diff options
Diffstat (limited to '')
| -rw-r--r-- | src/lib/libcrypto/man/EVP_DigestVerifyInit.3 | 68 |
1 files changed, 59 insertions, 9 deletions
diff --git a/src/lib/libcrypto/man/EVP_DigestVerifyInit.3 b/src/lib/libcrypto/man/EVP_DigestVerifyInit.3 index d0e777faed..e92b21fd4e 100644 --- a/src/lib/libcrypto/man/EVP_DigestVerifyInit.3 +++ b/src/lib/libcrypto/man/EVP_DigestVerifyInit.3 | |||
| @@ -1,6 +1,55 @@ | |||
| 1 | .\" $OpenBSD: EVP_DigestVerifyInit.3,v 1.2 2016/11/06 15:52:50 jmc Exp $ | 1 | .\" $OpenBSD: EVP_DigestVerifyInit.3,v 1.3 2016/11/26 17:40:58 schwarze Exp $ |
| 2 | .\" OpenSSL fb552ac6 Sep 30 23:43:01 2009 +0000 | ||
| 2 | .\" | 3 | .\" |
| 3 | .Dd $Mdocdate: November 6 2016 $ | 4 | .\" This file was written by Dr. Stephen Henson <steve@openssl.org>. |
| 5 | .\" Copyright (c) 2006, 2009, 2014, 2015, 2016 The OpenSSL Project. | ||
| 6 | .\" All rights reserved. | ||
| 7 | .\" | ||
| 8 | .\" Redistribution and use in source and binary forms, with or without | ||
| 9 | .\" modification, are permitted provided that the following conditions | ||
| 10 | .\" are met: | ||
| 11 | .\" | ||
| 12 | .\" 1. Redistributions of source code must retain the above copyright | ||
| 13 | .\" notice, this list of conditions and the following disclaimer. | ||
| 14 | .\" | ||
| 15 | .\" 2. Redistributions in binary form must reproduce the above copyright | ||
| 16 | .\" notice, this list of conditions and the following disclaimer in | ||
| 17 | .\" the documentation and/or other materials provided with the | ||
| 18 | .\" distribution. | ||
| 19 | .\" | ||
| 20 | .\" 3. All advertising materials mentioning features or use of this | ||
| 21 | .\" software must display the following acknowledgment: | ||
| 22 | .\" "This product includes software developed by the OpenSSL Project | ||
| 23 | .\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
| 24 | .\" | ||
| 25 | .\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 26 | .\" endorse or promote products derived from this software without | ||
| 27 | .\" prior written permission. For written permission, please contact | ||
| 28 | .\" openssl-core@openssl.org. | ||
| 29 | .\" | ||
| 30 | .\" 5. Products derived from this software may not be called "OpenSSL" | ||
| 31 | .\" nor may "OpenSSL" appear in their names without prior written | ||
| 32 | .\" permission of the OpenSSL Project. | ||
| 33 | .\" | ||
| 34 | .\" 6. Redistributions of any form whatsoever must retain the following | ||
| 35 | .\" acknowledgment: | ||
| 36 | .\" "This product includes software developed by the OpenSSL Project | ||
| 37 | .\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
| 38 | .\" | ||
| 39 | .\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 40 | .\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 41 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 42 | .\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 43 | .\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 44 | .\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 45 | .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 46 | .\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 47 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 48 | .\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 49 | .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 50 | .\" OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 51 | .\" | ||
| 52 | .Dd $Mdocdate: November 26 2016 $ | ||
| 4 | .Dt EVP_DIGESTVERIFYINIT 3 | 53 | .Dt EVP_DIGESTVERIFYINIT 3 |
| 5 | .Os | 54 | .Os |
| 6 | .Sh NAME | 55 | .Sh NAME |
| @@ -22,7 +71,7 @@ | |||
| 22 | .Fo EVP_DigestVerifyUpdate | 71 | .Fo EVP_DigestVerifyUpdate |
| 23 | .Fa "EVP_MD_CTX *ctx" | 72 | .Fa "EVP_MD_CTX *ctx" |
| 24 | .Fa "const void *d" | 73 | .Fa "const void *d" |
| 25 | .Fa "unsigned int cnt" | 74 | .Fa "size_t cnt" |
| 26 | .Fc | 75 | .Fc |
| 27 | .Ft int | 76 | .Ft int |
| 28 | .Fo EVP_DigestVerifyFinal | 77 | .Fo EVP_DigestVerifyFinal |
| @@ -94,7 +143,7 @@ discouraged. | |||
| 94 | The call to | 143 | The call to |
| 95 | .Fn EVP_DigestVerifyFinal | 144 | .Fn EVP_DigestVerifyFinal |
| 96 | internally finalizes a copy of the digest context. | 145 | internally finalizes a copy of the digest context. |
| 97 | This means that calls to | 146 | This means that |
| 98 | .Xr EVP_VerifyUpdate 3 | 147 | .Xr EVP_VerifyUpdate 3 |
| 99 | and | 148 | and |
| 100 | .Xr EVP_VerifyFinal 3 | 149 | .Xr EVP_VerifyFinal 3 |
| @@ -112,12 +161,13 @@ return 1 for success and 0 or a negative value for failure. | |||
| 112 | In particular a return value of -2 indicates the operation is not | 161 | In particular a return value of -2 indicates the operation is not |
| 113 | supported by the public key algorithm. | 162 | supported by the public key algorithm. |
| 114 | .Pp | 163 | .Pp |
| 115 | Unlike other functions, the return value 0 from | ||
| 116 | .Fn EVP_DigestVerifyFinal | 164 | .Fn EVP_DigestVerifyFinal |
| 117 | only indicates that the signature did not verify successfully. | 165 | returns 1 for success; any other value indicates failure. |
| 118 | That is it did not match the original data or the signature was of | 166 | A return value of 0 indicates that the signature did not verify |
| 119 | invalid form. | 167 | successfully (that is, the signature did not match the original |
| 120 | It is not an indication of a more serious error. | 168 | data or the signature had an invalid form), while other values |
| 169 | indicate a more serious error (and sometimes also indicate an invalid | ||
| 170 | signature form). | ||
| 121 | .Pp | 171 | .Pp |
| 122 | The error codes can be obtained from | 172 | The error codes can be obtained from |
| 123 | .Xr ERR_get_error 3 . | 173 | .Xr ERR_get_error 3 . |
