From: W.C.A. Wijngaards Date: Wed, 21 Oct 2020 09:51:30 +0000 (+0200) Subject: zonemd, fix that dnssec denial does not invalidate zone. X-Git-Tag: release-1.13.2rc1~269^2~47 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8d29f973dd5e5e33042701a31a95d14e6bb7bb4;p=thirdparty%2Funbound.git zonemd, fix that dnssec denial does not invalidate zone. zonemd, unit test of nsec and nsec3 denial. --- diff --git a/services/authzone.c b/services/authzone.c index 03d41d9c7..b17fe81c3 100644 --- a/services/authzone.c +++ b/services/authzone.c @@ -7628,6 +7628,7 @@ static int zonemd_check_dnssec_absence(struct auth_zone* z, *reason = "DNSSEC NSEC bitmap says type ZONEMD exists"; return 0; } + auth_zone_log(z->name, VERB_ALGO, "zonemd DNSSEC NSEC verification of absence of ZONEMD secure"); } else { /* NSEC3 perhaps ? */ int algo; @@ -7668,6 +7669,7 @@ static int zonemd_check_dnssec_absence(struct auth_zone* z, *reason = "DNSSEC NSEC3 bitmap says type ZONEMD exists"; return 0; } + auth_zone_log(z->name, VERB_ALGO, "zonemd DNSSEC NSEC3 verification of absence of ZONEMD secure"); } return 1; @@ -7747,7 +7749,7 @@ auth_zone_verify_zonemd_with_key(struct auth_zone* z, struct module_env* env, char* reason = NULL; struct auth_data* apex = NULL; struct auth_rrset* zonemd_rrset = NULL; - int zonemd_absent = 0; + int zonemd_absent = 0, zonemd_absence_dnssecok = 0; /* see if ZONEMD is present or absent. */ apex = az_find_name(z, z->name, z->namelen); @@ -7775,6 +7777,7 @@ auth_zone_verify_zonemd_with_key(struct auth_zone* z, struct module_env* env, auth_zone_zonemd_fail(z, env, reason, result); return; } + zonemd_absence_dnssecok = 1; } else if(zonemd_rrset && dnskey) { /* check DNSSEC verify of SOA and ZONEMD */ if(!zonemd_check_dnssec_soazonemd(z, env, dnskey, apex, @@ -7784,14 +7787,25 @@ auth_zone_verify_zonemd_with_key(struct auth_zone* z, struct module_env* env, } } + if(zonemd_absent && 0) { + auth_zone_zonemd_fail(z, env, "ZONEMD absent and that is not allowed by config", result); + return; + } + if(zonemd_absent && zonemd_absence_dnssecok) { + auth_zone_log(z->name, VERB_ALGO, "ZONEMD successful, DNSSEC verified nonexistence of ZONEMD"); + if(result) { + *result = strdup("ZONEMD successful, DNSSEC verified nonexistence of ZONEMD"); + if(!*result) log_err("out of memory"); + } + return; + } + /* check ZONEMD checksum and report or else fail. */ if(!auth_zone_zonemd_check_hash(z, env, &reason)) { auth_zone_zonemd_fail(z, env, reason, result); return; } - if(zonemd_absent) - auth_zone_zonemd_fail(z, env, "ZONEMD absent and that is not allowed by config", result); /* success! log the success */ auth_zone_log(z->name, VERB_ALGO, "ZONEMD verification successful"); if(result) { diff --git a/testcode/unitmain.c b/testcode/unitmain.c index 8ed148e6b..3c198e567 100644 --- a/testcode/unitmain.c +++ b/testcode/unitmain.c @@ -1098,7 +1098,8 @@ static void zonemd_verify_test(char* zname, char* zfile, char* tastr, if(!result) fatal_exit("out of memory"); unit_assert(strcmp(result, result_wanted) == 0); - if(strcmp(result, "ZONEMD verification successful") == 0) { + if(strcmp(result, "ZONEMD verification successful") == 0 || + strcmp(result, "ZONEMD successful, DNSSEC verified nonexistence of ZONEMD") == 0) { lock_rw_rdlock(&z->lock); unit_assert(!z->zone_expired); lock_rw_unlock(&z->lock); @@ -1187,6 +1188,19 @@ static void zonemd_verify_tests(void) "example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af", "20201020135527", "ZONEMD verification successful"); + + /* load a DNSSEC NSEC zone without ZONEMD */ + zonemd_verify_test("example.com", + "testdata/zonemd.example7.zone", + "example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af", + "20201020135527", + "ZONEMD successful, DNSSEC verified nonexistence of ZONEMD"); + /* load a DNSSEC NSEC3 zone without ZONEMD */ + zonemd_verify_test("example.com", + "testdata/zonemd.example8.zone", + "example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af", + "20201020135527", + "ZONEMD successful, DNSSEC verified nonexistence of ZONEMD"); } /** zonemd unit tests */ diff --git a/testdata/zonemd.example7.zone b/testdata/zonemd.example7.zone new file mode 100644 index 000000000..4339bd570 --- /dev/null +++ b/testdata/zonemd.example7.zone @@ -0,0 +1,31 @@ +; DNSSEC NSEC zone without ZONEMD +; created with +; ldns-signzone -e 20201116135527 -i 20201019135527 zonemd.example2.zone Kexample.com.+008+55566 +example.com. 3600 IN SOA ns.example.com. hostmaster.example.com. 200154054 28800 7200 604800 3600 +example.com. 3600 IN RRSIG SOA 8 2 3600 20201116135527 20201019135527 55566 example.com. gcFHT/Q4iDZ78CK6fyY2HZr8sRtgH2Rna9fEs06RW0gqMnfDntweoIaBamOZ7NlAP84aY2bZeanmEccmkHexByUpodCoKQ4NzVXctLr0TO4PVoFyfUfj62fjhM56SF8ioDxsoDQcPtYXcjNQjwfntWofMqHCMxrb9LzbgePzhOM= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20201116135527 20201019135527 55566 example.com. X+V3XsbJbBi9OsHpjMkGCox8RLY/uXp/XX/O/flTrIre9fMDWm9ZGnewtuQFpLgGc6hUTi0eLsuRWRA5fZXEKUBhmoR2Ph01KgE1gvlL7v6zPWQwXVcBRUr3mOSbYdNNkHkXEjiDBGEhNkfqR216zNgw563eEGXOkLUFNIx5Zpg= +example.com. 3600 IN DNSKEY 256 3 8 AwEAAdug/L739i0mgN2nuK/bhxu3wFn5Ud9nK2+XUmZQlPUEZUC5YZvm1rfMmEWTGBn87fFxEu/kjFZHJ55JLzqsbbpVHLbmKCTT2gYR2FV2WDKROGKuYbVkJIXdKAjJ0ONuK507NinYvlWXIoxHn22KAWOd9wKgSTNHBlmGkX+ts3hh ;{id = 55566 (zsk), size = 1024b} +example.com. 3600 IN RRSIG DNSKEY 8 2 3600 20201116135527 20201019135527 55566 example.com. fsdnVg38PKQTH2mDOwkXL6Jre7JP7Gf8WI3CvIbmeYQUJtAlpcSbZkS3wInm3kKMxOuT55BWzndQzpfmpo91OqJjG27W0k9301NMLUwFprA6b9HK+iPAT0JpYPDPzcm1bQdarLzLS+eD/GPwmyVSX7Gze+08VfE8m8sOW2r7UjA= +example.com. 3600 IN NSEC bar.example.com. NS SOA RRSIG NSEC DNSKEY +example.com. 3600 IN RRSIG NSEC 8 2 3600 20201116135527 20201019135527 55566 example.com. ROT+Kh6Y0sEf+L9c2HGPvppLL/DFP5KcX/zSjy7ovM7vXTrrdhEhOedbuccN84tk6VU8udGIixd5Usc+juZ+WsiWwaSNB5rKo6lZ9ceOJlYVzLCmawePzTsl6VAIiIVXwrMxGz/amBd+Ou/1NCuXJiWVThU9PDyJ/lQZbVJEHMA= +bar.example.com. 3600 IN A 1.2.3.4 +bar.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. NYhmRicF4C9+YxpWeQrepy4ALM1CM0USoDuGi3W5Xtp4/+YpCJfSIdR9vlJaJ2WayYuZrz9Ai2ci7oWwE1Fn3oywGwCKvGo9m0c3mC2eEtphE19wrop6pWu6um4RiFhmzYS1voraA3PAdYzze9U4NHzlk0+sb5vNZW9dSZS30Ds= +bar.example.com. 3600 IN NSEC ding.example.com. A RRSIG NSEC +bar.example.com. 3600 IN RRSIG NSEC 8 3 3600 20201116135527 20201019135527 55566 example.com. VhsGuBx20DXQZNU8ITAMnasn6NVyEjN9xtB8msH5xJn80UCuaqvFBURzcPWN3aHnykEvGfdPF/9P3WvlON0cMikWkqSLy6Q9bpvgAq13HWYh+ZcDoqLtICaB7RkBQc+6aHAqZFyQbD8/m8Kxt5eVJtV6rEuf+yPX0+3aXHhsRg0= +ding.example.com. 3600 IN A 1.2.3.4 +ding.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. OERsruISkpd1s68ute8Xm8YXisBCTkkiDMt34K+0dVqvySOJq63d3qN18BeUxZxLyHDB1eR3nZZKqEdkTqrv2r98skhWhjnOECpFbu5gKjtN/KPexbbJ+rxC0QqciuWOC7M6YE0cvI17/RB9KhVRy5rqY2X4Gt2wk2CNeD1dAko= +ding.example.com. 3600 IN NSEC foo.example.com. A RRSIG NSEC +ding.example.com. 3600 IN RRSIG NSEC 8 3 3600 20201116135527 20201019135527 55566 example.com. nb1W2aaKrU5iAQiY8gMsoMOejID19JMTEwY2rRoe+KsvzMs0rE0ifEkqit4blXaU0tfy0foJ70uqdJFqBoGz1NcSwZ6GNk/iNfGvG3XpxZ/zqEe7kkIucqqei794G7z9psqV94yZ3WaT+IswPpWrSaWv1w41RtcWufPhe4fOAmU= +foo.example.com. 3600 IN A 1.2.3.4 +foo.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. ZcUngb2pUejwnsshbJN/Dfr+Bzu8fcZXyqLArQ+10Bw1IPHyfx7yyUJ43V5tTYVHPSEsJzTnaWj+olVrNhVZxq5e0pgzSYPfGln2FEItEvMIOn33j8yKTpPW2MLyuFF5ZkXhosG20EUwRMvMmRHRz9mIZfwWoMbSGPukmLh8zMA= +foo.example.com. 3600 IN NSEC ns.example.com. A RRSIG NSEC +foo.example.com. 3600 IN RRSIG NSEC 8 3 3600 20201116135527 20201019135527 55566 example.com. fUZEpkEULRWDntN5Z7Kr8M83Hjhf08ECMKRpo6IBoBc3ayenj+YMgWAvFXC825wjENPYYWNGag0d32U83zCZxqgv+8uXZd3B7QDpTbL41aWZdc++s5YWTkYjyOWwJ1XHOv4nL3qEnJBXVzo/E1gbSKhTFuG97i+7J1MFd9MsC5s= +ns.example.com. 3600 IN A 127.0.0.1 +ns.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. SiuxuPtN/ITd+Z20j8UNUHJWbLHirE8zQOWMv5fAZ1rPKpAidrZgUL8J417GdrTwkueU2ywAJ7EzFJSwNTa7o/wUnq7svmOR6Ze6UQsKuZFZGEfqPNDRp4YuF86LU5jChuo+f/IRpydHrxVwGxDPCR9KarDM+ewfW+yI5bZeZcg= +ns.example.com. 3600 IN NSEC www.example.com. A RRSIG NSEC +ns.example.com. 3600 IN RRSIG NSEC 8 3 3600 20201116135527 20201019135527 55566 example.com. 0upKNYjiow4NDJm3I1RbUddE9GGuFYEVKswww5BAc/6WHuukupncL30lskvcSKGpByDssP2Hi2CufyEtYeGWh6q1TxtOFRqFBX1p6Q5b3tBlCtvv4h31dQR9uqLvq+GkGS5MR+0LO5kWagIpZmnI8YY5plVdXEtNbp2Ar8zvz/A= +www.example.com. 3600 IN A 127.0.0.1 +www.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. AaIeICaPjV50TDrpbyOn94+hs8EYIMTmN4pYqj7e8GIGimqQIk5jgpwSx6SOoOF+uOqkf9GKHkQTn5YVGaeXwEQleg7mPTmMYKAOk06Y7MFUO1Vwt1Vt7Wo+Cpa3x2a1CmEkfFOi4WqP43VJnUtjjKmXoKRz3VUmqByyJYUAGbQ= +www.example.com. 3600 IN NSEC example.com. A RRSIG NSEC +www.example.com. 3600 IN RRSIG NSEC 8 3 3600 20201116135527 20201019135527 55566 example.com. meg/t6nIBqQZ0d5/dT7uu/3CuP4vE+HxqFQaj2fjUNceA/6C7QIQnqQ5Kyblg+XijDkQX0yvyFNHYdgF16UDgFT7tlNUCHk1SpF5BWzV4c4tBEhxASTz7UQo111O3Tyd6CldPzO/Se15Ud0/ZYltHEqWTfY5nJoXC/OJD9V2QOI= diff --git a/testdata/zonemd.example8.zone b/testdata/zonemd.example8.zone new file mode 100644 index 000000000..2900753c0 --- /dev/null +++ b/testdata/zonemd.example8.zone @@ -0,0 +1,34 @@ +; DNSSEC NSEC3 zone without ZONEMD +; created with +; ldns-signzone -n -s 012345 -e 20201116135527 -i 20201019135527 zonemd.example2.zone Kexample.com.+008+55566 + +example.com. 3600 IN SOA ns.example.com. hostmaster.example.com. 200154054 28800 7200 604800 3600 +example.com. 3600 IN RRSIG SOA 8 2 3600 20201116135527 20201019135527 55566 example.com. gcFHT/Q4iDZ78CK6fyY2HZr8sRtgH2Rna9fEs06RW0gqMnfDntweoIaBamOZ7NlAP84aY2bZeanmEccmkHexByUpodCoKQ4NzVXctLr0TO4PVoFyfUfj62fjhM56SF8ioDxsoDQcPtYXcjNQjwfntWofMqHCMxrb9LzbgePzhOM= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20201116135527 20201019135527 55566 example.com. X+V3XsbJbBi9OsHpjMkGCox8RLY/uXp/XX/O/flTrIre9fMDWm9ZGnewtuQFpLgGc6hUTi0eLsuRWRA5fZXEKUBhmoR2Ph01KgE1gvlL7v6zPWQwXVcBRUr3mOSbYdNNkHkXEjiDBGEhNkfqR216zNgw563eEGXOkLUFNIx5Zpg= +example.com. 3600 IN DNSKEY 256 3 8 AwEAAdug/L739i0mgN2nuK/bhxu3wFn5Ud9nK2+XUmZQlPUEZUC5YZvm1rfMmEWTGBn87fFxEu/kjFZHJ55JLzqsbbpVHLbmKCTT2gYR2FV2WDKROGKuYbVkJIXdKAjJ0ONuK507NinYvlWXIoxHn22KAWOd9wKgSTNHBlmGkX+ts3hh ;{id = 55566 (zsk), size = 1024b} +example.com. 3600 IN RRSIG DNSKEY 8 2 3600 20201116135527 20201019135527 55566 example.com. fsdnVg38PKQTH2mDOwkXL6Jre7JP7Gf8WI3CvIbmeYQUJtAlpcSbZkS3wInm3kKMxOuT55BWzndQzpfmpo91OqJjG27W0k9301NMLUwFprA6b9HK+iPAT0JpYPDPzcm1bQdarLzLS+eD/GPwmyVSX7Gze+08VfE8m8sOW2r7UjA= +example.com. 3600 IN NSEC3PARAM 1 0 1 012345 +example.com. 3600 IN RRSIG NSEC3PARAM 8 2 3600 20201116135527 20201019135527 55566 example.com. CDbcPLDrpVUyk3v7kwQ3LNzzhDHS40e0LDv7IZrzMt2AO/6SJ7xhlG+qByhc7CFBUMvBNaOteO5th0tvotWxk0UrVhqRyyXNCr8SmDdAaPH4SGwJ2p+XPIwn0CTXDpyOcgCrW0Kt2OjubA+4fQwjkGYFuDATY5QOITe6kGJpKpw= +v4cknoe1mioduf5bmhgfjjq4dlqet8fm.example.com. 3600 IN NSEC3 1 0 1 012345 2v43f6ripfocif5h6bbi07glq6849rnj NS SOA RRSIG DNSKEY NSEC3PARAM +v4cknoe1mioduf5bmhgfjjq4dlqet8fm.example.com. 3600 IN RRSIG NSEC3 8 3 3600 20201116135527 20201019135527 55566 example.com. J2LISTGtBe+x2pNESBOYrBHAJjEDVFkmjJf2kj0GSFYisvSuy6ZUvQZZUB9sfLmEX18FpdNTieE8MrR2nbpKWfgVBDdGtcU72x/GOIRRq586A1KNtP2eJ81vcblM5dvqvpht46tF+xy85j9G9BYxpcT1PQRpvmho9yhgCxq2kUQ= +bar.example.com. 3600 IN A 1.2.3.4 +bar.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. NYhmRicF4C9+YxpWeQrepy4ALM1CM0USoDuGi3W5Xtp4/+YpCJfSIdR9vlJaJ2WayYuZrz9Ai2ci7oWwE1Fn3oywGwCKvGo9m0c3mC2eEtphE19wrop6pWu6um4RiFhmzYS1voraA3PAdYzze9U4NHzlk0+sb5vNZW9dSZS30Ds= +c6ntadrd765diocebcrq6trs8npn83o3.example.com. 3600 IN NSEC3 1 0 1 012345 f0lpjkgefgrobj5pucem78r2ouo53fq8 A RRSIG +c6ntadrd765diocebcrq6trs8npn83o3.example.com. 3600 IN RRSIG NSEC3 8 3 3600 20201116135527 20201019135527 55566 example.com. gTDi/2e/RPeSOwoBr6oqfoFsGXAknLX3J96EHzMmhtRR7W4pEW8uXKsMJ3rr4qgUUX+ZtzoCMYy+UBkiJfjpWvMToGtuADNOzz0rF8BESaW/8k6iDKPmqmwdGyLGMmfGjYPcb4qg3+9egLejA+fF1OSrhHuINeO80ouw++PL0ns= +ding.example.com. 3600 IN A 1.2.3.4 +ding.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. OERsruISkpd1s68ute8Xm8YXisBCTkkiDMt34K+0dVqvySOJq63d3qN18BeUxZxLyHDB1eR3nZZKqEdkTqrv2r98skhWhjnOECpFbu5gKjtN/KPexbbJ+rxC0QqciuWOC7M6YE0cvI17/RB9KhVRy5rqY2X4Gt2wk2CNeD1dAko= +r18q2sl76hceldh0keqr7vnqc15db64a.example.com. 3600 IN NSEC3 1 0 1 012345 v4cknoe1mioduf5bmhgfjjq4dlqet8fm A RRSIG +r18q2sl76hceldh0keqr7vnqc15db64a.example.com. 3600 IN RRSIG NSEC3 8 3 3600 20201116135527 20201019135527 55566 example.com. VugivzPyv5+qZhl+x0frrykYyOOdZfcKdmIA13P4OzhtiRNhCRHznhrdTlmfLw/b5Rs5jFX7Iw/hhU80Geg72cYG4KVJwtP6zTyFApDl/8x3rj3vhZOc2nwpYmjjFsyrlb7M2RhcStnS6c/2R4+dBFwwVZXyJBi3fo9NybujI9g= +foo.example.com. 3600 IN A 1.2.3.4 +foo.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. ZcUngb2pUejwnsshbJN/Dfr+Bzu8fcZXyqLArQ+10Bw1IPHyfx7yyUJ43V5tTYVHPSEsJzTnaWj+olVrNhVZxq5e0pgzSYPfGln2FEItEvMIOn33j8yKTpPW2MLyuFF5ZkXhosG20EUwRMvMmRHRz9mIZfwWoMbSGPukmLh8zMA= +f0lpjkgefgrobj5pucem78r2ouo53fq8.example.com. 3600 IN NSEC3 1 0 1 012345 r18q2sl76hceldh0keqr7vnqc15db64a A RRSIG +f0lpjkgefgrobj5pucem78r2ouo53fq8.example.com. 3600 IN RRSIG NSEC3 8 3 3600 20201116135527 20201019135527 55566 example.com. zishUbm8GxjaHOOUdbz0ZEut99dm+DQ/zvxhOTeS3kmUnL8t3ISew641JeNvvajAUk/xn6eGHjLBuHfwNG+itF2pSD8Gl6Ppo22Y0C9uO5TyRQalYpjtz1kI/VlIelcd0TyusmIMaRChswtpctPKITbr8Wl+MoZZtPQhJ5NjQlQ= +ns.example.com. 3600 IN A 127.0.0.1 +ns.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. SiuxuPtN/ITd+Z20j8UNUHJWbLHirE8zQOWMv5fAZ1rPKpAidrZgUL8J417GdrTwkueU2ywAJ7EzFJSwNTa7o/wUnq7svmOR6Ze6UQsKuZFZGEfqPNDRp4YuF86LU5jChuo+f/IRpydHrxVwGxDPCR9KarDM+ewfW+yI5bZeZcg= +2v43f6ripfocif5h6bbi07glq6849rnj.example.com. 3600 IN NSEC3 1 0 1 012345 91onuasouslv1so1i62id4rf0l763dss A RRSIG +2v43f6ripfocif5h6bbi07glq6849rnj.example.com. 3600 IN RRSIG NSEC3 8 3 3600 20201116135527 20201019135527 55566 example.com. d9CluwN3zWfLe20J212CuwNzJVbVsDR4eijuJyLpyHzziSc10CauWtUiuHeQMXCVJNwhPSb5kQTfKtql+Jd44BQlenRt/sHfa6YZEOwClN4O8V0vZ43K4vlwwWbh5kxQbFQ/e+w4vlYb1m4PHwzDLtqocNQ9T4A8SXl3A8paZqI= +www.example.com. 3600 IN A 127.0.0.1 +www.example.com. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55566 example.com. AaIeICaPjV50TDrpbyOn94+hs8EYIMTmN4pYqj7e8GIGimqQIk5jgpwSx6SOoOF+uOqkf9GKHkQTn5YVGaeXwEQleg7mPTmMYKAOk06Y7MFUO1Vwt1Vt7Wo+Cpa3x2a1CmEkfFOi4WqP43VJnUtjjKmXoKRz3VUmqByyJYUAGbQ= +91onuasouslv1so1i62id4rf0l763dss.example.com. 3600 IN NSEC3 1 0 1 012345 c6ntadrd765diocebcrq6trs8npn83o3 A RRSIG +91onuasouslv1so1i62id4rf0l763dss.example.com. 3600 IN RRSIG NSEC3 8 3 3600 20201116135527 20201019135527 55566 example.com. czJf5HkfHLpfGcku2iZnCu9tXnM7VWOYYhGtVAwkYG0M6BO4LzRxGCV3SkUvHLFxoqQY0DZLnafPl2MKg8zsF+tusf3e3xmpcCSR29IfuDYH7GzuVCj3H0ScmXM0lvyQ92JpJ0AMqq2mW1nvKmgjkyugs+EMpxcFVjhibljocLU=