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Diffstat (limited to 'secure/lib/libcrypto/man/RSA_set_method.3')
| -rw-r--r-- | secure/lib/libcrypto/man/RSA_set_method.3 | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/RSA_set_method.3 b/secure/lib/libcrypto/man/RSA_set_method.3 new file mode 100644 index 0000000..e71dd46 --- /dev/null +++ b/secure/lib/libcrypto/man/RSA_set_method.3 @@ -0,0 +1,311 @@ +.\" Automatically generated by Pod::Man version 1.15 +.\" Thu May 9 13:18:39 2002 +.\" +.\" 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 Ip \" List item +.br +.ie \\n(.$>=3 .ne \\$3 +.el .ne 3 +.IP "\\$1" \\$2 +.. +.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++. Capital omega is used +.\" to do unbreakable dashes and therefore won't be available. \*(C` and +.\" \*(C' expand to `' in nroff, nothing in troff, for use with C<> +.tr \(*W-|\(bv\*(Tr +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +'br\} +.\" +.\" If the F register is turned on, we'll generate index entries on stderr +.\" for titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and +.\" index entries marked with X<> in POD. Of course, you'll have to process +.\" the output yourself in some meaningful fashion. +.if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.\" +.\" For nroff, turn off justification. Always turn off hyphenation; it +.\" makes way too many mistakes in technical documents. +.hy 0 +.if n .na +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. 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By modifying the method, alternative implementations +such as hardware accelerators may be used. +.PP +Initially, the default is to use the OpenSSL internal implementation, +unless OpenSSL was configured with the \f(CW\*(C`rsaref\*(C'\fR or \f(CW\*(C`\-DRSA_NULL\*(C'\fR +options. \fIRSA_PKCS1_SSLeay()\fR returns a pointer to that method. +.PP +\&\fIRSA_PKCS1_RSAref()\fR returns a pointer to a method that uses the RSAref +library. This is the default method in the \f(CW\*(C`rsaref\*(C'\fR configuration; +the function is not available in other configurations. +\&\fIRSA_null_method()\fR returns a pointer to a method that does not support +the \s-1RSA\s0 transformation. It is the default if OpenSSL is compiled with +\&\f(CW\*(C`\-DRSA_NULL\*(C'\fR. These methods may be useful in the \s-1USA\s0 because of a +patent on the \s-1RSA\s0 cryptosystem. +.PP +\&\fIRSA_set_default_method()\fR makes \fBmeth\fR the default method for all \fB\s-1RSA\s0\fR +structures created later. +.PP +\&\fIRSA_get_default_method()\fR returns a pointer to the current default +method. +.PP +\&\fIRSA_set_method()\fR selects \fBmeth\fR for all operations using the key +\&\fBrsa\fR. +.PP +\&\fIRSA_get_method()\fR returns a pointer to the method currently selected +for \fBrsa\fR. +.PP +\&\fIRSA_flags()\fR returns the \fBflags\fR that are set for \fBrsa\fR's current method. +.PP +\&\fIRSA_new_method()\fR allocates and initializes an \fB\s-1RSA\s0\fR structure so that +\&\fBmethod\fR will be used for the \s-1RSA\s0 operations. If \fBmethod\fR is \fB\s-1NULL\s0\fR, +the default method is used. +.SH "THE RSA_METHOD STRUCTURE" +.IX Header "THE RSA_METHOD STRUCTURE" +.Vb 4 +\& typedef struct rsa_meth_st +\& { +\& /* name of the implementation */ +\& const char *name; +.Ve +.Vb 3 +\& /* encrypt */ +\& int (*rsa_pub_enc)(int flen, unsigned char *from, +\& unsigned char *to, RSA *rsa, int padding); +.Ve +.Vb 3 +\& /* verify arbitrary data */ +\& int (*rsa_pub_dec)(int flen, unsigned char *from, +\& unsigned char *to, RSA *rsa, int padding); +.Ve +.Vb 3 +\& /* sign arbitrary data */ +\& int (*rsa_priv_enc)(int flen, unsigned char *from, +\& unsigned char *to, RSA *rsa, int padding); +.Ve +.Vb 3 +\& /* decrypt */ +\& int (*rsa_priv_dec)(int flen, unsigned char *from, +\& unsigned char *to, RSA *rsa, int padding); +.Ve +.Vb 3 +\& /* compute r0 = r0 ^ I mod rsa->n (May be NULL for some +\& implementations) */ +\& int (*rsa_mod_exp)(BIGNUM *r0, BIGNUM *I, RSA *rsa); +.Ve +.Vb 3 +\& /* compute r = a ^ p mod m (May be NULL for some implementations) */ +\& int (*bn_mod_exp)(BIGNUM *r, BIGNUM *a, const BIGNUM *p, +\& const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); +.Ve +.Vb 2 +\& /* called at RSA_new */ +\& int (*init)(RSA *rsa); +.Ve +.Vb 2 +\& /* called at RSA_free */ +\& int (*finish)(RSA *rsa); +.Ve +.Vb 7 +\& /* RSA_FLAG_EXT_PKEY - rsa_mod_exp is called for private key +\& * operations, even if p,q,dmp1,dmq1,iqmp +\& * are NULL +\& * RSA_FLAG_SIGN_VER - enable rsa_sign and rsa_verify +\& * RSA_METHOD_FLAG_NO_CHECK - don't check pub/private match +\& */ +\& int flags; +.Ve +.Vb 1 +\& char *app_data; /* ?? */ +.Ve +.Vb 5 +\& /* sign. For backward compatibility, this is used only +\& * if (flags & RSA_FLAG_SIGN_VER) +\& */ +\& int (*rsa_sign)(int type, unsigned char *m, unsigned int m_len, +\& unsigned char *sigret, unsigned int *siglen, RSA *rsa); +.Ve +.Vb 5 +\& /* verify. For backward compatibility, this is used only +\& * if (flags & RSA_FLAG_SIGN_VER) +\& */ +\& int (*rsa_verify)(int type, unsigned char *m, unsigned int m_len, +\& unsigned char *sigbuf, unsigned int siglen, RSA *rsa); +.Ve +.Vb 1 +\& } RSA_METHOD; +.Ve +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fIRSA_PKCS1_SSLeay()\fR, \fIRSA_PKCS1_RSAref()\fR, \fIRSA_PKCS1_null_method()\fR, +\&\fIRSA_get_default_method()\fR and \fIRSA_get_method()\fR return pointers to the +respective \fB\s-1RSA_METHOD\s0\fRs. +.PP +\&\fIRSA_set_default_method()\fR returns no value. +.PP +\&\fIRSA_set_method()\fR returns a pointer to the \fB\s-1RSA_METHOD\s0\fR previously +associated with \fBrsa\fR. +.PP +\&\fIRSA_new_method()\fR returns \fB\s-1NULL\s0\fR and sets an error code that can be +obtained by ERR_get_error(3) if the allocation fails. Otherwise it +returns a pointer to the newly allocated structure. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +rsa(3), RSA_new(3) +.SH "HISTORY" +.IX Header "HISTORY" +\&\fIRSA_new_method()\fR and \fIRSA_set_default_method()\fR appeared in SSLeay 0.8. +\&\fIRSA_get_default_method()\fR, \fIRSA_set_method()\fR and \fIRSA_get_method()\fR as +well as the rsa_sign and rsa_verify components of \s-1RSA_METHOD\s0 were +added in OpenSSL 0.9.4. |
