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Diffstat (limited to 'lib/ssl/src/ssl_pkix.erl')
-rw-r--r-- | lib/ssl/src/ssl_pkix.erl | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/lib/ssl/src/ssl_pkix.erl b/lib/ssl/src/ssl_pkix.erl deleted file mode 100644 index 8f540f74ad..0000000000 --- a/lib/ssl/src/ssl_pkix.erl +++ /dev/null @@ -1,307 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2003-2009. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% - -%%% Purpose : API module for decoding of certificates. - --module(ssl_pkix). - --include("ssl_pkix.hrl"). - --export([decode_cert_file/1, decode_cert_file/2, - decode_cert/1, decode_cert/2, encode_cert/1, encoded_tbs_cert/1, - signature_digest/1, decode_rsa_keyfile/2]). - -%% The public API is dprecated by public_key and -%% the internal application API is no longer used ssl. -%% So this file can be compleatly removed in R14. --deprecated({decode_cert_file, 1, next_major_release}). --deprecated({decode_cert_file, 2, next_major_release}). --deprecated({decode_cert, 1, next_major_release}). --deprecated({decode_cert, 2, next_major_release}). - -%%==================================================================== -%% API -%%==================================================================== - -%%-------------------------------------------------------------------- -%% Function: decode_cert_file(File, <Opts>) -> {ok, Cert} | {ok, [Cert]} -%% -%% File = string() -%% Opts = [Opt] -%% Opt = pem | ssl | pkix - ssl and pkix are mutual exclusive -%% Cert = term() -%% -%% Description: Decodes certificats found in file <File>. -%% If the options list is empty the certificate is -%% returned as a DER encoded binary, i.e. {ok, Bin} is returned, where -%% Bin> is the provided input. The options pkix and ssl imply that the -%% certificate is returned as a parsed ASN.1 structure in the form of -%% an Erlang term. The ssl option gives a more elaborate return -%% structure, with more explicit information. In particular object -%% identifiers are replaced by atoms. The option subject implies that -%% only the subject's distinguished name part of the certificate is -%% returned. It can only be used together with the option pkix or the -%% option ssl. -%%-------------------------------------------------------------------- -decode_cert_file(File) -> - decode_cert_file(File, []). - -decode_cert_file(File, Opts) -> - case lists:member(pem, Opts) of - true -> - {ok, List} = ssl_pem:read_file(File), - Certs = [Bin || {cert, Bin} <- List], - NewOpts = lists:delete(pem, Opts), - Fun = fun(Cert) -> - {ok, Decoded} = decode_cert(Cert, NewOpts), - Decoded - end, - case lists:map(Fun, Certs) of - [DecodedCert] -> - {ok, DecodedCert}; - DecodedCerts -> - {ok, DecodedCerts} - end; - false -> - {ok, Bin} = file:read_file(File), - decode_cert(Bin, Opts) - end. -%%-------------------------------------------------------------------- -%% Function: decode_cert(Bin, <Opts>) -> {ok, Cert} -%% Bin - binary() -%% Opts = [Opt] -%% Opt = ssl | pkix | subject - ssl and pkix are mutual exclusive -%% Cert = term() -%% -%% Description: If the options list is empty the certificate is -%% returned as a DER encoded binary, i.e. {ok, Bin} is returned, where -%% Bin> is the provided input. The options pkix and ssl imply that the -%% certificate is returned as a parsed ASN.1 structure in the form of -%% an Erlang term. The ssl option gives a more elaborate return -%% structure, with more explicit information. In particular object -%% identifiers are replaced by atoms. The option subject implies that -%% only the subject's distinguished name part of the certificate is -%% returned. It can only be used together with the option pkix or the -%% option ssl. -%%-------------------------------------------------------------------- -decode_cert(Bin) -> - decode_cert(Bin, []). - -decode_cert(Bin, []) when is_binary(Bin) -> - {ok, Bin}; -decode_cert(Bin, Opts) when is_binary(Bin) -> - - {ok, Cert} = 'OTP-PKIX':decode('Certificate', Bin), - - case {lists:member(ssl, Opts), lists:member(pkix, Opts)} of - {true, false} -> - cert_return(transform(Cert, ssl), Opts); - {false, true} -> - cert_return(transform(Cert, pkix), Opts); - _ -> - {error, eoptions} - end. - -encode_cert(#'Certificate'{} = Cert) -> - {ok, List} = 'OTP-PKIX':encode('Certificate', Cert), - list_to_binary(List). - -decode_rsa_keyfile(KeyFile, Password) -> - {ok, List} = ssl_pem:read_file(KeyFile, Password), - [PrivatKey] = [Bin || {rsa_private_key, Bin} <- List], - 'OTP-PKIX':decode('RSAPrivateKey', PrivatKey). - -%%==================================================================== -%% Application internal API -%%==================================================================== - -%%-------------------------------------------------------------------- -%% Function: encoded_tbs_cert(Cert) -> PKXCert -%% -%% Cert = binary() - Der encoded -%% PKXCert = binary() - Der encoded -%% -%% Description: Extracts the binary TBSCert from the binary Certificate. -%%-------------------------------------------------------------------- -encoded_tbs_cert(Cert) -> - {ok, PKIXCert} = - 'OTP-PKIX':decode_TBSCert_exclusive(Cert), - {'Certificate', - {'Certificate_tbsCertificate', EncodedTBSCert}, _, _} = PKIXCert, - EncodedTBSCert. - -%%-------------------------------------------------------------------- -%%% Internal functions -%%-------------------------------------------------------------------- - -cert_return(Cert, Opts) -> - case lists:member(subject, Opts) of - true -> - {ok, get_subj(Cert)}; - false -> - {ok, Cert} - end. - - -%% Transfrom from PKIX1-Explicit88 to SSL-PKIX. - -transform(#'Certificate'{signature = Signature, - signatureAlgorithm = SignatureAlgorithm, - tbsCertificate = TbsCertificate} = Cert, Type) -> - Cert#'Certificate'{tbsCertificate = transform(TbsCertificate, Type), - signatureAlgorithm = transform(SignatureAlgorithm, Type), - signature = transform(Signature, Type)}; - -%% -record('TBSCertificate',{ -%% version = asn1_DEFAULT, serialNumber, signature, issuer, validity, subject, -%% subjectPublicKeyInfo, issuerUniqueID = asn1_NOVALUE, -%% subjectUniqueID = asn1_NOVALUE, extensions = asn1_NOVALUE}). - -transform(#'TBSCertificate'{signature = Signature, issuer = Issuer, - subject = Subject, extensions = Extensions, - subjectPublicKeyInfo = SPKInfo} = TBSCert, Type) -> - TBSCert#'TBSCertificate'{signature = transform(Signature, Type), - issuer = transform(Issuer, Type), - subject = transform(Subject, Type), - subjectPublicKeyInfo = transform(SPKInfo, Type), - extensions = transform_extensions(Extensions, Type) - }; - -transform(#'AlgorithmIdentifier'{algorithm = Algorithm, - parameters = Params}, ssl) -> - SignAlgAny = - #'SignatureAlgorithm-Any'{algorithm = Algorithm, parameters = Params}, - {ok, AnyEnc} = 'OTP-PKIX':encode('SignatureAlgorithm-Any', SignAlgAny), - {ok, SignAlgCd} = 'OTP-PKIX':decode('SignatureAlgorithm', - list_to_binary(AnyEnc)), - NAlgo = ssl_pkix_oid:id2atom(SignAlgCd#'SignatureAlgorithm'.algorithm), - SignAlgCd#'SignatureAlgorithm'{algorithm = NAlgo}; - -transform({rdnSequence, Lss}, Type) when is_list(Lss) -> - {rdnSequence, [[transform(L, Type) || L <- Ls] || Ls <- Lss]}; -transform({rdnSequence, Lss}, _) -> - {rdnSequence, Lss}; - -transform(#'AttributeTypeAndValue'{} = ATAV, ssl) -> - {ok, ATAVEnc} = - 'OTP-PKIX':encode('AttributeTypeAndValue', ATAV), - {ok, ATAVDec} = 'OTP-PKIX':decode('SSLAttributeTypeAndValue', - list_to_binary(ATAVEnc)), - AttrType = ATAVDec#'SSLAttributeTypeAndValue'.type, - #'AttributeTypeAndValue'{type = ssl_pkix_oid:id2atom(AttrType), - value = - ATAVDec#'SSLAttributeTypeAndValue'.value}; - -transform(#'AttributeTypeAndValue'{} = Att, pkix) -> - Att; - -%% -record('SubjectPublicKeyInfo',{ -%% algorithm, subjectPublicKey}). -%% -%% -record('SubjectPublicKeyInfo_algorithm',{ -%% algo, parameters = asn1_NOVALUE}). -%% -%% -record('SubjectPublicKeyInfo-Any',{ -%% algorithm, subjectPublicKey}). -%% -%% -record('PublicKeyAlgorithm',{ -%% algorithm, parameters = asn1_NOVALUE}). - -transform(#'SubjectPublicKeyInfo'{subjectPublicKey = SubjectPublicKey, - algorithm = Algorithm}, ssl) -> - %% Transform from SubjectPublicKeyInfo (PKIX1Explicit88) - %% to SubjectPublicKeyInfo-Any (SSL-PKIX). - Algo = Algorithm#'AlgorithmIdentifier'.algorithm, - Parameters = Algorithm#'AlgorithmIdentifier'.parameters, - AlgorithmAny = #'PublicKeyAlgorithm'{algorithm = Algo, - parameters = Parameters}, - {0, Bin} = SubjectPublicKey, - SInfoAny = #'SSLSubjectPublicKeyInfo-Any'{algorithm = AlgorithmAny, - subjectPublicKey = Bin}, - - %% Encode according to SubjectPublicKeyInfo-Any, and decode according - %% to SubjectPublicKeyInfo. - {ok, AnyEnc} = - 'OTP-PKIX':encode('SSLSubjectPublicKeyInfo-Any', SInfoAny), - {ok, SInfoCd} = 'OTP-PKIX':decode('SSLSubjectPublicKeyInfo', - list_to_binary(AnyEnc)), - %% Replace object identifier by atom - AlgorithmCd = SInfoCd#'SSLSubjectPublicKeyInfo'.algorithm, - AlgoCd = AlgorithmCd#'SSLSubjectPublicKeyInfo_algorithm'.algo, - Params = AlgorithmCd#'SSLSubjectPublicKeyInfo_algorithm'.parameters, - Key = SInfoCd#'SSLSubjectPublicKeyInfo'.subjectPublicKey, - NAlgoCd = ssl_pkix_oid:id2atom(AlgoCd), - NAlgorithmCd = - #'SubjectPublicKeyInfo_algorithm'{algorithm = NAlgoCd, - parameters = Params}, - #'SubjectPublicKeyInfo'{algorithm = NAlgorithmCd, - subjectPublicKey = Key - }; -transform(#'SubjectPublicKeyInfo'{} = SInfo, pkix) -> - SInfo; - -transform(#'Extension'{extnID = ExtnID} = Ext, ssl) -> - NewExtID = ssl_pkix_oid:id2atom(ExtnID), - ExtAny = setelement(1, Ext, 'Extension-Any'), - {ok, AnyEnc} = 'OTP-PKIX':encode('Extension-Any', ExtAny), - {ok, ExtCd} = 'OTP-PKIX':decode('SSLExtension', list_to_binary(AnyEnc)), - - ExtValue = transform_extension_value(NewExtID, - ExtCd#'SSLExtension'.extnValue, - ssl), - #'Extension'{extnID = NewExtID, - critical = ExtCd#'SSLExtension'.critical, - extnValue = ExtValue}; - -transform(#'Extension'{extnID = ExtnID, extnValue = ExtnValue} = Ext, pkix) -> - NewExtID = ssl_pkix_oid:id2atom(ExtnID), - ExtValue = transform_extension_value(NewExtID, ExtnValue, pkix), - Ext#'Extension'{extnValue = ExtValue}; - -transform(#'AuthorityKeyIdentifier'{authorityCertIssuer = CertIssuer} = Ext, - Type) -> - Ext#'AuthorityKeyIdentifier'{authorityCertIssuer = - transform(CertIssuer, Type)}; - -transform([{directoryName, Value}], Type) -> - [{directoryName, transform(Value, Type)}]; - -transform(X, _) -> - X. - -transform_extension_value('ce-authorityKeyIdentifier', Value, Type) -> - transform(Value, Type); -transform_extension_value(_, Value, _) -> - Value. - -transform_extensions(Exts, Type) when is_list(Exts) -> - [transform(Ext, Type) || Ext <- Exts]; -transform_extensions(Exts, _) -> - Exts. - -get_subj(Cert) -> - (Cert#'Certificate'.tbsCertificate)#'TBSCertificate'.subject. - -signature_digest(BinSignature) -> - case (catch 'OTP-PKIX':decode('DigestInfo', BinSignature)) of - {ok, DigestInfo} -> - list_to_binary(DigestInfo#'DigestInfo'.digest); - _ -> - {error, decode_error} - end. |