%% Generated by the Erlang ASN.1 BER compiler. Version: 5.0.17 %% Purpose: Encoding and decoding of the types in EST. -module('EST'). -compile(nowarn_unused_vars). -dialyzer(no_improper_lists). -dialyzer(no_match). -include_lib("ca/include/EST.hrl"). -asn1_info([{vsn,'5.0.17'}, {module,'EST'}, {options,[warnings,ber,errors, {cwd,"/home/maxim/depot/arvo-computer/ca/priv/csr"}, {outdir,"/home/maxim/depot/arvo-computer/ca/priv/csr"}, {i,"."}, {i,"/home/maxim/depot/arvo-computer/ca/priv/csr"}]}]). -export([encoding_rule/0,maps/0,bit_string_format/0, legacy_erlang_types/0]). -export(['dialyzer-suppressions'/1]). -export([ enc_Extension/2, enc_Int/2, enc_OID/2, enc_CsrAttrs/2, enc_AttrOrOID/2, enc_Attribute/2, enc_ExtensionReq/2 ]). -export([ dec_Extension/2, dec_Int/2, dec_OID/2, dec_CsrAttrs/2, dec_AttrOrOID/2, dec_Attribute/2, dec_ExtensionReq/2 ]). -export([ 'enc_at-extension-req'/3 ]). -export([ 'dec_at-extension-req'/3 ]). -export([ getenc_internal_object_set_argument_1/1 ]). -export([ getdec_internal_object_set_argument_1/1 ]). -export([ 'id-ExtensionReq'/0 ]). -export([info/0]). -export([encode/2,decode/2]). encoding_rule() -> ber. maps() -> false. bit_string_format() -> bitstring. legacy_erlang_types() -> false. encode(Type, Data) -> try iolist_to_binary(element(1, encode_disp(Type, Data))) of Bytes -> {ok,Bytes} catch Class:Exception:Stk when Class =:= error; Class =:= exit -> case Exception of {error,{asn1,Reason}} -> {error,{asn1,{Reason,Stk}}}; Reason -> {error,{asn1,{Reason,Stk}}} end end. decode(Type, Data) -> try Result = decode_disp(Type, element(1, ber_decode_nif(Data))), {ok,Result} catch Class:Exception:Stk when Class =:= error; Class =:= exit -> case Exception of {error,{asn1,Reason}} -> {error,{asn1,{Reason,Stk}}}; Reason -> {error,{asn1,{Reason,Stk}}} end end. encode_disp('Extension', Data) -> enc_Extension(Data); encode_disp('Int', Data) -> enc_Int(Data); encode_disp('OID', Data) -> enc_OID(Data); encode_disp('CsrAttrs', Data) -> enc_CsrAttrs(Data); encode_disp('AttrOrOID', Data) -> enc_AttrOrOID(Data); encode_disp('Attribute', Data) -> enc_Attribute(Data); encode_disp('ExtensionReq', Data) -> enc_ExtensionReq(Data); encode_disp(Type, _Data) -> exit({error,{asn1,{undefined_type,Type}}}). decode_disp('Extension', Data) -> dec_Extension(Data); decode_disp('Int', Data) -> dec_Int(Data); decode_disp('OID', Data) -> dec_OID(Data); decode_disp('CsrAttrs', Data) -> dec_CsrAttrs(Data); decode_disp('AttrOrOID', Data) -> dec_AttrOrOID(Data); decode_disp('Attribute', Data) -> dec_Attribute(Data); decode_disp('ExtensionReq', Data) -> dec_ExtensionReq(Data); decode_disp(Type, _Data) -> exit({error,{asn1,{undefined_type,Type}}}). info() -> case ?MODULE:module_info(attributes) of Attributes when is_list(Attributes) -> case lists:keyfind(asn1_info, 1, Attributes) of {_,Info} when is_list(Info) -> Info; _ -> [] end; _ -> [] end. %%================================ %% Extension %%================================ enc_Extension(Val) -> enc_Extension(Val, [<<48>>]). enc_Extension(Val, TagIn) -> {_,Cindex1,Cindex2,Cindex3} = Val, %%------------------------------------------------- %% attribute extnId(1) with type OBJECT IDENTIFIER %%------------------------------------------------- {EncBytes1,EncLen1} = encode_object_identifier(Cindex1, [<<6>>]), %%------------------------------------------------- %% attribute critical(2) with type BOOLEAN DEFAULT = false %%------------------------------------------------- {EncBytes2,EncLen2} = case Cindex2 of asn1_DEFAULT -> {<<>>,0}; _ when Cindex2 =:= false -> {<<>>,0}; _ -> encode_boolean(Cindex2, [<<1>>]) end, %%------------------------------------------------- %% attribute extnValue(3) with type ASN1_OPEN_TYPE %%------------------------------------------------- {EncBytes3,EncLen3} = encode_open_type(Cindex3, []), BytesSoFar = [EncBytes1, EncBytes2, EncBytes3], LenSoFar = EncLen1 + EncLen2 + EncLen3, encode_tags(TagIn, BytesSoFar, LenSoFar). dec_Extension(Tlv) -> dec_Extension(Tlv, [16]). dec_Extension(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), %%------------------------------------------------- %% attribute extnId(1) with type OBJECT IDENTIFIER %%------------------------------------------------- [V1|Tlv2] = Tlv1, Term1 = decode_object_identifier(V1, [6]), %%------------------------------------------------- %% attribute critical(2) with type BOOLEAN DEFAULT = false %%------------------------------------------------- {Term2,Tlv3} = case Tlv2 of [{1,V2}|TempTlv3] -> {decode_boolean(V2, []), TempTlv3}; _ -> {false,Tlv2} end, %%------------------------------------------------- %% attribute extnValue(3) with type ASN1_OPEN_TYPE %%------------------------------------------------- [V3|Tlv4] = Tlv3, Term3 = decode_open_type_as_binary(V3, []), case Tlv4 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv4}}}) % extra fields not allowed end, Res1 = {'Extension',Term1,Term2,Term3}, Res1. %%================================ %% Int %%================================ enc_Int(Val) -> enc_Int(Val, [<<2>>]). enc_Int(Val, TagIn) -> encode_integer(Val, TagIn). dec_Int(Tlv) -> dec_Int(Tlv, [2]). dec_Int(Tlv, TagIn) -> decode_integer(Tlv, TagIn). %%================================ %% OID %%================================ enc_OID(Val) -> enc_OID(Val, [<<6>>]). enc_OID(Val, TagIn) -> encode_object_identifier(Val, TagIn). dec_OID(Tlv) -> dec_OID(Tlv, [6]). dec_OID(Tlv, TagIn) -> decode_object_identifier(Tlv, TagIn). %%================================ %% CsrAttrs %%================================ enc_CsrAttrs(Val) -> enc_CsrAttrs(Val, [<<48>>]). enc_CsrAttrs(Val, TagIn) -> {EncBytes,EncLen} = 'enc_CsrAttrs_components'(Val,[],0), encode_tags(TagIn, EncBytes, EncLen). 'enc_CsrAttrs_components'([], AccBytes, AccLen) -> {lists:reverse(AccBytes),AccLen}; 'enc_CsrAttrs_components'([H|T],AccBytes, AccLen) -> {EncBytes,EncLen} = 'enc_AttrOrOID'(H, []), 'enc_CsrAttrs_components'(T,[EncBytes|AccBytes], AccLen + EncLen). dec_CsrAttrs(Tlv) -> dec_CsrAttrs(Tlv, [16]). dec_CsrAttrs(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), ['dec_AttrOrOID'(V1, []) || V1 <- Tlv1]. %%================================ %% AttrOrOID %%================================ enc_AttrOrOID(Val) -> enc_AttrOrOID(Val, []). enc_AttrOrOID(Val, TagIn) -> {EncBytes,EncLen} = case element(1,Val) of oid -> encode_object_identifier(element(2,Val), [<<6>>]); attribute -> 'enc_Attribute'(element(2,Val), [<<48>>]); Else -> exit({error,{asn1,{invalid_choice_type,Else}}}) end, encode_tags(TagIn, EncBytes, EncLen). dec_AttrOrOID(Tlv) -> dec_AttrOrOID(Tlv, []). dec_AttrOrOID(Tlv, TagIn) -> Tlv1 = match_tags(Tlv, TagIn), case (case Tlv1 of [CtempTlv1] -> CtempTlv1; _ -> Tlv1 end) of %% 'oid' {6, V1} -> {oid, decode_object_identifier(V1, [])}; %% 'attribute' {16, V1} -> {attribute, 'dec_Attribute'(V1, [])}; Else -> exit({error,{asn1,{invalid_choice_tag,Else}}}) end . %%================================ %% Attribute %%================================ enc_Attribute(Val) -> enc_Attribute(Val, [<<48>>]). enc_Attribute(Val, TagIn) -> {_,Cindex1,Cindex2} = Val, %%------------------------------------------------- %% attribute type(1) with type OBJECT IDENTIFIER %%------------------------------------------------- {EncBytes1,EncLen1} = encode_object_identifier(Cindex1, [<<6>>]), %%------------------------------------------------- %% attribute values(2) with type SET OF %%------------------------------------------------- {EncBytes2,EncLen2} = 'enc_Attribute_values'(Cindex2, [<<49>>]), BytesSoFar = [EncBytes1, EncBytes2], LenSoFar = EncLen1 + EncLen2, encode_tags(TagIn, BytesSoFar, LenSoFar). %%================================ %% Attribute_values %%================================ enc_Attribute_values(Val, TagIn) -> {EncBytes,EncLen} = 'enc_Attribute_values_components'(Val,[],0), encode_tags(TagIn, EncBytes, EncLen). 'enc_Attribute_values_components'([], AccBytes, AccLen) -> {lists:reverse(AccBytes),AccLen}; 'enc_Attribute_values_components'([H|T],AccBytes, AccLen) -> {EncBytes,EncLen} = encode_open_type(H, []), 'enc_Attribute_values_components'(T,[EncBytes|AccBytes], AccLen + EncLen). dec_Attribute(Tlv) -> dec_Attribute(Tlv, [16]). dec_Attribute(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), %%------------------------------------------------- %% attribute type(1) with type OBJECT IDENTIFIER %%------------------------------------------------- [V1|Tlv2] = Tlv1, Term1 = decode_object_identifier(V1, [6]), %%------------------------------------------------- %% attribute values(2) with type SET OF %%------------------------------------------------- [V2|Tlv3] = Tlv2, Term2 = 'dec_Attribute_values'(V2, [17]), case Tlv3 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv3}}}) % extra fields not allowed end, Res1 = {'Attribute',Term1,Term2}, Res1. 'dec_Attribute_values'(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), [decode_open_type_as_binary(V1, []) || V1 <- Tlv1]. %%================================ %% ExtensionReq %%================================ enc_ExtensionReq(Val) -> enc_ExtensionReq(Val, [<<48>>]). enc_ExtensionReq(Val, TagIn) -> {EncBytes,EncLen} = 'enc_ExtensionReq_components'(Val,[],0), encode_tags(TagIn, EncBytes, EncLen). 'enc_ExtensionReq_components'([], AccBytes, AccLen) -> {lists:reverse(AccBytes),AccLen}; 'enc_ExtensionReq_components'([H|T],AccBytes, AccLen) -> {EncBytes,EncLen} = 'enc_ExtensionReq_Extension'(H, [<<48>>]), 'enc_ExtensionReq_components'(T,[EncBytes|AccBytes], AccLen + EncLen). %%================================ %% ExtensionReq_Extension %%================================ enc_ExtensionReq_Extension(Val, TagIn) -> {_,Cindex1,Cindex2,Cindex3} = Val, %%------------------------------------------------- %% attribute extnID(1) with type OBJECT IDENTIFIER %%------------------------------------------------- {EncBytes1,EncLen1} = encode_object_identifier(Cindex1, [<<6>>]), %%------------------------------------------------- %% attribute critical(2) with type BOOLEAN DEFAULT = false %%------------------------------------------------- {EncBytes2,EncLen2} = case Cindex2 of asn1_DEFAULT -> {<<>>,0}; _ when Cindex2 =:= false -> {<<>>,0}; _ -> encode_boolean(Cindex2, [<<1>>]) end, %%------------------------------------------------- %% attribute extnValue(3) with type OCTET STRING %%------------------------------------------------- {EncBytes3,EncLen3} = encode_restricted_string(Cindex3, [<<4>>]), BytesSoFar = [EncBytes1, EncBytes2, EncBytes3], LenSoFar = EncLen1 + EncLen2 + EncLen3, encode_tags(TagIn, BytesSoFar, LenSoFar). dec_ExtensionReq(Tlv) -> dec_ExtensionReq(Tlv, [16]). dec_ExtensionReq(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), ['dec_ExtensionReq_Extension'(V1, [16]) || V1 <- Tlv1]. 'dec_ExtensionReq_Extension'(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), %%------------------------------------------------- %% attribute extnID(1) with type OBJECT IDENTIFIER %%------------------------------------------------- [V1|Tlv2] = Tlv1, Term1 = decode_object_identifier(V1, [6]), %%------------------------------------------------- %% attribute critical(2) with type BOOLEAN DEFAULT = false %%------------------------------------------------- {Term2,Tlv3} = case Tlv2 of [{1,V2}|TempTlv3] -> {decode_boolean(V2, []), TempTlv3}; _ -> {false,Tlv2} end, %%------------------------------------------------- %% attribute extnValue(3) with type OCTET STRING %%------------------------------------------------- [V3|Tlv4] = Tlv3, Term3 = decode_octet_string(V3, [4]), case Tlv4 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv4}}}) % extra fields not allowed end, Res1 = {'Extension',Term1,Term2,Term3}, Res1. 'id-ExtensionReq'() -> {1,2,840,113549,1,9,14}. %%================================ %% at-extension-req %%================================ 'enc_at-extension-req'('Type', Val, _RestPrimFieldName) -> enc_ExtensionReq(Val, [<<48>>]); 'enc_at-extension-req'('equality-match', _,_) -> exit({error,{'use of missing field in object', 'equality-match'}}). 'dec_at-extension-req'('Type', Bytes,_) -> Tlv = tlv_format(Bytes), dec_ExtensionReq(Tlv, [16]); 'dec_at-extension-req'('equality-match', _,_) -> exit({error,{'illegal use of missing field in object', 'equality-match'}}). tlv_format(Bytes) when is_binary(Bytes) -> {Tlv,_} = ber_decode_nif(Bytes), Tlv; tlv_format(Bytes) -> Bytes. %%================================ %% internal_object_set_argument_1 %%================================ getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,9} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-SubjectDirectoryAttributes'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,14} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-SubjectKeyIdentifier'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,15} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-KeyUsage'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,16} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-PrivateKeyUsagePeriod'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,17} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-SubjectAltName'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,18} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-IssuerAltName'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,19} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-BasicConstraints'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,30} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-NameConstraints'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,31} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-CRLDistributionPoints'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,32} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-CertificatePolicies'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,33} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-PolicyMappings'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,35} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-AuthorityKeyIdentifier'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,36} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-PolicyConstraints'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,37} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-ExtKeyUsage'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,46} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-FreshestCRL'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {2,5,29,54} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-InhibitAnyPolicy'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {1,3,6,1,5,5,7,1,1} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-AuthorityInfoAccess'(T,V,O) end; getenc_internal_object_set_argument_1(Id) when Id =:= {1,3,6,1,5,5,7,1,11} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'enc_ext-SubjectInfoAccessSyntax'(T,V,O) end; getenc_internal_object_set_argument_1(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,9} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-SubjectDirectoryAttributes'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,14} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-SubjectKeyIdentifier'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,15} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-KeyUsage'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,16} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-PrivateKeyUsagePeriod'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,17} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-SubjectAltName'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,18} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-IssuerAltName'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,19} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-BasicConstraints'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,30} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-NameConstraints'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,31} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-CRLDistributionPoints'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,32} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-CertificatePolicies'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,33} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-PolicyMappings'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,35} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-AuthorityKeyIdentifier'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,36} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-PolicyConstraints'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,37} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-ExtKeyUsage'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,46} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-FreshestCRL'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {2,5,29,54} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-InhibitAnyPolicy'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {1,3,6,1,5,5,7,1,1} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-AuthorityInfoAccess'(T,V,O) end; getdec_internal_object_set_argument_1(Id) when Id =:= {1,3,6,1,5,5,7,1,11} -> fun(T,V,O) -> 'PKIX1Implicit-2009':'dec_ext-SubjectInfoAccessSyntax'(T,V,O) end; getdec_internal_object_set_argument_1(_) -> fun(_,Bytes, _RestPrimFieldName) -> case Bytes of Bin when is_binary(Bin) -> {asn1_OPENTYPE,Bin}; _ -> {asn1_OPENTYPE,ber_encode(Bytes)} end end. %%% %%% Run-time functions. %%% 'dialyzer-suppressions'(Arg) -> ok. ber_decode_nif(B) -> asn1rt_nif:decode_ber_tlv(B). ber_encode([Tlv]) -> ber_encode(Tlv); ber_encode(Tlv) when is_binary(Tlv) -> Tlv; ber_encode(Tlv) -> asn1rt_nif:encode_ber_tlv(Tlv). collect_parts(TlvList) -> collect_parts(TlvList, []). collect_parts([{_, L} | Rest], Acc) when is_list(L) -> collect_parts(Rest, [collect_parts(L) | Acc]); collect_parts([{3, <>} | Rest], _Acc) -> collect_parts_bit(Rest, [Bits], Unused); collect_parts([{_T, V} | Rest], Acc) -> collect_parts(Rest, [V | Acc]); collect_parts([], Acc) -> list_to_binary(lists:reverse(Acc)). collect_parts_bit([{3, <>} | Rest], Acc, Uacc) -> collect_parts_bit(Rest, [Bits | Acc], Unused + Uacc); collect_parts_bit([], Acc, Uacc) -> list_to_binary([Uacc | lists:reverse(Acc)]). dec_subidentifiers(<<>>, _Av, Al) -> lists:reverse(Al); dec_subidentifiers(<<1:1,H:7,T/binary>>, Av, Al) -> dec_subidentifiers(T, Av bsl 7 + H, Al); dec_subidentifiers(<>, Av, Al) -> dec_subidentifiers(T, 0, [Av bsl 7 + H | Al]). decode_boolean(Tlv, TagIn) -> Val = match_tags(Tlv, TagIn), case Val of <<0:8>> -> false; <<_:8>> -> true; _ -> exit({error, {asn1, {decode_boolean, Val}}}) end. decode_integer(Tlv, TagIn) -> Bin = match_tags(Tlv, TagIn), Len = byte_size(Bin), <> = Bin, Int. decode_object_identifier(Tlv, Tags) -> Val = match_tags(Tlv, Tags), [AddedObjVal | ObjVals] = dec_subidentifiers(Val, 0, []), {Val1, Val2} = if AddedObjVal < 40 -> {0, AddedObjVal}; AddedObjVal < 80 -> {1, AddedObjVal - 40}; true -> {2, AddedObjVal - 80} end, list_to_tuple([Val1, Val2 | ObjVals]). decode_octet_string(Tlv, TagsIn) -> Bin = match_and_collect(Tlv, TagsIn), binary:copy(Bin). decode_open_type_as_binary(Tlv, TagIn) -> ber_encode(match_tags(Tlv, TagIn)). e_object_identifier({'OBJECT IDENTIFIER', V}) -> e_object_identifier(V); e_object_identifier(V) when is_tuple(V) -> e_object_identifier(tuple_to_list(V)); e_object_identifier([E1, E2 | Tail]) -> Head = 40 * E1 + E2, {H, Lh} = mk_object_val(Head), {R, Lr} = lists:mapfoldl(fun enc_obj_id_tail/2, 0, Tail), {[H | R], Lh + Lr}. enc_obj_id_tail(H, Len) -> {B, L} = mk_object_val(H), {B, Len + L}. encode_boolean(true, TagIn) -> encode_tags(TagIn, [255], 1); encode_boolean(false, TagIn) -> encode_tags(TagIn, [0], 1); encode_boolean(X, _) -> exit({error, {asn1, {encode_boolean, X}}}). encode_integer(Val) -> Bytes = if Val >= 0 -> encode_integer_pos(Val, []); true -> encode_integer_neg(Val, []) end, {Bytes, length(Bytes)}. encode_integer(Val, Tag) when is_integer(Val) -> encode_tags(Tag, encode_integer(Val)); encode_integer(Val, _Tag) -> exit({error, {asn1, {encode_integer, Val}}}). encode_integer_neg(- 1, [B1 | _T] = L) when B1 > 127 -> L; encode_integer_neg(N, Acc) -> encode_integer_neg(N bsr 8, [N band 255 | Acc]). encode_integer_pos(0, [B | _Acc] = L) when B < 128 -> L; encode_integer_pos(N, Acc) -> encode_integer_pos(N bsr 8, [N band 255 | Acc]). encode_length(L) when L =< 127 -> {[L], 1}; encode_length(L) -> Oct = minimum_octets(L), Len = length(Oct), if Len =< 126 -> {[128 bor Len | Oct], Len + 1}; true -> exit({error, {asn1, too_long_length_oct, Len}}) end. encode_object_identifier(Val, TagIn) -> encode_tags(TagIn, e_object_identifier(Val)). encode_open_type(Val, T) when is_list(Val) -> encode_open_type(list_to_binary(Val), T); encode_open_type(Val, Tag) -> encode_tags(Tag, Val, byte_size(Val)). encode_restricted_string(OctetList, TagIn) when is_binary(OctetList) -> encode_tags(TagIn, OctetList, byte_size(OctetList)); encode_restricted_string(OctetList, TagIn) when is_list(OctetList) -> encode_tags(TagIn, OctetList, length(OctetList)). encode_tags(TagIn, {BytesSoFar, LenSoFar}) -> encode_tags(TagIn, BytesSoFar, LenSoFar). encode_tags([Tag | Trest], BytesSoFar, LenSoFar) -> {Bytes2, L2} = encode_length(LenSoFar), encode_tags(Trest, [Tag, Bytes2 | BytesSoFar], LenSoFar + byte_size(Tag) + L2); encode_tags([], BytesSoFar, LenSoFar) -> {BytesSoFar, LenSoFar}. match_and_collect(Tlv, TagsIn) -> Val = match_tags(Tlv, TagsIn), case Val of [_ | _] = PartList -> collect_parts(PartList); Bin when is_binary(Bin) -> Bin end. match_tags({T, V}, [T]) -> V; match_tags({T, V}, [T | Tt]) -> match_tags(V, Tt); match_tags([{T, V}], [T | Tt]) -> match_tags(V, Tt); match_tags([{T, _V} | _] = Vlist, [T]) -> Vlist; match_tags(Tlv, []) -> Tlv; match_tags({Tag, _V} = Tlv, [T | _Tt]) -> exit({error, {asn1, {wrong_tag, {{expected, T}, {got, Tag, Tlv}}}}}). minimum_octets(0, Acc) -> Acc; minimum_octets(Val, Acc) -> minimum_octets(Val bsr 8, [Val band 255 | Acc]). minimum_octets(Val) -> minimum_octets(Val, []). mk_object_val(0, Ack, Len) -> {Ack, Len}; mk_object_val(Val, Ack, Len) -> mk_object_val(Val bsr 7, [Val band 127 bor 128 | Ack], Len + 1). mk_object_val(Val) when Val =< 127 -> {[255 band Val], 1}; mk_object_val(Val) -> mk_object_val(Val bsr 7, [Val band 127], 1).