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SMIME_write_PKCS7.3
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.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.32 .\" .\" Standard preamble: .\" ======================================================================== .de Sh \" Subsection heading .br .if t .Sp .ne 5 .PP \fB\\$1\fR .PP .. .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. | will give a .\" real vertical bar. \*(C+ will give a nicer C++. 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If streaming is enabled then the content must be supplied in the \&\fBdata\fR argument. \fBflags\fR is an optional set of flags. .SH "NOTES" .IX Header "NOTES" The following flags can be passed in the \fBflags\fR parameter. .PP If \fB\s-1PKCS7_DETACHED\s0\fR is set then cleartext signing will be used, this option only makes sense for signedData where \fB\s-1PKCS7_DETACHED\s0\fR is also set when \fIPKCS7_sign()\fR is also called. .PP If the \fB\s-1PKCS7_TEXT\s0\fR flag is set \s-1MIME\s0 headers for type \fBtext/plain\fR are added to the content, this only makes sense if \fB\s-1PKCS7_DETACHED\s0\fR is also set. .PP If the \fB\s-1PKCS7_STREAM\s0\fR flag is set streaming is performed. This flag should only be set if \fB\s-1PKCS7_STREAM\s0\fR was also set in the previous call to \&\fIPKCS7_sign()\fR or \fB\f(BIPKCS7_encrypt()\fB\fR. .PP If cleartext signing is being used and \fB\s-1PKCS7_STREAM\s0\fR not set then the data must be read twice: once to compute the signature in \fIPKCS7_sign()\fR and once to output the S/MIME message. .PP If streaming is performed the content is output in \s-1BER\s0 format using indefinite length constructuted encoding except in the case of signed data with detached content where the content is absent and \s-1DER\s0 format is used. .SH "BUGS" .IX Header "BUGS" \&\fISMIME_write_PKCS7()\fR always base64 encodes PKCS#7 structures, there should be an option to disable this. .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fISMIME_write_PKCS7()\fR returns 1 for success or 0 for failure. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fIERR_get_error\fR\|(3), \fIPKCS7_sign\fR\|(3), \&\fIPKCS7_verify\fR\|(3), \fIPKCS7_encrypt\fR\|(3) \&\fIPKCS7_decrypt\fR\|(3) .SH "HISTORY" .IX Header "HISTORY" \&\fISMIME_write_PKCS7()\fR was added to OpenSSL 0.9.5