From b1ddde874c215cc8891531ed92876f091b7eb83e Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Mon, 14 Apr 2025 17:32:06 +0000 Subject: This commit was manufactured by cvs2git to create tag 'tb_20250414'. --- src/lib/libcrypto/man/EVP_DigestSignInit.3 | 243 ----------------------------- 1 file changed, 243 deletions(-) delete mode 100644 src/lib/libcrypto/man/EVP_DigestSignInit.3 (limited to 'src/lib/libcrypto/man/EVP_DigestSignInit.3') diff --git a/src/lib/libcrypto/man/EVP_DigestSignInit.3 b/src/lib/libcrypto/man/EVP_DigestSignInit.3 deleted file mode 100644 index caf519e28c..0000000000 --- a/src/lib/libcrypto/man/EVP_DigestSignInit.3 +++ /dev/null @@ -1,243 +0,0 @@ -.\" $OpenBSD: EVP_DigestSignInit.3,v 1.15 2024/12/06 14:27:49 schwarze Exp $ -.\" full merge up to: OpenSSL 28428130 Apr 17 15:18:40 2018 +0200 -.\" selective merge up to: OpenSSL 6328d367 Jul 4 21:58:30 2020 +0200 -.\" -.\" This file was written by Dr. Stephen Henson . -.\" Copyright (c) 2006, 2009, 2015, 2016, 2017 The OpenSSL Project. -.\" All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in -.\" the documentation and/or other materials provided with the -.\" distribution. -.\" -.\" 3. All advertising materials mentioning features or use of this -.\" software must display the following acknowledgment: -.\" "This product includes software developed by the OpenSSL Project -.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" -.\" -.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to -.\" endorse or promote products derived from this software without -.\" prior written permission. For written permission, please contact -.\" openssl-core@openssl.org. -.\" -.\" 5. Products derived from this software may not be called "OpenSSL" -.\" nor may "OpenSSL" appear in their names without prior written -.\" permission of the OpenSSL Project. -.\" -.\" 6. Redistributions of any form whatsoever must retain the following -.\" acknowledgment: -.\" "This product includes software developed by the OpenSSL Project -.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY -.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR -.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED -.\" OF THE POSSIBILITY OF SUCH DAMAGE. -.\" -.Dd $Mdocdate: December 6 2024 $ -.Dt EVP_DIGESTSIGNINIT 3 -.Os -.Sh NAME -.Nm EVP_DigestSignInit , -.Nm EVP_DigestSignUpdate , -.Nm EVP_DigestSignFinal , -.Nm EVP_DigestSign -.Nd EVP signing functions -.Sh SYNOPSIS -.In openssl/evp.h -.Ft int -.Fo EVP_DigestSignInit -.Fa "EVP_MD_CTX *ctx" -.Fa "EVP_PKEY_CTX **pctx" -.Fa "const EVP_MD *type" -.Fa "ENGINE *engine" -.Fa "EVP_PKEY *pkey" -.Fc -.Ft int -.Fo EVP_DigestSignUpdate -.Fa "EVP_MD_CTX *ctx" -.Fa "const void *d" -.Fa "size_t cnt" -.Fc -.Ft int -.Fo EVP_DigestSignFinal -.Fa "EVP_MD_CTX *ctx" -.Fa "unsigned char *sig" -.Fa "size_t *siglen" -.Fc -.Ft int -.Fo EVP_DigestSign -.Fa "EVP_MD_CTX *ctx" -.Fa "unsigned char *sigret" -.Fa "size_t *siglen" -.Fa "const unsigned char *tbs" -.Fa "size_t tbslen" -.Fc -.Sh DESCRIPTION -The EVP signature routines are a high-level interface to digital -signatures. -.Pp -.Fn EVP_DigestSignInit -sets up the signing context -.Fa ctx -to use the digest -.Fa type -and the private key -.Fa pkey . -Before calling this function, obtain -.Fa ctx -from -.Xr EVP_MD_CTX_new 3 -or call -.Xr EVP_MD_CTX_reset 3 -on it. -The -.Fa engine -argument is always ignored and passing -.Dv NULL -is recommended. -.Pp -If -.Fa pctx -is not -.Dv NULL , -any pointer passed in as -.Pf * Fa pctx -is ignored and overwritten by an internal pointer to the -.Vt EVP_PKEY_CTX -used by the signing operation: -this can be used to set alternative signing options. -The returned -.Vt EVP_PKEY_CTX -must not be freed by the application. -It is freed automatically when the -.Vt EVP_MD_CTX -is freed. -.Pp -.Fn EVP_DigestSignUpdate -hashes -.Fa cnt -bytes of data at -.Fa d -into the signature context -.Fa ctx . -This function can be called several times on the same -.Fa ctx -to include additional data. -This function is currently implemented using a macro. -.Pp -.Fn EVP_DigestSignFinal -signs the data in -.Fa ctx -and places the signature in -.Fa sig . -If -.Fa sig -is -.Dv NULL , -then the maximum size of the output buffer is written to -.Pf * Fa siglen . -If -.Fa sig -is not -.Dv NULL , -then before the call -.Fa siglen -should contain the length of the -.Fa sig -buffer. -If the call is successful, the signature is written to -.Fa sig -and the amount of data written to -.Fa siglen . -.Pp -.Fn EVP_DigestSign -signs -.Fa tbslen -bytes of data at -.Fa tbs -and places the signature in -.Fa sigret -and its length in -.Fa siglen -in a similar way to -.Fn EVP_DigestSignFinal . -.Fn EVP_DigestSign -is a one shot operation which signs a single block of data -with one function call. -For algorithms that support streaming it is equivalent to calling -.Fn EVP_DigestSignUpdate -and -.Fn EVP_DigestSignFinal . -.\" For algorithms which do not support streaming -.\" (e.g. PureEdDSA) -.\" it is the only way to sign data. -.Pp -The EVP interface to digital signatures should almost always be -used in preference to the low-level interfaces. -This is because the code then becomes transparent to the algorithm used -and much more flexible. -.Pp -The call to -.Fn EVP_DigestSignFinal -internally finalizes a copy of the digest context. -This means that -.Fn EVP_DigestSignUpdate -and -.Fn EVP_DigestSignFinal -can be called later to digest and sign additional data. -.Pp -Since only a copy of the digest context is ever finalized, the context -must be cleaned up after use by calling -.Xr EVP_MD_CTX_free 3 , -or a memory leak will occur. -.Pp -The use of -.Xr EVP_PKEY_size 3 -with these functions is discouraged because some signature operations -may have a signature length which depends on the parameters set. -As a result, -.Xr EVP_PKEY_size 3 -would have to return a value which indicates the maximum possible -signature for any set of parameters. -.Sh RETURN VALUES -.Fn EVP_DigestSignInit , -.Fn EVP_DigestSignUpdate , -.Fn EVP_DigestSignFinal , -and -.Fn EVP_DigestSign -return 1 for success and 0 for failure. -.Pp -The error codes can be obtained from -.Xr ERR_get_error 3 . -.Sh SEE ALSO -.Xr evp 3 , -.Xr EVP_DigestInit 3 , -.Xr EVP_DigestVerifyInit 3 -.Sh HISTORY -.Fn EVP_DigestSignInit , -.Fn EVP_DigestSignUpdate , -and -.Fn EVP_DigestSignFinal -first appeared in OpenSSL 1.0.0 and have been available since -.Ox 4.9 . -.Pp -.Fn EVP_DigestSign -first appeared in OpenSSL 1.1.1 and has been available since -.Ox 7.0 . -- cgit v1.2.3-55-g6feb