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124 | .\" ======================================================================== |
125 | .\" | |
126 | .IX Title "RSA_sign_ASN1_OCTET_STRING 3" | |
e3261593 | 127 | .TH RSA_sign_ASN1_OCTET_STRING 3 "2012-01-04" "1.0.0f" "OpenSSL" |
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128 | .\" For nroff, turn off justification. Always turn off hyphenation; it makes |
129 | .\" way too many mistakes in technical documents. | |
130 | .if n .ad l | |
131 | .nh | |
984263bc | 132 | .SH "NAME" |
74dab6c2 | 133 | RSA_sign_ASN1_OCTET_STRING, RSA_verify_ASN1_OCTET_STRING \- RSA signatures |
984263bc | 134 | .SH "SYNOPSIS" |
8b0cefbb | 135 | .IX Header "SYNOPSIS" |
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136 | .Vb 1 |
137 | \& #include <openssl/rsa.h> | |
e257b235 | 138 | \& |
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139 | \& int RSA_sign_ASN1_OCTET_STRING(int dummy, unsigned char *m, |
140 | \& unsigned int m_len, unsigned char *sigret, unsigned int *siglen, | |
141 | \& RSA *rsa); | |
e257b235 | 142 | \& |
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143 | \& int RSA_verify_ASN1_OCTET_STRING(int dummy, unsigned char *m, |
144 | \& unsigned int m_len, unsigned char *sigbuf, unsigned int siglen, | |
145 | \& RSA *rsa); | |
146 | .Ve | |
147 | .SH "DESCRIPTION" | |
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148 | .IX Header "DESCRIPTION" |
149 | \&\fIRSA_sign_ASN1_OCTET_STRING()\fR signs the octet string \fBm\fR of size | |
150 | \&\fBm_len\fR using the private key \fBrsa\fR represented in \s-1DER\s0 using \s-1PKCS\s0 #1 | |
984263bc MD |
151 | padding. It stores the signature in \fBsigret\fR and the signature size |
152 | in \fBsiglen\fR. \fBsigret\fR must point to \fBRSA_size(rsa)\fR bytes of | |
153 | memory. | |
154 | .PP | |
8b0cefbb | 155 | \&\fBdummy\fR is ignored. |
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156 | .PP |
157 | The random number generator must be seeded prior to calling \fIRSA_sign_ASN1_OCTET_STRING()\fR. | |
158 | .PP | |
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159 | \&\fIRSA_verify_ASN1_OCTET_STRING()\fR verifies that the signature \fBsigbuf\fR |
160 | of size \fBsiglen\fR is the \s-1DER\s0 representation of a given octet string | |
161 | \&\fBm\fR of size \fBm_len\fR. \fBdummy\fR is ignored. \fBrsa\fR is the signer's | |
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162 | public key. |
163 | .SH "RETURN VALUES" | |
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164 | .IX Header "RETURN VALUES" |
165 | \&\fIRSA_sign_ASN1_OCTET_STRING()\fR returns 1 on success, 0 otherwise. | |
166 | \&\fIRSA_verify_ASN1_OCTET_STRING()\fR returns 1 on successful verification, 0 | |
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167 | otherwise. |
168 | .PP | |
8b0cefbb | 169 | The error codes can be obtained by \fIERR_get_error\fR\|(3). |
984263bc | 170 | .SH "BUGS" |
8b0cefbb | 171 | .IX Header "BUGS" |
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172 | These functions serve no recognizable purpose. |
173 | .SH "SEE ALSO" | |
74dab6c2 | 174 | .IX Header "SEE ALSO" |
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175 | \&\fIERR_get_error\fR\|(3), \fIobjects\fR\|(3), |
176 | \&\fIrand\fR\|(3), \fIrsa\fR\|(3), \fIRSA_sign\fR\|(3), | |
177 | \&\fIRSA_verify\fR\|(3) | |
178 | .SH "HISTORY" | |
74dab6c2 | 179 | .IX Header "HISTORY" |
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180 | \&\fIRSA_sign_ASN1_OCTET_STRING()\fR and \fIRSA_verify_ASN1_OCTET_STRING()\fR were |
181 | added in SSLeay 0.8. |