Copyright (c) 2004 The NetBSD Foundation, Inc.
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by Love H�rnquist �strand <lha@it.su.se>
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.Dd May 11, 2008 .Dt NBSVTOOL 1 .Os .Sh NAME .Nm nbsvtool .Nd create and verify detached signatures of files .Sh SYNOPSIS .Nm nbsvtool .OP Fl v .Op Fl a Ar anchor-certificates .Op Fl c Ar certificate-chain .Op Fl f Ar certificate-chain .Op Fl k Ar keyfile .Op Fl u Ar required-keyusage .Ar command .Op Ar file ... .Sh DESCRIPTION .Nm is used to create and verify detached signatures of files. .Nm has two modes, signature creation and verification.
p The signature mode requires the options .Fl k and .Fl c .
p The command .Ql verify-code is an alias for .Ql -u code verify .
p Supported options: l -tag -width XfXcertificateXchainXfileXXX t Fl a Ar trust anchor Trust anchor that will be used to verify the certificate signing the request. t Fl c Ar certificate chain file Additional certificates that will be added to the signature when creating one. For verification it is used to fill missing links in the trust chain. t Fl f Ar certificate file The certicate file to use when creating signatures. The certicate needs to match the key given by .Fl k . This is enforced by the program. t Fl k Ar private key The private key file to use when creating signatures. t Fl u Ar key usage .Ar key usage is one of: .Dq ssl-server , .Dq ssl-client , .Dq code , or .Dq smime . This verifies the extended key-usage attribute in the signer certificate. t Fl v Print verbose information of the signer. .El .Sh EXIT STATUS .Ex -std .Sh EXAMPLES .Dl nbsvtool -k key -c cert-chain sign hello hello.sp7 .Dl nbsvtool verify-code hello hello.sp7 .Dl nbsvtool -u code verify file file.sp7 .Dl nbsvtool -a anchor-file verify file.sp7 .Sh SEE ALSO .Xr openssl_smime 1