diff options
Diffstat (limited to 'lib/ssl/src/ssl_handshake.erl')
| -rw-r--r-- | lib/ssl/src/ssl_handshake.erl | 56 |
1 files changed, 27 insertions, 29 deletions
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index db21dac942..c0618d687d 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -32,7 +32,7 @@ -export([master_secret/4, client_hello/8, server_hello/5, hello/4, hello_request/0, certify/7, certificate/4, - client_certificate_verify/6, certificate_verify/6, + client_certificate_verify/6, certificate_verify/6, verify_signature/5, certificate_request/3, key_exchange/3, server_key_exchange_hash/2, finished/5, verify_connection/6, get_tls_handshake/3, decode_client_key/3, server_hello_done/0, @@ -320,25 +320,36 @@ client_certificate_verify(OwnCert, MasterSecret, Version, %% %% Description: Checks that the certificate_verify message is valid. %%-------------------------------------------------------------------- -certificate_verify(Signature, {?'rsaEncryption', PublicKey, _}, Version, - {HashAlgo, _SignAlgo}, MasterSecret, {_, Handshake}) -> - Hashes = calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake), - case certificate_verify_rsa(Hashes, HashAlgo, Signature, PublicKey, Version) of +certificate_verify(Signature, PublicKeyInfo, Version, + HashSign = {HashAlgo, _}, MasterSecret, {_, Handshake}) -> + Hash = calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake), + case verify_signature(Version, Hash, HashSign, Signature, PublicKeyInfo) of true -> valid; _ -> - ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE) - end; -certificate_verify(Signature, {?'id-dsa', PublicKey, PublicKeyParams}, Version, - {HashAlgo, _SignAlgo}, MasterSecret, {_, Handshake}) -> - Hashes = calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake), - case public_key:verify({digest, Hashes}, sha, Signature, {PublicKey, PublicKeyParams}) of - true -> - valid; - false -> ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE) end. +%%-------------------------------------------------------------------- +-spec verify_signature(tls_version(), binary(), {term(), term()}, binary(), + public_key_info()) -> true | false. +%% +%% Description: Checks that a public_key signature is valid. +%%-------------------------------------------------------------------- +verify_signature(_Version, _Hash, {_HashAlgo, anon}, _Signature, _) -> + true; +verify_signature({3, Minor}, Hash, {HashAlgo, rsa}, Signature, {?rsaEncryption, PubKey, _PubKeyParams}) + when Minor >= 3 -> + public_key:verify({digest, Hash}, HashAlgo, Signature, PubKey); +verify_signature(_Version, Hash, _HashAlgo, Signature, {?rsaEncryption, PubKey, _PubKeyParams}) -> + case public_key:decrypt_public(Signature, PubKey, + [{rsa_pad, rsa_pkcs1_padding}]) of + Hash -> true; + _ -> false + end; +verify_signature(_Version, Hash, {HashAlgo, dsa}, Signature, {?'id-dsa', PublicKey, PublicKeyParams}) -> + public_key:verify({digest, Hash}, HashAlgo, Signature, {PublicKey, PublicKeyParams}). + %%-------------------------------------------------------------------- -spec certificate_request(#connection_states{}, db_handle(), certdb_ref()) -> @@ -1328,8 +1339,8 @@ certificate_authorities_from_db(CertDbHandle, CertDbRef) -> digitally_signed({3, Minor}, Hash, HashAlgo, Key) when Minor >= 3 -> public_key:sign({digest, Hash}, HashAlgo, Key); -digitally_signed(_Version, Hash, _HashAlgo, #'DSAPrivateKey'{} = Key) -> - public_key:sign({digest, Hash}, sha, Key); +digitally_signed(_Version, Hash, HashAlgo, #'DSAPrivateKey'{} = Key) -> + public_key:sign({digest, Hash}, HashAlgo, Key); digitally_signed(_Version, Hash, _HashAlgo, #'RSAPrivateKey'{} = Key) -> public_key:encrypt_private(Hash, Key, [{rsa_pad, rsa_pkcs1_padding}]). @@ -1378,19 +1389,6 @@ apply_user_fun(Fun, OtpCert, ExtensionOrError, UserState0, SslState) -> {unknown, {SslState, UserState}} end. -certificate_verify_rsa(Hashes, sha, Signature, PublicKey, {Major, Minor}) - when Major == 3, Minor >= 3 -> - public_key:verify({digest, Hashes}, sha, Signature, PublicKey); -certificate_verify_rsa(Hashes, HashAlgo, Signature, PublicKey, {Major, Minor}) - when Major == 3, Minor >= 3 -> - public_key:verify({digest, Hashes}, HashAlgo, Signature, PublicKey); -certificate_verify_rsa(Hashes, _HashAlgo, Signature, PublicKey, _Version) -> - case public_key:decrypt_public(Signature, PublicKey, - [{rsa_pad, rsa_pkcs1_padding}]) of - Hashes -> true; - _ -> false - end. - -define(TLSEXT_SIGALG_RSA(MD), {MD, rsa}). -define(TLSEXT_SIGALG_DSA(MD), {MD, dsa}). |