST12_512,
                    GOST94_256, SHA1, MD5 or OID. If not specified,
                    alg will be picked automatically.
  -ask              Acquire csp context using my cert (default: none)
  -base64           Input/output with base64<->DER conversion
  -addsigtime       Add signing time attribute
  -cades_strict     Strict signingCertificateV2 attribute generation
  -cades_disable    Disable signingCertificateV2 attribute generation
  -display_content  Data to be displayed on Carrier/Reader is embedded in message content
  -silent           Do not display any user interface
  -req_compliant    Preview file before sign/verify and check certificate chain (works only with '-detached' option)
Total: SYS: 0.000 sec USR: 0.000 sec UTC: 0.000 sec
[ErrorCode: 0x00000000]