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-rw-r--r--lib/ssl/src/ssl_handshake.erl137
1 files changed, 85 insertions, 52 deletions
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index b9b1ccb134..5b1a510034 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -276,9 +276,9 @@ client_certificate_verify(OwnCert, MasterSecret, Version, Algorithm,
end.
%%--------------------------------------------------------------------
-%% -spec certificate_verify(binary(), public_key_info(), tls_version(),
-%% binary(), key_algo(),
-%% {_, {binary(), binary()}}) -> valid | #alert{}.
+-spec certificate_verify(binary(), public_key_info(), tls_version(),
+ binary(), key_algo(),
+ {_, {binary(), binary()}}) -> valid | #alert{}.
%%
%% Description: Checks that the certificate_verify message is valid.
%%--------------------------------------------------------------------
@@ -474,6 +474,88 @@ decode_client_key(ClientKey, Type, Version) ->
dec_client_key(ClientKey, key_exchange_alg(Type), Version).
%%--------------------------------------------------------------------
+-spec init_hashes() ->{{binary(), binary()}, {binary(), binary()}}.
+
+%%
+%% Description: Calls crypto hash (md5 and sha) init functions to
+%% initalize the hash context.
+%%--------------------------------------------------------------------
+init_hashes() ->
+ T = {crypto:md5_init(), crypto:sha_init()},
+ {T, T}.
+
+%%--------------------------------------------------------------------
+-spec update_hashes({{binary(), binary()}, {binary(), binary()}}, Data ::term()) ->
+ {{binary(), binary()}, {binary(), binary()}}.
+%%
+%% Description: Calls crypto hash (md5 and sha) update functions to
+%% update the hash context with Data.
+%%--------------------------------------------------------------------
+update_hashes(Hashes, % special-case SSL2 client hello
+ <<?CLIENT_HELLO, ?UINT24(_), ?BYTE(Major), ?BYTE(Minor),
+ ?UINT16(CSLength), ?UINT16(0),
+ ?UINT16(CDLength),
+ CipherSuites:CSLength/binary,
+ ChallengeData:CDLength/binary>>) ->
+ update_hashes(Hashes,
+ <<?CLIENT_HELLO, ?BYTE(Major), ?BYTE(Minor),
+ ?UINT16(CSLength), ?UINT16(0),
+ ?UINT16(CDLength),
+ CipherSuites:CSLength/binary,
+ ChallengeData:CDLength/binary>>);
+update_hashes({{MD50, SHA0}, _Prev}, Data) ->
+ ?DBG_HEX(Data),
+ {MD51, SHA1} = {crypto:md5_update(MD50, Data),
+ crypto:sha_update(SHA0, Data)},
+ ?DBG_HEX(crypto:md5_final(MD51)),
+ ?DBG_HEX(crypto:sha_final(SHA1)),
+ {{MD51, SHA1}, {MD50, SHA0}}.
+
+%%--------------------------------------------------------------------
+-spec decrypt_premaster_secret(binary(), #'RSAPrivateKey'{}) -> binary().
+
+%%
+%% Description: Public key decryption using the private key.
+%%--------------------------------------------------------------------
+decrypt_premaster_secret(Secret, RSAPrivateKey) ->
+ try public_key:decrypt_private(Secret, RSAPrivateKey,
+ [{rsa_pad, rsa_pkcs1_padding}])
+ catch
+ _:_ ->
+ throw(?ALERT_REC(?FATAL, ?DECRYPTION_FAILED))
+ end.
+
+%%--------------------------------------------------------------------
+-spec server_key_exchange_hash(rsa | dhe_rsa| dhe_dss, binary()) -> binary().
+
+%%
+%% Description: Calculate server key exchange hash
+%%--------------------------------------------------------------------
+server_key_exchange_hash(Algorithm, Value) when Algorithm == rsa;
+ Algorithm == dhe_rsa ->
+ MD5 = crypto:md5(Value),
+ SHA = crypto:sha(Value),
+ <<MD5/binary, SHA/binary>>;
+
+server_key_exchange_hash(dhe_dss, Value) ->
+ crypto:sha(Value).
+
+%%--------------------------------------------------------------------
+-spec sig_alg(atom()) -> integer().
+
+%%
+%% Description: Translate atom representation to enum representation.
+%%--------------------------------------------------------------------
+sig_alg(dh_anon) ->
+ ?SIGNATURE_ANONYMOUS;
+sig_alg(Alg) when Alg == dhe_rsa; Alg == rsa ->
+ ?SIGNATURE_RSA;
+sig_alg(dhe_dss) ->
+ ?SIGNATURE_DSA;
+sig_alg(_) ->
+ ?NULL.
+
+%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
get_tls_handshake_aux(<<?BYTE(Type), ?UINT24(Length),
@@ -861,14 +943,6 @@ encrypted_premaster_secret(Secret, RSAPublicKey) ->
throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE))
end.
-decrypt_premaster_secret(Secret, RSAPrivateKey) ->
- try public_key:decrypt_private(Secret, RSAPrivateKey,
- [{rsa_pad, rsa_pkcs1_padding}])
- catch
- _:_ ->
- throw(?ALERT_REC(?FATAL, ?DECRYPTION_FAILED))
- end.
-
%% encode/decode stream of certificate data to/from list of certificate data
certs_to_list(ASN1Certs) ->
certs_to_list(ASN1Certs, []).
@@ -987,29 +1061,6 @@ enc_hello_extensions([#renegotiation_info{renegotiated_connection = Info} | Rest
Len = InfoLen +1,
enc_hello_extensions(Rest, <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), ?BYTE(InfoLen), Info/binary, Acc/binary>>).
-init_hashes() ->
- T = {crypto:md5_init(), crypto:sha_init()},
- {T, T}.
-
-update_hashes(Hashes, % special-case SSL2 client hello
- <<?CLIENT_HELLO, ?UINT24(_), ?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>) ->
- update_hashes(Hashes,
- <<?CLIENT_HELLO, ?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>);
-update_hashes({{MD50, SHA0}, _Prev}, Data) ->
- ?DBG_HEX(Data),
- {MD51, SHA1} = {crypto:md5_update(MD50, Data),
- crypto:sha_update(SHA0, Data)},
- ?DBG_HEX(crypto:md5_final(MD51)),
- ?DBG_HEX(crypto:sha_final(SHA1)),
- {{MD51, SHA1}, {MD50, SHA0}}.
from_3bytes(Bin3) ->
from_3bytes(Bin3, []).
@@ -1098,24 +1149,6 @@ calc_certificate_verify({3, N}, _, Algorithm, Hashes)
when N == 1; N == 2 ->
ssl_tls1:certificate_verify(Algorithm, Hashes).
-server_key_exchange_hash(Algorithm, Value) when Algorithm == rsa;
- Algorithm == dhe_rsa ->
- MD5 = crypto:md5(Value),
- SHA = crypto:sha(Value),
- <<MD5/binary, SHA/binary>>;
-
-server_key_exchange_hash(dhe_dss, Value) ->
- crypto:sha(Value).
-
-sig_alg(dh_anon) ->
- ?SIGNATURE_ANONYMOUS;
-sig_alg(Alg) when Alg == dhe_rsa; Alg == rsa ->
- ?SIGNATURE_RSA;
-sig_alg(dhe_dss) ->
- ?SIGNATURE_DSA;
-sig_alg(_) ->
- ?NULL.
-
key_exchange_alg(rsa) ->
?KEY_EXCHANGE_RSA;
key_exchange_alg(Alg) when Alg == dhe_rsa; Alg == dhe_dss;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 00:25:20 +0000