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Diffstat (limited to 'secure/lib/libcrypto/man/RSA_public_encrypt.3')
-rw-r--r-- | secure/lib/libcrypto/man/RSA_public_encrypt.3 | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/RSA_public_encrypt.3 b/secure/lib/libcrypto/man/RSA_public_encrypt.3 new file mode 100644 index 0000000..c432db0 --- /dev/null +++ b/secure/lib/libcrypto/man/RSA_public_encrypt.3 @@ -0,0 +1,203 @@ +.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.14 +.\" +.\" 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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This currently is the most widely used mode. +.IP "\s-1RSA_PKCS1_OAEP_PADDING\s0" 4 +.IX Item "RSA_PKCS1_OAEP_PADDING" +EME-OAEP as defined in \s-1PKCS\s0 #1 v2.0 with \s-1SHA\-1\s0, \s-1MGF1\s0 and an empty +encoding parameter. This mode is recommended for all new applications. +.IP "\s-1RSA_SSLV23_PADDING\s0" 4 +.IX Item "RSA_SSLV23_PADDING" +\&\s-1PKCS\s0 #1 v1.5 padding with an SSL-specific modification that denotes +that the server is \s-1SSL3\s0 capable. +.IP "\s-1RSA_NO_PADDING\s0" 4 +.IX Item "RSA_NO_PADDING" +Raw \s-1RSA\s0 encryption. This mode should \fIonly\fR be used to implement +cryptographically sound padding modes in the application code. +Encrypting user data directly with \s-1RSA\s0 is insecure. +.PP +\&\fBflen\fR must be less than RSA_size(\fBrsa\fR) \- 11 for the \s-1PKCS\s0 #1 v1.5 +based padding modes, less than RSA_size(\fBrsa\fR) \- 41 for +\&\s-1RSA_PKCS1_OAEP_PADDING\s0 and exactly RSA_size(\fBrsa\fR) for \s-1RSA_NO_PADDING\s0. +The random number generator must be seeded prior to calling +\&\fIRSA_public_encrypt()\fR. +.PP +\&\fIRSA_private_decrypt()\fR decrypts the \fBflen\fR bytes at \fBfrom\fR using the +private key \fBrsa\fR and stores the plaintext in \fBto\fR. \fBto\fR must point +to a memory section large enough to hold the decrypted data (which is +smaller than RSA_size(\fBrsa\fR)). \fBpadding\fR is the padding mode that +was used to encrypt the data. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fIRSA_public_encrypt()\fR returns the size of the encrypted data (i.e., +RSA_size(\fBrsa\fR)). \fIRSA_private_decrypt()\fR returns the size of the +recovered plaintext. +.PP +On error, \-1 is returned; the error codes can be +obtained by \fIERR_get_error\fR\|(3). +.SH "CONFORMING TO" +.IX Header "CONFORMING TO" +\&\s-1SSL\s0, \s-1PKCS\s0 #1 v2.0 +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fIERR_get_error\fR\|(3), \fIrand\fR\|(3), \fIrsa\fR\|(3), +\&\fIRSA_size\fR\|(3) +.SH "HISTORY" +.IX Header "HISTORY" +The \fBpadding\fR argument was added in SSLeay 0.8. \s-1RSA_NO_PADDING\s0 is +available since SSLeay 0.9.0, \s-1OAEP\s0 was added in OpenSSL 0.9.2b. |