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Diffstat (limited to 'secure/lib/libcrypto/man/man3/CT_POLICY_EVAL_CTX_new.3')
| -rw-r--r-- | secure/lib/libcrypto/man/man3/CT_POLICY_EVAL_CTX_new.3 | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/man3/CT_POLICY_EVAL_CTX_new.3 b/secure/lib/libcrypto/man/man3/CT_POLICY_EVAL_CTX_new.3 new file mode 100644 index 000000000000..70e7d6fb4bf0 --- /dev/null +++ b/secure/lib/libcrypto/man/man3/CT_POLICY_EVAL_CTX_new.3 @@ -0,0 +1,229 @@ +.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.39) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.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. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +CT_POLICY_EVAL_CTX_new, CT_POLICY_EVAL_CTX_free, CT_POLICY_EVAL_CTX_get0_cert, CT_POLICY_EVAL_CTX_set1_cert, CT_POLICY_EVAL_CTX_get0_issuer, CT_POLICY_EVAL_CTX_set1_issuer, CT_POLICY_EVAL_CTX_get0_log_store, CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE, CT_POLICY_EVAL_CTX_get_time, CT_POLICY_EVAL_CTX_set_time \- Encapsulates the data required to evaluate whether SCTs meet a Certificate Transparency policy +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/ct.h> +\& +\& CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void); +\& void CT_POLICY_EVAL_CTX_free(CT_POLICY_EVAL_CTX *ctx); +\& X509* CT_POLICY_EVAL_CTX_get0_cert(const CT_POLICY_EVAL_CTX *ctx); +\& int CT_POLICY_EVAL_CTX_set1_cert(CT_POLICY_EVAL_CTX *ctx, X509 *cert); +\& X509* CT_POLICY_EVAL_CTX_get0_issuer(const CT_POLICY_EVAL_CTX *ctx); +\& int CT_POLICY_EVAL_CTX_set1_issuer(CT_POLICY_EVAL_CTX *ctx, X509 *issuer); +\& const CTLOG_STORE *CT_POLICY_EVAL_CTX_get0_log_store(const CT_POLICY_EVAL_CTX *ctx); +\& void CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(CT_POLICY_EVAL_CTX *ctx, +\& CTLOG_STORE *log_store); +\& uint64_t CT_POLICY_EVAL_CTX_get_time(const CT_POLICY_EVAL_CTX *ctx); +\& void CT_POLICY_EVAL_CTX_set_time(CT_POLICY_EVAL_CTX *ctx, uint64_t time_in_ms); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +A \fB\s-1CT_POLICY_EVAL_CTX\s0\fR is used by functions that evaluate whether Signed +Certificate Timestamps (SCTs) fulfil a Certificate Transparency (\s-1CT\s0) policy. +This policy may be, for example, that at least one valid \s-1SCT\s0 is available. To +determine this, an \s-1SCT\s0's timestamp and signature must be verified. +This requires: +.IP "\(bu" 2 +the public key of the log that issued the \s-1SCT\s0 +.IP "\(bu" 2 +the certificate that the \s-1SCT\s0 was issued for +.IP "\(bu" 2 +the issuer certificate (if the \s-1SCT\s0 was issued for a pre-certificate) +.IP "\(bu" 2 +the current time +.PP +The above requirements are met using the setters described below. +.PP +\&\fBCT_POLICY_EVAL_CTX_new()\fR creates an empty policy evaluation context. This +should then be populated using: +.IP "\(bu" 2 +\&\fBCT_POLICY_EVAL_CTX_set1_cert()\fR to provide the certificate the SCTs were issued for +.Sp +Increments the reference count of the certificate. +.IP "\(bu" 2 +\&\fBCT_POLICY_EVAL_CTX_set1_issuer()\fR to provide the issuer certificate +.Sp +Increments the reference count of the certificate. +.IP "\(bu" 2 +\&\fBCT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE()\fR to provide a list of logs that are trusted as sources of SCTs +.Sp +Holds a pointer to the \s-1CTLOG_STORE,\s0 so the \s-1CTLOG_STORE\s0 must outlive the +\&\s-1CT_POLICY_EVAL_CTX.\s0 +.IP "\(bu" 2 +\&\fBCT_POLICY_EVAL_CTX_set_time()\fR to set the time SCTs should be compared with to determine if they are valid +.Sp +The \s-1SCT\s0 timestamp will be compared to this time to check whether the \s-1SCT\s0 was +issued in the future. \s-1RFC6962\s0 states that \*(L"\s-1TLS\s0 clients \s-1MUST\s0 reject SCTs whose +timestamp is in the future\*(R". By default, this will be set to 5 minutes in the +future (e.g. (\fBtime()\fR + 300) * 1000), to allow for clock drift. +.Sp +The time should be in milliseconds since the Unix epoch. +.PP +Each setter has a matching getter for accessing the current value. +.PP +When no longer required, the \fB\s-1CT_POLICY_EVAL_CTX\s0\fR should be passed to +\&\fBCT_POLICY_EVAL_CTX_free()\fR to delete it. +.SH "NOTES" +.IX Header "NOTES" +The issuer certificate only needs to be provided if at least one of the SCTs +was issued for a pre-certificate. This will be the case for SCTs embedded in a +certificate (i.e. those in an X.509 extension), but may not be the case for SCTs +found in the \s-1TLS SCT\s0 extension or \s-1OCSP\s0 response. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fBCT_POLICY_EVAL_CTX_new()\fR will return \s-1NULL\s0 if malloc fails. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fBct\fR\|(7) +.SH "HISTORY" +.IX Header "HISTORY" +These functions were added in OpenSSL 1.1.0. +.SH "COPYRIGHT" +.IX Header "COPYRIGHT" +Copyright 2016 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>. |