diff options
Diffstat (limited to 'secure/lib/libcrypto/man/DSA_sign.3')
| -rw-r--r-- | secure/lib/libcrypto/man/DSA_sign.3 | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/secure/lib/libcrypto/man/DSA_sign.3 b/secure/lib/libcrypto/man/DSA_sign.3 index 4f6298307b6d..120a1a325fe7 100644 --- a/secure/lib/libcrypto/man/DSA_sign.3 +++ b/secure/lib/libcrypto/man/DSA_sign.3 @@ -128,8 +128,8 @@ .rm #[ #] #H #V #F C .\" ======================================================================== .\" -.IX Title "DSA_sign 3" -.TH DSA_sign 3 "2018-08-14" "1.0.2p" "OpenSSL" +.IX Title "DSA_SIGN 3" +.TH DSA_SIGN 3 "2018-09-11" "1.1.1" "OpenSSL" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l @@ -141,13 +141,12 @@ DSA_sign, DSA_sign_setup, DSA_verify \- DSA signatures .Vb 1 \& #include <openssl/dsa.h> \& -\& int DSA_sign(int type, const unsigned char *dgst, int len, -\& unsigned char *sigret, unsigned int *siglen, DSA *dsa); +\& int DSA_sign(int type, const unsigned char *dgst, int len, +\& unsigned char *sigret, unsigned int *siglen, DSA *dsa); \& -\& int DSA_sign_setup(DSA *dsa, BN_CTX *ctx, BIGNUM **kinvp, -\& BIGNUM **rp); +\& int DSA_sign_setup(DSA *dsa, BN_CTX *ctx, BIGNUM **kinvp, BIGNUM **rp); \& -\& int DSA_verify(int type, const unsigned char *dgst, int len, +\& int DSA_verify(int type, const unsigned char *dgst, int len, \& unsigned char *sigbuf, int siglen, DSA *dsa); .Ve .SH "DESCRIPTION" @@ -157,17 +156,12 @@ digest \fBdgst\fR using the private key \fBdsa\fR and places its \s-1ASN.1 DER\s encoding at \fBsigret\fR. The length of the signature is places in *\fBsiglen\fR. \fBsigret\fR must point to DSA_size(\fBdsa\fR) bytes of memory. .PP -\&\fIDSA_sign_setup()\fR may be used to precompute part of the signing -operation in case signature generation is time-critical. It expects -\&\fBdsa\fR to contain \s-1DSA\s0 parameters. It places the precomputed values -in newly allocated \fB\s-1BIGNUM\s0\fRs at *\fBkinvp\fR and *\fBrp\fR, after freeing -the old ones unless *\fBkinvp\fR and *\fBrp\fR are \s-1NULL.\s0 These values may -be passed to \fIDSA_sign()\fR in \fBdsa\->kinv\fR and \fBdsa\->r\fR. -\&\fBctx\fR is a pre-allocated \fB\s-1BN_CTX\s0\fR or \s-1NULL.\s0 -The precomputed values from \fIDSA_sign_setup()\fR \fB\s-1MUST NOT\s0 be used\fR for -more than one signature: using the same \fBdsa\->kinv\fR and -\&\fBdsa\->r\fR pair twice under the same private key on different -plaintexts will result in permanently exposing the \s-1DSA\s0 private key. +\&\fIDSA_sign_setup()\fR is defined only for backward binary compatibility and +should not be used. +Since OpenSSL 1.1.0 the \s-1DSA\s0 type is opaque and the output of +\&\fIDSA_sign_setup()\fR cannot be used anyway: calling this function will only +cause overhead, and does not affect the actual signature +(pre\-)computation. .PP \&\fIDSA_verify()\fR verifies that the signature \fBsigbuf\fR of size \fBsiglen\fR matches a given message digest \fBdgst\fR of size \fBlen\fR. @@ -189,9 +183,13 @@ signature and \-1 on error. The error codes can be obtained by Standard, \s-1DSS\s0), \s-1ANSI X9.30\s0 .SH "SEE ALSO" .IX Header "SEE ALSO" -\&\fIdsa\fR\|(3), \fIERR_get_error\fR\|(3), \fIrand\fR\|(3), +\&\fIDSA_new\fR\|(3), \fIERR_get_error\fR\|(3), \fIRAND_bytes\fR\|(3), \&\fIDSA_do_sign\fR\|(3) -.SH "HISTORY" -.IX Header "HISTORY" -\&\fIDSA_sign()\fR and \fIDSA_verify()\fR are available in all versions of SSLeay. -\&\fIDSA_sign_setup()\fR was added in SSLeay 0.8. +.SH "COPYRIGHT" +.IX Header "COPYRIGHT" +Copyright 2000\-2018 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>. |