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authorPéter Dimitrov <[email protected]>2018-06-12 09:49:08 +0200
committerPéter Dimitrov <[email protected]>2018-06-12 09:49:08 +0200
commit43bd7fbfe23533f59b74ec6accad48c0c26b71a7 (patch)
tree6d789814c0c56a2c944d22c486aeae95c9e84c47 /lib/ssl/src/ssl_cipher.erl
parent438218baad361fdd2666d29f8ed3a0bcc9eeae60 (diff)
parentbb960a900d697c636947c788ff89306639c904a5 (diff)
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Merge branch 'peterdmv/ssl/suite_to_str/ERL-600/OTP-15106'
* peterdmv/ssl/suite_to_str/ERL-600/OTP-15106: ssl: Add new API function suite_to_str/1 Change-Id: Icf214ece4e1d281da12b02dadc63d4a2ca346563
Diffstat (limited to 'lib/ssl/src/ssl_cipher.erl')
-rw-r--r--lib/ssl/src/ssl_cipher.erl28
1 files changed, 27 insertions, 1 deletions
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index 3f8b9a8a9b..c5b5b76f05 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -43,7 +43,7 @@
filter/3, filter_suites/1, filter_suites/2,
hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2, is_fallback/1,
random_bytes/1, calc_mac_hash/4,
- is_stream_ciphersuite/1]).
+ is_stream_ciphersuite/1, suite_to_str/1]).
-export_type([cipher_suite/0,
erl_cipher_suite/0, old_erl_cipher_suite/0, openssl_cipher_suite/0,
@@ -1877,6 +1877,32 @@ suite(#{key_exchange := dhe_rsa,
prf := sha256}) ->
?TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256.
+
+%%--------------------------------------------------------------------
+-spec suite_to_str(erl_cipher_suite()) -> string().
+%%
+%% Description: Return the string representation of a cipher suite.
+%%--------------------------------------------------------------------
+suite_to_str(#{key_exchange := null,
+ cipher := null,
+ mac := null,
+ prf := null}) ->
+ "TLS_EMPTY_RENEGOTIATION_INFO_SCSV";
+suite_to_str(#{key_exchange := Kex,
+ cipher := Cipher,
+ mac := aead,
+ prf := PRF}) ->
+ "TLS_" ++ string:to_upper(atom_to_list(Kex)) ++
+ "_WITH_" ++ string:to_upper(atom_to_list(Cipher)) ++
+ "_" ++ string:to_upper(atom_to_list(PRF));
+suite_to_str(#{key_exchange := Kex,
+ cipher := Cipher,
+ mac := Mac}) ->
+ "TLS_" ++ string:to_upper(atom_to_list(Kex)) ++
+ "_WITH_" ++ string:to_upper(atom_to_list(Cipher)) ++
+ "_" ++ string:to_upper(atom_to_list(Mac)).
+
+
%%--------------------------------------------------------------------
-spec openssl_suite(openssl_cipher_suite()) -> cipher_suite().
%%