Hi there,

  I am trying to decrypt a file like this:

$ openssl asn1parse -in sec -inform DER
    0:d=0  hl=2 l=inf  cons: SEQUENCE
    2:d=1  hl=2 l=   9 prim: OBJECT            :pkcs7-envelopedData
   13:d=1  hl=2 l=inf  cons: cont [ 0 ]
   15:d=2  hl=2 l=inf  cons: SEQUENCE
   17:d=3  hl=2 l=   1 prim: INTEGER           :00
   20:d=3  hl=2 l= 122 cons: SET
   22:d=4  hl=2 l= 120 cons: cont [ 3 ]
   24:d=5  hl=2 l=   1 prim: INTEGER           :00
   27:d=5  hl=2 l=  35 cons: cont [ 0 ]
   29:d=6  hl=2 l=   9 prim: OBJECT            :PBKDF2
   40:d=6  hl=2 l=  22 cons: SEQUENCE
   42:d=7  hl=2 l=  16 prim: OCTET STRING      [HEX
DUMP]:CFF092E4F1471FE68AF0DE2299D7AC56
   60:d=7  hl=2 l=   2 prim: INTEGER           :03E8
   64:d=5  hl=2 l=  44 cons: SEQUENCE
   66:d=6  hl=2 l=  11 prim: OBJECT            :1.2.840.113549.1.9.16.3.9
   79:d=6  hl=2 l=  29 cons: SEQUENCE
   81:d=7  hl=2 l=   9 prim: OBJECT            :aes-128-cbc
   92:d=7  hl=2 l=  16 prim: OCTET STRING      [HEX
DUMP]:B1218FF14CBFC9A9E9D21064834DD9E7
  110:d=5  hl=2 l=  32 prim: OCTET STRING      [HEX
DUMP]:504E1467FFE2112639C3128BD8D95BCD174BB0839E69AA79313A21CC1C947E9B
  144:d=3  hl=2 l=inf  cons: SEQUENCE
  146:d=4  hl=2 l=   9 prim: OBJECT            :pkcs7-data
  157:d=4  hl=2 l=  29 cons: SEQUENCE
  159:d=5  hl=2 l=   9 prim: OBJECT            :aes-128-cbc
  170:d=5  hl=2 l=  16 prim: OCTET STRING      [HEX
DUMP]:9E8C79FBC450997A71895D84938025A3
  188:d=4  hl=2 l=inf  cons: cont [ 0 ]


I tried the following command:

$ openssl smime -decrypt -binary -in sec -inform DER -out
outputfile.txt -passin stdin

But the command line requires a -inkey arg. So I guess I am not using
openssl command line properly. Could someone please correct my
decryption command line (from the asn1parse output).

Thanks,
-- 
Mathieu
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