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Edit File : RSA_sign_ASN1_OCTET_STRING.3 \| Size : 6.22 KB
.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.35) .\" .\" 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" RSA_sign_ASN1_OCTET_STRING, RSA_verify_ASN1_OCTET_STRING \- RSA signatures .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/rsa.h> \& \& int RSA_sign_ASN1_OCTET_STRING(int dummy, unsigned char m, \& unsigned int m_len, unsigned char sigret, \& unsigned int siglen, RSA rsa); \& \& int RSA_verify_ASN1_OCTET_STRING(int dummy, unsigned char m, \& unsigned int m_len, unsigned char sigbuf, \& unsigned int siglen, RSA rsa); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBRSA_sign_ASN1_OCTET_STRING()\fR signs the octet string \fBm\fR of size \&\fBm_len\fR using the private key \fBrsa\fR represented in \s-1DER\s0 using \s-1PKCS\s0 #1 padding. It stores the signature in \fBsigret\fR and the signature size in \fBsiglen\fR. \fBsigret\fR must point to \fBRSA_size(rsa)\fR bytes of memory. .PP \&\fBdummy\fR is ignored. .PP The random number generator must be seeded when calling \&\fBRSA_sign_ASN1_OCTET_STRING()\fR. If the automatic seeding or reseeding of the OpenSSL \s-1CSPRNG\s0 fails due to external circumstances (see \s-1\fBRAND\s0\fR\\|(7)), the operation will fail. .PP \&\fBRSA_verify_ASN1_OCTET_STRING()\fR verifies that the signature \fBsigbuf\fR of size \fBsiglen\fR is the \s-1DER\s0 representation of a given octet string \&\fBm\fR of size \fBm_len\fR. \fBdummy\fR is ignored. \fBrsa\fR is the signer's public key. .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fBRSA_sign_ASN1_OCTET_STRING()\fR returns 1 on success, 0 otherwise. \&\fBRSA_verify_ASN1_OCTET_STRING()\fR returns 1 on successful verification, 0 otherwise. .PP The error codes can be obtained by \fBERR_get_error\fR\\|(3). .SH "BUGS" .IX Header "BUGS" These functions serve no recognizable purpose. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBERR_get_error\fR\\|(3), \&\fBRAND_bytes\fR\\|(3), \fBRSA_sign\fR\\|(3), \&\fBRSA_verify\fR\\|(3), \&\s-1\fBRAND\s0\fR\\|(7) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2000\-2019 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>. Back

Edit File : RSA_sign_ASN1_OCTET_STRING.3 | Size : 6.22 KB

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.\" give a nicer C++.  Capital omega is used to do unbreakable dashes and
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.\"
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.\" ========================================================================
.\"
.IX Title "RSA_SIGN_ASN1_OCTET_STRING 3"
.TH RSA_SIGN_ASN1_OCTET_STRING 3 "2023-09-11" "1.1.1w" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
RSA_sign_ASN1_OCTET_STRING, RSA_verify_ASN1_OCTET_STRING \- RSA signatures
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/rsa.h>
\&
\& int RSA_sign_ASN1_OCTET_STRING(int dummy, unsigned char *m,
\&                                unsigned int m_len, unsigned char *sigret,
\&                                unsigned int *siglen, RSA *rsa);
\&
\& int RSA_verify_ASN1_OCTET_STRING(int dummy, unsigned char *m,
\&                                  unsigned int m_len, unsigned char *sigbuf,
\&                                  unsigned int siglen, RSA *rsa);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBRSA_sign_ASN1_OCTET_STRING()\fR signs the octet string \fBm\fR of size
\&\fBm_len\fR using the private key \fBrsa\fR represented in \s-1DER\s0 using \s-1PKCS\s0 #1
padding. It stores the signature in \fBsigret\fR and the signature size
in \fBsiglen\fR. \fBsigret\fR must point to \fBRSA_size(rsa)\fR bytes of
memory.
.PP
\&\fBdummy\fR is ignored.
.PP
The random number generator must be seeded when calling
\&\fBRSA_sign_ASN1_OCTET_STRING()\fR.
If the automatic seeding or reseeding of the OpenSSL \s-1CSPRNG\s0 fails due to
external circumstances (see \s-1\fBRAND\s0\fR\|(7)), the operation will fail.
.PP
\&\fBRSA_verify_ASN1_OCTET_STRING()\fR verifies that the signature \fBsigbuf\fR
of size \fBsiglen\fR is the \s-1DER\s0 representation of a given octet string
\&\fBm\fR of size \fBm_len\fR. \fBdummy\fR is ignored. \fBrsa\fR is the signer's
public key.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBRSA_sign_ASN1_OCTET_STRING()\fR returns 1 on success, 0 otherwise.
\&\fBRSA_verify_ASN1_OCTET_STRING()\fR returns 1 on successful verification, 0
otherwise.
.PP
The error codes can be obtained by \fBERR_get_error\fR\|(3).
.SH "BUGS"
.IX Header "BUGS"
These functions serve no recognizable purpose.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBERR_get_error\fR\|(3),
\&\fBRAND_bytes\fR\|(3), \fBRSA_sign\fR\|(3),
\&\fBRSA_verify\fR\|(3),
\&\s-1\fBRAND\s0\fR\|(7)
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2000\-2019 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>.

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