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authorIngela Anderton Andin <[email protected]>2011-03-17 18:30:57 +0100
committerIngela Anderton Andin <[email protected]>2011-03-24 10:56:56 +0100
commitfbaa5e3ddf028ba0e2b58a19609817ee17b10c6f (patch)
treeffb4a7794f04035fae98513bcb982a9476c5af82 /lib/public_key/src/pubkey_pem.erl
parentdea83e25a671b0bc2661582c3227c1728d69bfea (diff)
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Implemented encode/decode support for ssh public key files
Diffstat (limited to 'lib/public_key/src/pubkey_pem.erl')
-rw-r--r--lib/public_key/src/pubkey_pem.erl40
1 files changed, 16 insertions, 24 deletions
diff --git a/lib/public_key/src/pubkey_pem.erl b/lib/public_key/src/pubkey_pem.erl
index 78870e5cd7..c26815bc04 100644
--- a/lib/public_key/src/pubkey_pem.erl
+++ b/lib/public_key/src/pubkey_pem.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2011. 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
@@ -69,8 +69,9 @@ encode(PemEntries) ->
encode_pem_entries(PemEntries).
%%--------------------------------------------------------------------
--spec decipher({pki_asn1_type(), decrypt_der(),{Cipher :: string(), Salt :: binary()}}, string()) ->
- der_encoded().
+-spec decipher({pki_asn1_type(), DerEncrypted::binary(),{Cipher :: string(),
+ Salt :: binary()}},
+ string()) -> Der::binary().
%%
%% Description: Deciphers a decrypted pem entry.
%%--------------------------------------------------------------------
@@ -78,7 +79,8 @@ decipher({_, DecryptDer, {Cipher,Salt}}, Password) ->
decode_key(DecryptDer, Password, Cipher, Salt).
%%--------------------------------------------------------------------
--spec cipher(der_encoded(),{Cipher :: string(), Salt :: binary()} , string()) -> binary().
+-spec cipher(Der::binary(),{Cipher :: string(), Salt :: binary()} ,
+ string()) -> binary().
%%
%% Description: Ciphers a PEM entry
%%--------------------------------------------------------------------
@@ -91,11 +93,11 @@ cipher(Der, {Cipher,Salt}, Password)->
encode_pem_entries(Entries) ->
[encode_pem_entry(Entry) || Entry <- Entries].
-encode_pem_entry({Asn1Type, Der, not_encrypted}) ->
- StartStr = pem_start(Asn1Type),
+encode_pem_entry({Type, Der, not_encrypted}) ->
+ StartStr = pem_start(Type),
[StartStr, "\n", b64encode_and_split(Der), "\n", pem_end(StartStr) ,"\n\n"];
-encode_pem_entry({Asn1Type, Der, {Cipher, Salt}}) ->
- StartStr = pem_start(Asn1Type),
+encode_pem_entry({Type, Der, {Cipher, Salt}}) ->
+ StartStr = pem_start(Type),
[StartStr,"\n", pem_decrypt(),"\n", pem_decrypt_info(Cipher, Salt),"\n",
b64encode_and_split(Der), "\n", pem_end(StartStr) ,"\n\n"].
@@ -115,17 +117,17 @@ decode_pem_entries([Start| Lines], Entries) ->
end.
decode_pem_entry(Start, [<<"Proc-Type: 4,ENCRYPTED", _/binary>>, Line | Lines]) ->
- Asn1Type = asn1_type(Start),
+ Type = asn1_type(Start),
Cs = erlang:iolist_to_binary(Lines),
Decoded = base64:mime_decode(Cs),
[_, DekInfo0] = string:tokens(binary_to_list(Line), ": "),
[Cipher, Salt] = string:tokens(DekInfo0, ","),
- {Asn1Type, Decoded, {Cipher, unhex(Salt)}};
+ {Type, Decoded, {Cipher, unhex(Salt)}};
decode_pem_entry(Start, Lines) ->
- Asn1Type = asn1_type(Start),
+ Type = asn1_type(Start),
Cs = erlang:iolist_to_binary(Lines),
- Der = base64:mime_decode(Cs),
- {Asn1Type, Der, not_encrypted}.
+ Decoded = base64:mime_decode(Cs),
+ {Type, Decoded, not_encrypted}.
split_bin(Bin) ->
split_bin(0, Bin).
@@ -153,17 +155,7 @@ split_lines(Bin) ->
[Bin].
%% Ignore white space at end of line
-join_entry([<<"-----END CERTIFICATE-----", _/binary>>| Lines], Entry) ->
- {lists:reverse(Entry), Lines};
-join_entry([<<"-----END RSA PRIVATE KEY-----", _/binary>>| Lines], Entry) ->
- {lists:reverse(Entry), Lines};
-join_entry([<<"-----END PUBLIC KEY-----", _/binary>>| Lines], Entry) ->
- {lists:reverse(Entry), Lines};
-join_entry([<<"-----END RSA PUBLIC KEY-----", _/binary>>| Lines], Entry) ->
- {lists:reverse(Entry), Lines};
-join_entry([<<"-----END DSA PRIVATE KEY-----", _/binary>>| Lines], Entry) ->
- {lists:reverse(Entry), Lines};
-join_entry([<<"-----END DH PARAMETERS-----", _/binary>>| Lines], Entry) ->
+join_entry([<<"-----END ", _/binary>>| Lines], Entry) ->
{lists:reverse(Entry), Lines};
join_entry([Line | Lines], Entry) ->
join_entry(Lines, [Line | Entry]).