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6725682d77
- In order to not add many X509_XXXX_with_libctx() functions the libctx and propq may be stored in the X509 object via a call to X509_new_with_libctx(). - Loading via PEM_read_bio_X509() or d2i_X509() should pass in a created cert using X509_new_with_libctx(). - Renamed some XXXX_ex() to XXX_with_libctx() for X509 API's. - Removed the extra parameters in check_purpose.. - X509_digest() has been modified so that it expects a const EVP_MD object() and then internally it does the fetch when it needs to (via ASN1_item_digest_with_libctx()). - Added API's that set the libctx when they load such as X509_STORE_new_with_libctx() so that the cert chains can be verified. Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/12153)
79 lines
2.4 KiB
Plaintext
79 lines
2.4 KiB
Plaintext
=pod
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=head1 NAME
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X509_sign, X509_sign_ctx,
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X509_REQ_sign, X509_REQ_sign_ctx,
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X509_CRL_sign, X509_CRL_sign_ctx -
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sign certificate, certificate request, or CRL signature
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=head1 SYNOPSIS
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#include <openssl/x509.h>
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int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md);
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int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx);
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int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md);
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int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx);
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int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md);
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int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx);
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=head1 DESCRIPTION
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X509_sign() signs certificate I<x> using private key I<pkey> and message
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digest I<md> and sets the signature in I<x>. X509_sign_ctx() also signs
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certificate I<x> but uses the parameters contained in digest context I<ctx>.
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X509_REQ_sign(), X509_REQ_sign_ctx(),
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X509_CRL_sign(), and X509_CRL_sign_ctx()
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sign certificate requests and CRLs, respectively.
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=head1 NOTES
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X509_sign_ctx() is used where the default parameters for the corresponding
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public key and digest are not suitable. It can be used to sign keys using
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RSA-PSS for example.
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For efficiency reasons and to work around ASN.1 encoding issues the encoding
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of the signed portion of a certificate, certificate request and CRL is cached
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internally. If the signed portion of the structure is modified the encoding
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is not always updated meaning a stale version is sometimes used. This is not
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normally a problem because modifying the signed portion will invalidate the
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signature and signing will always update the encoding.
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=head1 RETURN VALUES
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All functions return the size of the signature
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in bytes for success and zero for failure.
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=head1 SEE ALSO
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L<ERR_get_error(3)>,
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L<X509_NAME_add_entry_by_txt(3)>,
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L<X509_new(3)>,
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L<X509_verify_cert(3)>,
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L<X509_verify(3)>,
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L<X509_REQ_verify_with_libctx(3)>, L<X509_REQ_verify(3)>,
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L<X509_CRL_verify(3)>
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=head1 HISTORY
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The X509_sign(), X509_REQ_sign() and X509_CRL_sign() functions are
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available in all versions of OpenSSL.
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The X509_sign_ctx(), X509_REQ_sign_ctx()
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and X509_CRL_sign_ctx() functions were added in OpenSSL 1.0.1.
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=head1 COPYRIGHT
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Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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