mirror of
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92 lines
3.2 KiB
Python
92 lines
3.2 KiB
Python
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#coding:utf-8
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#
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# id: bugs.gh_6858
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# title: RSA_DECRYPT() can not decrypt data if it relates to BLOB type
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# decription:
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# https://github.com/FirebirdSQL/firebird/issues/6858
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#
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# Confirmed bug on 4.0.0.2508; 5.0.0.75.
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# Checked on intermediate builds 4.0.1.2517 (17.06.2021 15:12), 5.0.0.79 (17.06.2021 14:44) - all OK.
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#
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#
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# tracker_id:
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# min_versions: ['4.0']
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# versions: 4.0
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# qmid: None
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 4.0
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# resources: None
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substitutions_1 = []
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init_script_1 = """"""
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db_1 = db_factory(sql_dialect=3, init=init_script_1)
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test_script_1 = """
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recreate table test(
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id int generated by default as identity constraint pk_txt primary key
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,blb blob character set utf8
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--,blb varchar(1) character set utf8
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);
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insert into test(blb) values('A');
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commit;
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-- NO errors must be issued during following EB execution:
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-- ##############
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-- Previous error messages see in commented lines below:
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set term ^;
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execute block
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as
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declare k_prv varbinary(16384);
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declare k_pub varbinary(8192);
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declare blob_encrypted blob character set octets;
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declare vchr_encrypted varchar(256) character set octets;
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declare blob_decrypted blob character set utf8;
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declare vchr_decrypted varchar(10) character set utf8;
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begin
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k_prv = rsa_private(256);
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k_pub = rsa_public(k_prv);
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for select id, blb from test as cursor c
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do begin
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blob_encrypted = rsa_encrypt(c.blb key k_pub hash md5);
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vchr_encrypted = rsa_encrypt(c.blb key k_pub hash md5);
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--------------------------### 1 ###-------------------------------
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-- SQLSTATE = 22023 / TomCrypt library error: Invalid input packet. / -Decrypting using cipher RSA
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blob_decrypted = rsa_decrypt(blob_encrypted key k_prv hash md5);
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--------------------------### 2 ###------------------------------------------
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-- if declared length of `vchr_decrypted` is 256 then:
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-- SQLSTATE = 22023 / TomCrypt library error: Invalid input packet. / -Decrypting using cipher RSA
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-- if declared length of `vchr_decrypted` is 10, then OK:
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vchr_decrypted = rsa_decrypt(blob_encrypted key k_prv hash md5);
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--------------------------### 3 ###-------------------------------
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-- malformed string
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blob_decrypted = rsa_decrypt(vchr_encrypted key k_prv hash md5);
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--------------------------### 4 ###-------------------------------
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-- malformed string
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vchr_decrypted = rsa_decrypt(vchr_encrypted key k_prv hash md5);
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end
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end
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^
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set term ;^
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"""
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act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
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@pytest.mark.version('>=4.0')
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def test_1(act_1: Action):
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act_1.execute()
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assert act_1.clean_stdout == act_1.clean_expected_stdout
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