.Dd $Mdocdate: November 11 2015 $
.Dt CMS_VERIFY_RECEIPT 3
.Os
.Sh NAME
.Nm CMS_verify_receipt
.Nd verify a CMS signed receipt
.Sh SYNOPSIS
.In openssl/cms.h
.Ft int
.Fo CMS_verify_receipt
.Fa "CMS_ContentInfo *rcms"
.Fa "CMS_ContentInfo *ocms"
.Fa "STACK_OF(X509) *certs"
.Fa "X509_STORE *store"
.Fa "unsigned int flags"
.Fc
.Sh DESCRIPTION
.Fn CMS_verify_receipt
verifies a CMS signed receipt.
.Fa rcms
is the signed receipt to verify.
.Fa ocms
is the original SignedData structure containing the receipt request.
.Fa certs
is a set of certificates in which to search for the signing certificate.
.Fa store
is a trusted certificate store (used for chain verification).
.Pp
.Fa flags
is an optional set of flags, which can be used to modify the verify
operation.
.Sh NOTES
This functions behaves in a similar way to
.Xr CMS_verify 3
except the flag values
.Dv CMS_DETACHED ,
.Dv CMS_BINARY ,
.Dv CMS_TEXT ,
and
.Dv CMS_STREAM
are not supported since they do not make sense in the context of signed
receipts.
.Sh RETURN VALUES
.Fn CMS_verify_receipt
returns 1 for a successful verification and zero if an error occurred.
.Pp
The error can be obtained from
.Xr ERR_get_error 3 .
.Sh SEE ALSO
.Xr CMS_sign_receipt 3 ,
.Xr CMS_verify 3 ,
.Xr ERR_get_error 3
.Sh HISTORY
.Fn CMS_verify_receipt
was added to OpenSSL 0.9.8.