diff options
Diffstat (limited to 'secure/lib/libcrypto/man/EVP_VerifyInit.3')
| -rw-r--r-- | secure/lib/libcrypto/man/EVP_VerifyInit.3 | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/secure/lib/libcrypto/man/EVP_VerifyInit.3 b/secure/lib/libcrypto/man/EVP_VerifyInit.3 index 4b45b0cf21e29..eef0a83fa713a 100644 --- a/secure/lib/libcrypto/man/EVP_VerifyInit.3 +++ b/secure/lib/libcrypto/man/EVP_VerifyInit.3 @@ -1,4 +1,4 @@ -.\" Automatically generated by Pod::Man 4.09 (Pod::Simple 3.35) +.\" Automatically generated by Pod::Man 4.10 (Pod::Simple 3.35) .\" .\" Standard preamble: .\" ======================================================================== @@ -54,16 +54,20 @@ .\" Avoid warning from groff about undefined register 'F'. .de IX .. -.if !\nF .nr F 0 -.if \nF>0 \{\ -. de IX -. tm Index:\\$1\t\\n%\t"\\$2" +.nr rF 0 +.if \n(.g .if rF .nr rF 1 +.if (\n(rF:(\n(.g==0)) \{\ +. if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" .. -. if !\nF==2 \{\ -. nr % 0 -. nr F 2 +. if !\nF==2 \{\ +. nr % 0 +. nr F 2 +. \} . \} .\} +.rr rF .\" .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). .\" Fear. Run. Save yourself. No user-serviceable parts. @@ -129,7 +133,7 @@ .\" ======================================================================== .\" .IX Title "EVP_VERIFYINIT 3" -.TH EVP_VERIFYINIT 3 "2018-11-20" "1.1.1a" "OpenSSL" +.TH EVP_VERIFYINIT 3 "2019-02-26" "1.1.1b" "OpenSSL" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l @@ -153,62 +157,62 @@ EVP_VerifyInit_ex, EVP_VerifyInit, EVP_VerifyUpdate, EVP_VerifyFinal \&\- EVP si The \s-1EVP\s0 signature verification routines are a high level interface to digital signatures. .PP -\&\fIEVP_VerifyInit_ex()\fR sets up verification context \fBctx\fR to use digest +\&\fBEVP_VerifyInit_ex()\fR sets up verification context \fBctx\fR to use digest \&\fBtype\fR from \s-1ENGINE\s0 \fBimpl\fR. \fBctx\fR must be created by calling -\&\fIEVP_MD_CTX_new()\fR before calling this function. +\&\fBEVP_MD_CTX_new()\fR before calling this function. .PP -\&\fIEVP_VerifyUpdate()\fR hashes \fBcnt\fR bytes of data at \fBd\fR into the +\&\fBEVP_VerifyUpdate()\fR hashes \fBcnt\fR bytes of data at \fBd\fR into the verification context \fBctx\fR. This function can be called several times on the same \fBctx\fR to include additional data. .PP -\&\fIEVP_VerifyFinal()\fR verifies the data in \fBctx\fR using the public key \fBpkey\fR +\&\fBEVP_VerifyFinal()\fR verifies the data in \fBctx\fR using the public key \fBpkey\fR and against the \fBsiglen\fR bytes at \fBsigbuf\fR. .PP -\&\fIEVP_VerifyInit()\fR initializes verification context \fBctx\fR to use the default +\&\fBEVP_VerifyInit()\fR initializes verification context \fBctx\fR to use the default implementation of digest \fBtype\fR. .SH "RETURN VALUES" .IX Header "RETURN VALUES" -\&\fIEVP_VerifyInit_ex()\fR and \fIEVP_VerifyUpdate()\fR return 1 for success and 0 for +\&\fBEVP_VerifyInit_ex()\fR and \fBEVP_VerifyUpdate()\fR return 1 for success and 0 for failure. .PP -\&\fIEVP_VerifyFinal()\fR returns 1 for a correct signature, 0 for failure and \-1 if some +\&\fBEVP_VerifyFinal()\fR returns 1 for a correct signature, 0 for failure and \-1 if some other error occurred. .PP -The error codes can be obtained by \fIERR_get_error\fR\|(3). +The error codes can be obtained by \fBERR_get_error\fR\|(3). .SH "NOTES" .IX Header "NOTES" The \fB\s-1EVP\s0\fR 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 \fIEVP_VerifyFinal()\fR internally finalizes a copy of the digest context. -This means that calls to \fIEVP_VerifyUpdate()\fR and \fIEVP_VerifyFinal()\fR can be called +The call to \fBEVP_VerifyFinal()\fR internally finalizes a copy of the digest context. +This means that calls to \fBEVP_VerifyUpdate()\fR and \fBEVP_VerifyFinal()\fR can be called later to digest and verify additional data. .PP Since only a copy of the digest context is ever finalized the context must -be cleaned up after use by calling \fIEVP_MD_CTX_free()\fR or a memory leak +be cleaned up after use by calling \fBEVP_MD_CTX_free()\fR or a memory leak will occur. .SH "BUGS" .IX Header "BUGS" Older versions of this documentation wrongly stated that calls to -\&\fIEVP_VerifyUpdate()\fR could not be made after calling \fIEVP_VerifyFinal()\fR. +\&\fBEVP_VerifyUpdate()\fR could not be made after calling \fBEVP_VerifyFinal()\fR. .PP -Since the public key is passed in the call to \fIEVP_SignFinal()\fR any error +Since the public key is passed in the call to \fBEVP_SignFinal()\fR any error relating to the private key (for example an unsuitable key and digest combination) will not be indicated until after potentially large amounts of -data have been passed through \fIEVP_SignUpdate()\fR. +data have been passed through \fBEVP_SignUpdate()\fR. .PP It is not possible to change the signing parameters using these function. .PP The previous two bugs are fixed in the newer EVP_VerifyDigest*() function. .SH "SEE ALSO" .IX Header "SEE ALSO" -\&\fIevp\fR\|(7), -\&\fIEVP_SignInit\fR\|(3), -\&\fIEVP_DigestInit\fR\|(3), -\&\fIevp\fR\|(7), \s-1\fIHMAC\s0\fR\|(3), \s-1\fIMD2\s0\fR\|(3), -\&\s-1\fIMD5\s0\fR\|(3), \s-1\fIMDC2\s0\fR\|(3), \s-1\fIRIPEMD160\s0\fR\|(3), -\&\s-1\fISHA1\s0\fR\|(3), \fIdgst\fR\|(1) +\&\fBevp\fR\|(7), +\&\fBEVP_SignInit\fR\|(3), +\&\fBEVP_DigestInit\fR\|(3), +\&\fBevp\fR\|(7), \s-1\fBHMAC\s0\fR\|(3), \s-1\fBMD2\s0\fR\|(3), +\&\s-1\fBMD5\s0\fR\|(3), \s-1\fBMDC2\s0\fR\|(3), \s-1\fBRIPEMD160\s0\fR\|(3), +\&\s-1\fBSHA1\s0\fR\|(3), \fBdgst\fR\|(1) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2000\-2018 The OpenSSL Project Authors. All Rights Reserved. |