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Diffstat (limited to 'secure/lib/libcrypto/man/man3/PKCS7_decrypt.3')
| -rw-r--r-- | secure/lib/libcrypto/man/man3/PKCS7_decrypt.3 | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/man3/PKCS7_decrypt.3 b/secure/lib/libcrypto/man/man3/PKCS7_decrypt.3 new file mode 100644 index 000000000000..fe851a464d0c --- /dev/null +++ b/secure/lib/libcrypto/man/man3/PKCS7_decrypt.3 @@ -0,0 +1,187 @@ +.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.39) +.\" +.\" Standard preamble: +.\" ======================================================================== +.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. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +PKCS7_decrypt \- decrypt content from a PKCS#7 envelopedData structure +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/pkcs7.h> +\& +\& int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fBPKCS7_decrypt()\fR extracts and decrypts the content from a PKCS#7 envelopedData +structure. \fBpkey\fR is the private key of the recipient, \fBcert\fR is the +recipients certificate, \fBdata\fR is a \s-1BIO\s0 to write the content to and +\&\fBflags\fR is an optional set of flags. +.SH "NOTES" +.IX Header "NOTES" +Although the recipients certificate is not needed to decrypt the data it is needed +to locate the appropriate (of possible several) recipients in the PKCS#7 structure. +.PP +The following flags can be passed in the \fBflags\fR parameter. +.PP +If the \fB\s-1PKCS7_TEXT\s0\fR flag is set \s-1MIME\s0 headers for type \fBtext/plain\fR are deleted +from the content. If the content is not of type \fBtext/plain\fR then an error is +returned. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fBPKCS7_decrypt()\fR returns either 1 for success or 0 for failure. +The error can be obtained from \fBERR_get_error\fR\|(3) +.SH "BUGS" +.IX Header "BUGS" +\&\fBPKCS7_decrypt()\fR must be passed the correct recipient key and certificate. It would +be better if it could look up the correct key and certificate from a database. +.PP +The lack of single pass processing and need to hold all data in memory as +mentioned in \fBPKCS7_sign()\fR also applies to \fBPKCS7_verify()\fR. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fBERR_get_error\fR\|(3), \fBPKCS7_encrypt\fR\|(3) +.SH "COPYRIGHT" +.IX Header "COPYRIGHT" +Copyright 2002\-2016 The OpenSSL Project Authors. All Rights Reserved. +.PP +Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use +this file except in compliance with the License. You can obtain a copy +in the file \s-1LICENSE\s0 in the source distribution or at +<https://www.openssl.org/source/license.html>. |