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[dragonfly.git] / secure / lib / libcrypto / man / RSA_sign_ASN1_OCTET_STRING.3
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80.\" If the F register is turned on, we'll generate
81.\" index entries out stderr for the following things:
82.\" TH Title
83.\" SH Header
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96.TH RSA_sign_ASN1_OCTET_STRING 3 "0.9.7d" "2/Sep/2004" "OpenSSL"
97.UC
98.if n .hy 0
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188.\}
189.rm #[ #] #H #V #F C
984263bc 190.SH "NAME"
74dab6c2 191RSA_sign_ASN1_OCTET_STRING, RSA_verify_ASN1_OCTET_STRING \- RSA signatures
984263bc 192.SH "SYNOPSIS"
74dab6c2 193.PP
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194.Vb 1
195\& #include <openssl/rsa.h>
196.Ve
197.Vb 3
198\& int RSA_sign_ASN1_OCTET_STRING(int dummy, unsigned char *m,
199\& unsigned int m_len, unsigned char *sigret, unsigned int *siglen,
200\& RSA *rsa);
201.Ve
202.Vb 3
203\& int RSA_verify_ASN1_OCTET_STRING(int dummy, unsigned char *m,
204\& unsigned int m_len, unsigned char *sigbuf, unsigned int siglen,
205\& RSA *rsa);
206.Ve
207.SH "DESCRIPTION"
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208\fIRSA_sign_ASN1_OCTET_STRING()\fR signs the octet string \fBm\fR of size
209\fBm_len\fR using the private key \fBrsa\fR represented in DER using PKCS #1
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210padding. It stores the signature in \fBsigret\fR and the signature size
211in \fBsiglen\fR. \fBsigret\fR must point to \fBRSA_size(rsa)\fR bytes of
212memory.
213.PP
74dab6c2 214\fBdummy\fR is ignored.
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215.PP
216The random number generator must be seeded prior to calling \fIRSA_sign_ASN1_OCTET_STRING()\fR.
217.PP
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218\fIRSA_verify_ASN1_OCTET_STRING()\fR verifies that the signature \fBsigbuf\fR
219of size \fBsiglen\fR is the DER representation of a given octet string
220\fBm\fR of size \fBm_len\fR. \fBdummy\fR is ignored. \fBrsa\fR is the signer's
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221public key.
222.SH "RETURN VALUES"
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223\fIRSA_sign_ASN1_OCTET_STRING()\fR returns 1 on success, 0 otherwise.
224\fIRSA_verify_ASN1_OCTET_STRING()\fR returns 1 on successful verification, 0
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225otherwise.
226.PP
227The error codes can be obtained by ERR_get_error(3).
228.SH "BUGS"
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229These functions serve no recognizable purpose.
230.SH "SEE ALSO"
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231ERR_get_error(3), objects(3),
232rand(3), rsa(3), RSA_sign(3),
233RSA_verify(3)
234.SH "HISTORY"
74dab6c2 235\fIRSA_sign_ASN1_OCTET_STRING()\fR and \fIRSA_verify_ASN1_OCTET_STRING()\fR were
984263bc 236added in SSLeay 0.8.
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237
238.rn }` ''
239.IX Title "RSA_sign_ASN1_OCTET_STRING 3"
240.IX Name "RSA_sign_ASN1_OCTET_STRING, RSA_verify_ASN1_OCTET_STRING - RSA signatures"
241
242.IX Header "NAME"
243
244.IX Header "SYNOPSIS"
245
246.IX Header "DESCRIPTION"
247
248.IX Header "RETURN VALUES"
249
250.IX Header "BUGS"
251
252.IX Header "SEE ALSO"
253
254.IX Header "HISTORY"
255