%% Generated by the Erlang ASN.1 BER compiler. Version: 5.4.3 %% Purpose: Encoding and decoding of the types in PKCS-10. -module('PKCS-10'). -moduledoc false. -compile(nowarn_unused_vars). -dialyzer(no_improper_lists). -dialyzer(no_match). -include_lib("ca/include/PKCS-10.hrl"). -asn1_info([{vsn,'5.4.3'}, {module,'PKCS-10'}, {options,[warnings,ber,errors, {cwd,"/Users/tonpa/depot/synrc/ca/priv/csr"}, {outdir,"/Users/tonpa/depot/synrc/ca/priv/csr"}, {i,"."}, {i,"/Users/tonpa/depot/synrc/ca/priv/csr"}]}]). -export([encoding_rule/0,maps/0,bit_string_format/0, legacy_erlang_types/0]). -export(['dialyzer-suppressions'/1]). -export([ enc_CertificationRequestInfo/2, enc_CertificationRequest/2 ]). -export([ dec_CertificationRequestInfo/2, dec_CertificationRequest/2 ]). -export([ getenc_PKInfoAlgorithms/1, getenc_CRIAttributes/1, getenc_SignatureAlgorithms/1, getenc_internal_object_set_argument_8/1, getenc_internal_object_set_argument_6/1, getenc_internal_object_set_argument_5/1, getenc_internal_object_set_argument_4/1, getenc_internal_object_set_argument_2/1 ]). -export([ getdec_PKInfoAlgorithms/1, getdec_CRIAttributes/1, getdec_SignatureAlgorithms/1, getdec_internal_object_set_argument_8/1, getdec_internal_object_set_argument_6/1, getdec_internal_object_set_argument_5/1, getdec_internal_object_set_argument_4/1, getdec_internal_object_set_argument_2/1 ]). -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('CertificationRequestInfo', Data) -> enc_CertificationRequestInfo(Data); encode_disp('CertificationRequest', Data) -> enc_CertificationRequest(Data); encode_disp(Type, _Data) -> exit({error,{asn1,{undefined_type,Type}}}). decode_disp('CertificationRequestInfo', Data) -> dec_CertificationRequestInfo(Data); decode_disp('CertificationRequest', Data) -> dec_CertificationRequest(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. %%================================ %% CertificationRequestInfo %%================================ enc_CertificationRequestInfo(Val) -> enc_CertificationRequestInfo(Val, [<<48>>]). enc_CertificationRequestInfo(Val, TagIn) -> {_,Cindex1,Cindex2,Cindex3,Cindex4} = Val, %%------------------------------------------------- %% attribute version(1) with type INTEGER %%------------------------------------------------- {EncBytes1,EncLen1} = encode_integer(Cindex1, [{v1,0}], [<<2>>]), %%------------------------------------------------- %% attribute subject(2) External PKIX1Explicit-2009:Name %%------------------------------------------------- {EncBytes2,EncLen2} = 'PKIX1Explicit-2009':'enc_Name'(Cindex2, []), %%------------------------------------------------- %% attribute subjectPKInfo(3) with type SEQUENCE %%------------------------------------------------- {EncBytes3,EncLen3} = 'enc_CertificationRequestInfo_subjectPKInfo'(Cindex3, [<<48>>]), %%------------------------------------------------- %% attribute attributes(4) with type SET OF %%------------------------------------------------- {EncBytes4,EncLen4} = 'enc_CertificationRequestInfo_attributes'(Cindex4, [<<160>>]), BytesSoFar = [EncBytes1, EncBytes2, EncBytes3, EncBytes4], LenSoFar = EncLen1 + EncLen2 + EncLen3 + EncLen4, encode_tags(TagIn, BytesSoFar, LenSoFar). %%================================ %% CertificationRequestInfo_subjectPKInfo %%================================ enc_CertificationRequestInfo_subjectPKInfo(Val, TagIn) -> {_,Cindex1,Cindex2} = Val, %%------------------------------------------------- %% attribute algorithm(1) with type SEQUENCE %%------------------------------------------------- {EncBytes1,EncLen1} = 'enc_CertificationRequestInfo_subjectPKInfo_algorithm'(Cindex1, [<<48>>]), %%------------------------------------------------- %% attribute subjectPublicKey(2) with type BIT STRING %%------------------------------------------------- {EncBytes2,EncLen2} = encode_unnamed_bit_string(Cindex2, [<<3>>]), BytesSoFar = [EncBytes1, EncBytes2], LenSoFar = EncLen1 + EncLen2, encode_tags(TagIn, BytesSoFar, LenSoFar). %%================================ %% CertificationRequestInfo_subjectPKInfo_algorithm %%================================ enc_CertificationRequestInfo_subjectPKInfo_algorithm(Val, TagIn) -> {_,Cindex1,Cindex2} = Val, Objalgorithm = 'PKCS-10':'getenc_internal_object_set_argument_4'( Cindex1), %%------------------------------------------------- %% attribute algorithm(1) with type OBJECT IDENTIFIER %%------------------------------------------------- {EncBytes1,EncLen1} = encode_object_identifier(Cindex1, [<<6>>]), %%------------------------------------------------- %% attribute parameters(2) with type typefieldParams OPTIONAL %%------------------------------------------------- {EncBytes2,EncLen2} = case Cindex2 of asn1_NOVALUE -> {<<>>,0}; _ -> {TmpBytes2,_ } = Objalgorithm('Params', Cindex2, []), encode_open_type(TmpBytes2, []) end, BytesSoFar = [EncBytes1, EncBytes2], LenSoFar = EncLen1 + EncLen2, encode_tags(TagIn, BytesSoFar, LenSoFar). %%================================ %% CertificationRequestInfo_attributes %%================================ enc_CertificationRequestInfo_attributes(Val, TagIn) -> {EncBytes,EncLen} = 'enc_CertificationRequestInfo_attributes_components'(Val,[],0), encode_tags(TagIn, EncBytes, EncLen). 'enc_CertificationRequestInfo_attributes_components'([], AccBytes, AccLen) -> {lists:reverse(AccBytes),AccLen}; 'enc_CertificationRequestInfo_attributes_components'([H|T],AccBytes, AccLen) -> {EncBytes,EncLen} = 'enc_CertificationRequestInfo_attributes_Attribute'(H, [<<48>>]), 'enc_CertificationRequestInfo_attributes_components'(T,[EncBytes|AccBytes], AccLen + EncLen). %%================================ %% CertificationRequestInfo_attributes_Attribute %%================================ enc_CertificationRequestInfo_attributes_Attribute(Val, TagIn) -> {_,Cindex1,Cindex2} = Val, Objtype = 'PKCS-10':'getenc_internal_object_set_argument_6'( Cindex1), %%------------------------------------------------- %% attribute type(1) with type OBJECT IDENTIFIER %%------------------------------------------------- {EncBytes1,EncLen1} = encode_object_identifier(Cindex1, [<<6>>]), %%------------------------------------------------- %% attribute values(2) with type SET OF %%------------------------------------------------- {EncBytes2,EncLen2} = 'enc_CertificationRequestInfo_attributes_Attribute_values'(Cindex2, [<<49>>], Objtype), BytesSoFar = [EncBytes1, EncBytes2], LenSoFar = EncLen1 + EncLen2, encode_tags(TagIn, BytesSoFar, LenSoFar). %%================================ %% CertificationRequestInfo_attributes_Attribute_values %%================================ enc_CertificationRequestInfo_attributes_Attribute_values(Val, TagIn, ObjFun) -> {EncBytes,EncLen} = 'enc_CertificationRequestInfo_attributes_Attribute_values_components'(Val, ObjFun,[],0), encode_tags(TagIn, EncBytes, EncLen). 'enc_CertificationRequestInfo_attributes_Attribute_values_components'([], _, AccBytes, AccLen) -> {lists:reverse(AccBytes),AccLen}; 'enc_CertificationRequestInfo_attributes_Attribute_values_components'([H|T], ObjFun,AccBytes, AccLen) -> {TmpBytes,_} = ObjFun('Type', H, []), {EncBytes,EncLen} = encode_open_type(TmpBytes, []) , 'enc_CertificationRequestInfo_attributes_Attribute_values_components'(T, ObjFun,[EncBytes|AccBytes], AccLen + EncLen). dec_CertificationRequestInfo(Tlv) -> dec_CertificationRequestInfo(Tlv, [16]). dec_CertificationRequestInfo(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), %%------------------------------------------------- %% attribute version(1) with type INTEGER %%------------------------------------------------- [V1|Tlv2] = Tlv1, Term1 = begin Val1 = decode_integer(V1, [2]), number2name(Val1, [{v1,0}]) end , %%------------------------------------------------- %% attribute subject(2) External PKIX1Explicit-2009:Name %%------------------------------------------------- [V2|Tlv3] = Tlv2, Term2 = 'PKIX1Explicit-2009':'dec_Name'(V2, []), %%------------------------------------------------- %% attribute subjectPKInfo(3) with type SEQUENCE %%------------------------------------------------- [V3|Tlv4] = Tlv3, Term3 = 'dec_CertificationRequestInfo_subjectPKInfo'(V3, [16]), %%------------------------------------------------- %% attribute attributes(4) with type SET OF %%------------------------------------------------- [V4|Tlv5] = Tlv4, Term4 = 'dec_CertificationRequestInfo_attributes'(V4, [131072]), case Tlv5 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv5}}}) % extra fields not allowed end, Res1 = {'CertificationRequestInfo',Term1,Term2,Term3,Term4}, Res1. 'dec_CertificationRequestInfo_subjectPKInfo'(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), %%------------------------------------------------- %% attribute algorithm(1) with type SEQUENCE %%------------------------------------------------- [V1|Tlv2] = Tlv1, Term1 = 'dec_CertificationRequestInfo_subjectPKInfo_algorithm'(V1, [16]), %%------------------------------------------------- %% attribute subjectPublicKey(2) with type BIT STRING %%------------------------------------------------- [V2|Tlv3] = Tlv2, Term2 = decode_native_bit_string(V2, [3]), case Tlv3 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv3}}}) % extra fields not allowed end, Res1 = {'CertificationRequestInfo_subjectPKInfo',Term1,Term2}, Res1. 'dec_CertificationRequestInfo_subjectPKInfo_algorithm'(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), %%------------------------------------------------- %% attribute algorithm(1) with type OBJECT IDENTIFIER %%------------------------------------------------- [V1|Tlv2] = Tlv1, Term1 = decode_object_identifier(V1, [6]), %%------------------------------------------------- %% attribute parameters(2) with type typefieldParams OPTIONAL %%------------------------------------------------- {Tmpterm1,Tlv3} = case Tlv2 of [V2|TempTlv3] -> {decode_open_type(V2, []), TempTlv3}; _ -> { asn1_NOVALUE, Tlv2} end, DecObjalgorithmTerm1 = 'PKCS-10':'getdec_internal_object_set_argument_4'(Term1), Term2 = case Tmpterm1 of asn1_NOVALUE ->asn1_NOVALUE; _ -> case (catch DecObjalgorithmTerm1('Params', Tmpterm1, [])) of {'EXIT', Reason1} -> exit({'Type not compatible with table constraint',Reason1}); Tmpterm2 -> Tmpterm2 end end, case Tlv3 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv3}}}) % extra fields not allowed end, Res1 = {'CertificationRequestInfo_subjectPKInfo_algorithm',Term1,Term2}, Res1. 'dec_CertificationRequestInfo_attributes'(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), ['dec_CertificationRequestInfo_attributes_Attribute'(V1, [16]) || V1 <- Tlv1]. 'dec_CertificationRequestInfo_attributes_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]), ObjFun = 'PKCS-10':'getdec_internal_object_set_argument_6'(Term1), %%------------------------------------------------- %% attribute values(2) with type SET OF %%------------------------------------------------- [V2|Tlv3] = Tlv2, Term2 = 'dec_CertificationRequestInfo_attributes_Attribute_values'(V2, [17], ObjFun), case Tlv3 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv3}}}) % extra fields not allowed end, Res1 = {'Attribute',Term1,Term2}, Res1. 'dec_CertificationRequestInfo_attributes_Attribute_values'(Tlv, TagIn, ObjFun) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), [ begin Tmptlv1 = decode_open_type(V1, []), case (catch ObjFun('Type', Tmptlv1, [])) of {'EXIT',Reason1} -> exit({'Type not compatible with table constraint', Reason1}); Tmpterm1 -> Tmpterm1 end end || V1 <- Tlv1]. %%================================ %% CertificationRequest %%================================ enc_CertificationRequest(Val) -> enc_CertificationRequest(Val, [<<48>>]). enc_CertificationRequest(Val, TagIn) -> {_,Cindex1,Cindex2,Cindex3} = Val, %%------------------------------------------------- %% attribute certificationRequestInfo(1) External PKCS-10:CertificationRequestInfo %%------------------------------------------------- {EncBytes1,EncLen1} = 'enc_CertificationRequestInfo'(Cindex1, [<<48>>]), %%------------------------------------------------- %% attribute signatureAlgorithm(2) with type SEQUENCE %%------------------------------------------------- {EncBytes2,EncLen2} = 'enc_CertificationRequest_signatureAlgorithm'(Cindex2, [<<48>>]), %%------------------------------------------------- %% attribute signature(3) with type BIT STRING %%------------------------------------------------- {EncBytes3,EncLen3} = encode_unnamed_bit_string(Cindex3, [<<3>>]), BytesSoFar = [EncBytes1, EncBytes2, EncBytes3], LenSoFar = EncLen1 + EncLen2 + EncLen3, encode_tags(TagIn, BytesSoFar, LenSoFar). %%================================ %% CertificationRequest_signatureAlgorithm %%================================ enc_CertificationRequest_signatureAlgorithm(Val, TagIn) -> {_,Cindex1,Cindex2} = Val, Objalgorithm = 'PKCS-10':'getenc_internal_object_set_argument_8'( Cindex1), %%------------------------------------------------- %% attribute algorithm(1) with type OBJECT IDENTIFIER %%------------------------------------------------- {EncBytes1,EncLen1} = encode_object_identifier(Cindex1, [<<6>>]), %%------------------------------------------------- %% attribute parameters(2) with type typefieldParams OPTIONAL %%------------------------------------------------- {EncBytes2,EncLen2} = case Cindex2 of asn1_NOVALUE -> {<<>>,0}; _ -> {TmpBytes2,_ } = Objalgorithm('Params', Cindex2, []), encode_open_type(TmpBytes2, []) end, BytesSoFar = [EncBytes1, EncBytes2], LenSoFar = EncLen1 + EncLen2, encode_tags(TagIn, BytesSoFar, LenSoFar). dec_CertificationRequest(Tlv) -> dec_CertificationRequest(Tlv, [16]). dec_CertificationRequest(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), %%------------------------------------------------- %% attribute certificationRequestInfo(1) External PKCS-10:CertificationRequestInfo %%------------------------------------------------- [V1|Tlv2] = Tlv1, Term1 = 'dec_CertificationRequestInfo'(V1, [16]), %%------------------------------------------------- %% attribute signatureAlgorithm(2) with type SEQUENCE %%------------------------------------------------- [V2|Tlv3] = Tlv2, Term2 = 'dec_CertificationRequest_signatureAlgorithm'(V2, [16]), %%------------------------------------------------- %% attribute signature(3) with type BIT STRING %%------------------------------------------------- [V3|Tlv4] = Tlv3, Term3 = decode_native_bit_string(V3, [3]), case Tlv4 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv4}}}) % extra fields not allowed end, Res1 = {'CertificationRequest',Term1,Term2,Term3}, Res1. 'dec_CertificationRequest_signatureAlgorithm'(Tlv, TagIn) -> %%------------------------------------------------- %% decode tag and length %%------------------------------------------------- Tlv1 = match_tags(Tlv, TagIn), %%------------------------------------------------- %% attribute algorithm(1) with type OBJECT IDENTIFIER %%------------------------------------------------- [V1|Tlv2] = Tlv1, Term1 = decode_object_identifier(V1, [6]), %%------------------------------------------------- %% attribute parameters(2) with type typefieldParams OPTIONAL %%------------------------------------------------- {Tmpterm1,Tlv3} = case Tlv2 of [V2|TempTlv3] -> {decode_open_type(V2, []), TempTlv3}; _ -> { asn1_NOVALUE, Tlv2} end, DecObjalgorithmTerm1 = 'PKCS-10':'getdec_internal_object_set_argument_8'(Term1), Term2 = case Tmpterm1 of asn1_NOVALUE ->asn1_NOVALUE; _ -> case (catch DecObjalgorithmTerm1('Params', Tmpterm1, [])) of {'EXIT', Reason1} -> exit({'Type not compatible with table constraint',Reason1}); Tmpterm2 -> Tmpterm2 end end, case Tlv3 of [] -> true;_ -> exit({error,{asn1, {unexpected,Tlv3}}}) % extra fields not allowed end, Res1 = {'CertificationRequest_signatureAlgorithm',Term1,Term2}, Res1. %%================================ %% PKInfoAlgorithms %%================================ getenc_PKInfoAlgorithms(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_PKInfoAlgorithms(_) -> fun(_,Bytes, _RestPrimFieldName) -> case Bytes of Bin when is_binary(Bin) -> {asn1_OPENTYPE,Bin}; _ -> {asn1_OPENTYPE,ber_encode(Bytes)} end end. %%================================ %% CRIAttributes %%================================ getenc_CRIAttributes(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_CRIAttributes(_) -> fun(_,Bytes, _RestPrimFieldName) -> case Bytes of Bin when is_binary(Bin) -> {asn1_OPENTYPE,Bin}; _ -> {asn1_OPENTYPE,ber_encode(Bytes)} end end. %%================================ %% SignatureAlgorithms %%================================ getenc_SignatureAlgorithms(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_SignatureAlgorithms(_) -> fun(_,Bytes, _RestPrimFieldName) -> case Bytes of Bin when is_binary(Bin) -> {asn1_OPENTYPE,Bin}; _ -> {asn1_OPENTYPE,ber_encode(Bytes)} end end. %%================================ %% internal_object_set_argument_8 %%================================ getenc_internal_object_set_argument_8(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_internal_object_set_argument_8(_) -> fun(_,Bytes, _RestPrimFieldName) -> case Bytes of Bin when is_binary(Bin) -> {asn1_OPENTYPE,Bin}; _ -> {asn1_OPENTYPE,ber_encode(Bytes)} end end. %%================================ %% internal_object_set_argument_6 %%================================ getenc_internal_object_set_argument_6(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_internal_object_set_argument_6(_) -> fun(_,Bytes, _RestPrimFieldName) -> case Bytes of Bin when is_binary(Bin) -> {asn1_OPENTYPE,Bin}; _ -> {asn1_OPENTYPE,ber_encode(Bytes)} end end. %%================================ %% internal_object_set_argument_5 %%================================ getenc_internal_object_set_argument_5(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_internal_object_set_argument_5(_) -> fun(_,Bytes, _RestPrimFieldName) -> case Bytes of Bin when is_binary(Bin) -> {asn1_OPENTYPE,Bin}; _ -> {asn1_OPENTYPE,ber_encode(Bytes)} end end. %%================================ %% internal_object_set_argument_4 %%================================ getenc_internal_object_set_argument_4(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_internal_object_set_argument_4(_) -> fun(_,Bytes, _RestPrimFieldName) -> case Bytes of Bin when is_binary(Bin) -> {asn1_OPENTYPE,Bin}; _ -> {asn1_OPENTYPE,ber_encode(Bytes)} end end. %%================================ %% internal_object_set_argument_2 %%================================ getenc_internal_object_set_argument_2(_) -> fun(_, Val, _RestPrimFieldName) -> case Val of {asn1_OPENTYPE,Bin} when is_binary(Bin) -> {Bin,byte_size(Bin)} end end. getdec_internal_object_set_argument_2(_) -> 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_integer(Tlv, TagIn) -> Bin = match_tags(Tlv, TagIn), Len = byte_size(Bin), <> = Bin, Int. decode_native_bit_string(Buffer, Tags) -> case match_and_collect(Buffer, Tags) of <<0>> -> <<>>; <> -> Size = bit_size(Bits) - Unused, <> = Bits, Val end. 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_open_type(Tlv, TagIn) -> case match_tags(Tlv, TagIn) of Bin when is_binary(Bin) -> {InnerTlv, _} = ber_decode_nif(Bin), InnerTlv; TlvBytes -> TlvBytes end. 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_integer(Val) -> Bytes = if Val >= 0 -> encode_integer_pos(Val, []); true -> encode_integer_neg(Val, []) end, {Bytes, length(Bytes)}. encode_integer(Val, NamedNumberList, Tag) when is_atom(Val) -> case lists:keyfind(Val, 1, NamedNumberList) of {_, NewVal} -> encode_tags(Tag, encode_integer(NewVal)); _ -> exit({error, {asn1, {encode_integer_namednumber, Val}}}) end; encode_integer(Val, _NamedNumberList, Tag) -> encode_tags(Tag, 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_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}. encode_unnamed_bit_string(Bits, TagIn) -> Unused = (8 - bit_size(Bits) band 7) band 7, Bin = <>, encode_tags(TagIn, Bin, byte_size(Bin)). 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). number2name(Int, NamedNumberList) -> case lists:keyfind(Int, 2, NamedNumberList) of {NamedVal, _} -> NamedVal; _ -> Int end.