16 files changed, 62 insertions, 10 deletions

diff --git a/docs/TESTS.md b/docs/TESTS.md
index c62234b..59bd27b 100644
--- a/docs/TESTS.md
+++ b/docs/TESTS.md
@@ -59,7 +59,7 @@ Tests on a category of wrong curves. These curves are not really curves as they
  - non-prime field in the prime-field case
  - reducible polynomial as the field polynomial in the binary case
 
-This test suite also does some additional tests with corrupting the field parameter:
+This test suite also does some additional tests with corrupting the parameters:
  - Fp:
    - p = 0
    - p = 1
@@ -87,6 +87,9 @@ Tests using curves that don't have a prime order/nearly prime order.
 These tests should generally fail, a success here implies the card will use a non-secure curve if such curve is set
 by the applet. Operations over such curves are susceptible to small-subgroup attacks.
 
+   - r = p * q
+   - \[r\]G = infinity but r != |G|, so |G| divides r
+   
 For example:
 ```bash
 java -jar ECTester.jar -t composite
diff --git a/src/cz/crcs/ectester/data/composite/composite128_rg0.csv b/src/cz/crcs/ectester/data/composite/composite128_rg0.csv
new file mode 100644
index 0000000..2e039f4
--- /dev/null
+++ b/src/cz/crcs/ectester/data/composite/composite128_rg0.csv
@@ -0,0 +1 @@
+0xee6b3964632807cf11b8b9dba1b4f099,0x1fd6f78c0303652c5b7de184a4744f98,0x2da1b3253571565989f3b72b865a3e27,0x6ef5b1d42abdbd6f44bcf4d64504927c,0x73e82c27b93032b7a7a15111d1569bb3,0xee6b3964632807cd9c885b5658f1a7c7,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite160_rg0.csv b/src/cz/crcs/ectester/data/composite/composite160_rg0.csv
new file mode 100644
index 0000000..e6a1a95
--- /dev/null
+++ b/src/cz/crcs/ectester/data/composite/composite160_rg0.csv
@@ -0,0 +1 @@
+0x919cf0a89ca7a8ea2f61156ea4b3100a2a357477,0x75cd1f1c32f1e5d2b2d54db103b22d296de34722,0x3177d3e2f79c884a0b1a6e74d9843c3a52e794de,0x706deef87d4593bbeaa70bc2609e1d8c0e2e0c10,0x64df2537d395da2e0cb8c7e340426b64699cf325,0x919cf0a89ca7a8ea2f626ab2ab86ff4a074a5d51,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite192_rg0.csv b/src/cz/crcs/ectester/data/composite/composite192_rg0.csv
new file mode 100644
index 0000000..a55a994
--- /dev/null
+++ b/src/cz/crcs/ectester/data/composite/composite192_rg0.csv
@@ -0,0 +1 @@
+0xa261fff62647eebf810a404f0c80a971dd7c7838fdc52b5b,0x87502ebb62d26e1eca06c434f8ef069dfb2c287d6183750c,0x4ad6ce1f16e1bfc3d40f0027d787aeadb53846d69099a883,0x6366613b66339fa580f390d630ccf9b535437229aa8b61cd,0x2abab8c0e803a3612c7a7fbcb47e06fd8ef42a7a7d8c380f,0xa261fff62647eebf810a404f23ba4db93199e2e02ccffdfd,0x1
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite224_rg0.csv b/src/cz/crcs/ectester/data/composite/composite224_rg0.csv
new file mode 100644
index 0000000..835676d
--- /dev/null
+++ b/src/cz/crcs/ectester/data/composite/composite224_rg0.csv
@@ -0,0 +1 @@
+0xa0dccd401872aa37c279e2469a08d97d559addb6fc870a1766f80e6f,0x393797f1d924dc63c761d4497086d09284a922a5517c07f93f3a075c,0x54f4673322854dafc1241b66192134ea9e18f8849c45660b793abb97,0x1b189f3372946c9cbb421a60bc3a0a06d16cf3ce043781ada561834c,0x57e00f270dbc56c6c86946dcb6c6ab12133d168609c588b6960c357f,0xa0dccd401872aa37c279e2469a0791ea2f15e32a10632ec07cf3ff97,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite256_pq.csv b/src/cz/crcs/ectester/data/composite/composite256_pq.csv
index 8a59520..380f756 100644
--- a/src/cz/crcs/ectester/data/composite/composite256_pq.csv
+++ b/src/cz/crcs/ectester/data/composite/composite256_pq.csv
@@ -1 +1 @@
-0xf75e78a6e2acb23d6317e57258287c00597e24881e0686039d0badb77b4e6b21,0x1aafadea1da31b45bbc02da735cc341f9cf9915884eb9cd31441520ead906b38,0x0f7f209988b0eada7190201ace3b3972d6ce3cbadac9933716d08645a7c31c63,0x4c4765a35cb2de9cc548d4dd47778b70395d023c4bf112f4bc820431502384e9,0x25bffa1f9ae1af10177f32abf13d3f607e78415c89676eeb13330098c9794503,0xf75e78a6e2acb23d6317e57258287c021fa26f10c359320ee8758b4e1f2c605d,0x1
\ No newline at end of file
+0xf75e78a6e2acb23d6317e57258287c00597e24881e0686039d0badb77b4e6b21,0x1aafadea1da31b45bbc02da735cc341f9cf9915884eb9cd31441520ead906b38,0x0f7f209988b0eada7190201ace3b3972d6ce3cbadac9933716d08645a7c31c63,0x4c4765a35cb2de9cc548d4dd47778b70395d023c4bf112f4bc820431502384e9,0x25bffa1f9ae1af10177f32abf13d3f607e78415c89676eeb13330098c9794503,0xf75e78a6e2acb23d6317e57258287c021fa26f10c359320ee8758b4e1f2c605d,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite256_pq1.csv b/src/cz/crcs/ectester/data/composite/composite256_pq1.csv
index 8012893..e3d5b42 100644
--- a/src/cz/crcs/ectester/data/composite/composite256_pq1.csv
+++ b/src/cz/crcs/ectester/data/composite/composite256_pq1.csv
@@ -1 +1 @@
-0xf75e78a6e2acb23d6317e57258287c00597e24881e0686039d0badb77b4e6b21,0x1aafadea1da31b45bbc02da735cc341f9cf9915884eb9cd31441520ead906b38,0x0f7f209988b0eada7190201ace3b3972d6ce3cbadac9933716d08645a7c31c63,0x93d1f4d02d6f0d2ea7b80f7095e70e731bcf66fb8118e7698a16eab45aadcaa4,0x51dccaa47e35062383e4878625bf2116be5413c34a1b964c7547f65297f0bc04,0x743bc7ea193d40db,0x1
\ No newline at end of file
+0xf75e78a6e2acb23d6317e57258287c00597e24881e0686039d0badb77b4e6b21,0x1aafadea1da31b45bbc02da735cc341f9cf9915884eb9cd31441520ead906b38,0x0f7f209988b0eada7190201ace3b3972d6ce3cbadac9933716d08645a7c31c63,0x93d1f4d02d6f0d2ea7b80f7095e70e731bcf66fb8118e7698a16eab45aadcaa4,0x51dccaa47e35062383e4878625bf2116be5413c34a1b964c7547f65297f0bc04,0x000000000000000000000000000000000000000000000000743bc7ea193d40db,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite256_pq2.csv b/src/cz/crcs/ectester/data/composite/composite256_pq2.csv
index 25b57af..c67eaa7 100644
--- a/src/cz/crcs/ectester/data/composite/composite256_pq2.csv
+++ b/src/cz/crcs/ectester/data/composite/composite256_pq2.csv
@@ -1 +1 @@
-0xf75e78a6e2acb23d6317e57258287c00597e24881e0686039d0badb77b4e6b21,0x1aafadea1da31b45bbc02da735cc341f9cf9915884eb9cd31441520ead906b38,0x0f7f209988b0eada7190201ace3b3972d6ce3cbadac9933716d08645a7c31c63,0x93d1f4d02d6f0d2ea7b80f7095e70e731bcf66fb8118e7698a16eab45aadcaa4,0x3db7c6ee2d24d142ee0ec56f3ba0a606d099debb66a765e3926a5aa19539a2c3,0x220d23234534b240aac0efa70a3bc44e046c2431ad5a32d27,0x1
\ No newline at end of file
+0xf75e78a6e2acb23d6317e57258287c00597e24881e0686039d0badb77b4e6b21,0x1aafadea1da31b45bbc02da735cc341f9cf9915884eb9cd31441520ead906b38,0x0f7f209988b0eada7190201ace3b3972d6ce3cbadac9933716d08645a7c31c63,0x93d1f4d02d6f0d2ea7b80f7095e70e731bcf66fb8118e7698a16eab45aadcaa4,0x3db7c6ee2d24d142ee0ec56f3ba0a606d099debb66a765e3926a5aa19539a2c3,0x000000000000000220d23234534b240aac0efa70a3bc44e046c2431ad5a32d27,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite256_rg0.csv b/src/cz/crcs/ectester/data/composite/composite256_rg0.csv
new file mode 100644
index 0000000..0c2d123
--- /dev/null
+++ b/src/cz/crcs/ectester/data/composite/composite256_rg0.csv
@@ -0,0 +1 @@
+0xf75e78a6e2acb23d6317e57258287c00597e24881e0686039d0badb77b4e6b21,0x1aafadea1da31b45bbc02da735cc341f9cf9915884eb9cd31441520ead906b38,0x0f7f209988b0eada7190201ace3b3972d6ce3cbadac9933716d08645a7c31c63,0x93d1f4d02d6f0d2ea7b80f7095e70e731bcf66fb8118e7698a16eab45aadcaa4,0x51dccaa47e35062383e4878625bf2116be5413c34a1b964c7547f65297f0bc04,0xf75e78a6e2acb23d6317e57258287c021fa26f10c359320ee8758b4e1f2c605d,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite256_small.csv b/src/cz/crcs/ectester/data/composite/composite256_small.csv
index a28e62e..58c0a75 100644
--- a/src/cz/crcs/ectester/data/composite/composite256_small.csv
+++ b/src/cz/crcs/ectester/data/composite/composite256_small.csv
@@ -1 +1 @@
-0xdc42862158cdcfc8fbe8c4ec28b02e0e12624ebc15f6486163df218253e1b953,0x01f355375dac7e69cc12c22ce747782bf998252f1c9c9c983273bc2b7e721461,0x22098140e10d5d88bcc96a558500a022d0252bfbe438d3475ef2d90261fe3b1f,0x8ca20dd1fa045339a171513fb1daa25fa7439e4b97c129c6039e4b9abbac1532,0xb565bde8fe9831f0bce07d70784dc1b7064c443b54b5e96408c1942e30437cc3,0x0000000000000000000000000000000000000000000000000000000000000005,0x1
\ No newline at end of file
+0xdc42862158cdcfc8fbe8c4ec28b02e0e12624ebc15f6486163df218253e1b953,0x01f355375dac7e69cc12c22ce747782bf998252f1c9c9c983273bc2b7e721461,0x22098140e10d5d88bcc96a558500a022d0252bfbe438d3475ef2d90261fe3b1f,0x8ca20dd1fa045339a171513fb1daa25fa7439e4b97c129c6039e4b9abbac1532,0xb565bde8fe9831f0bce07d70784dc1b7064c443b54b5e96408c1942e30437cc3,0x0000000000000000000000000000000000000000000000000000000000000005,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite384.csv b/src/cz/crcs/ectester/data/composite/composite384.csv
index 7516301..4e9d058 100644
--- a/src/cz/crcs/ectester/data/composite/composite384.csv
+++ b/src/cz/crcs/ectester/data/composite/composite384.csv
@@ -1 +1 @@
-0x91520c5e44d7a5e9c673943d2fc502d2b35a1c9edc6189da10277423d7381fd4671fc706ff1dce6f8513317842fb655b,0x6c64adff869b4e0b9f0dd35945b24e3ab389232b1e506a71306e389dddbf43ec6c73d290fab04976da246fd77a7e28dd,0x4004c33e4f8b4de57064543802ca11810c79aa9990796d5750dba07f3e4e98f3dd18b3abe052208741149c3ad0fe6f56,0x39bf2e7d67ad506e074e04c1b73a4add511b0579cdae07bd6c025c703ee31ff33c0445c2cb10e465f0f453d996751e4e,0x667ec38866be3e87229e31e6dabc2444e2603e8118c0316e592571e9a904423e4792c18c0360ae57fcdaec87901d2e0b,0x91520c5e44d7a5e9c673943d2fc502d2b35a1c9edc6189db347c42a7d0924b7cd1414d57f582a4b96177c911e9bb3ddd,0x1
\ No newline at end of file
+0x91520c5e44d7a5e9c673943d2fc502d2b35a1c9edc6189da10277423d7381fd4671fc706ff1dce6f8513317842fb655b,0x6c64adff869b4e0b9f0dd35945b24e3ab389232b1e506a71306e389dddbf43ec6c73d290fab04976da246fd77a7e28dd,0x4004c33e4f8b4de57064543802ca11810c79aa9990796d5750dba07f3e4e98f3dd18b3abe052208741149c3ad0fe6f56,0x39bf2e7d67ad506e074e04c1b73a4add511b0579cdae07bd6c025c703ee31ff33c0445c2cb10e465f0f453d996751e4e,0x667ec38866be3e87229e31e6dabc2444e2603e8118c0316e592571e9a904423e4792c18c0360ae57fcdaec87901d2e0b,0x91520c5e44d7a5e9c673943d2fc502d2b35a1c9edc6189db347c42a7d0924b7cd1414d57f582a4b96177c911e9bb3ddd,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite384_small.csv b/src/cz/crcs/ectester/data/composite/composite384_small.csv
index 470704d..00b643b 100644
--- a/src/cz/crcs/ectester/data/composite/composite384_small.csv
+++ b/src/cz/crcs/ectester/data/composite/composite384_small.csv
@@ -1 +1 @@
-0x91520c5e44d7a5e9c673943d2fc502d2b35a1c9edc6189da10277423d7381fd4671fc706ff1dce6f8513317842fb655b,0x6c64adff869b4e0b9f0dd35945b24e3ab389232b1e506a71306e389dddbf43ec6c73d290fab04976da246fd77a7e28dd,0x4004c33e4f8b4de57064543802ca11810c79aa9990796d5750dba07f3e4e98f3dd18b3abe052208741149c3ad0fe6f56,0x5136c182f03241ec87e6eec1728c1fb2d6b2ddcd4d9abf2a110c337419c4ec7cc8386b7b9ea9f5cb18b0f3c2a78e6489,0x9130cb73f8064fddb24d8c6a216b57fe99df93bcc82c93343617a5246ca1643fe57a06d6112a1791d1bd3643fbd9c041,0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005,0x1
\ No newline at end of file
+0x91520c5e44d7a5e9c673943d2fc502d2b35a1c9edc6189da10277423d7381fd4671fc706ff1dce6f8513317842fb655b,0x6c64adff869b4e0b9f0dd35945b24e3ab389232b1e506a71306e389dddbf43ec6c73d290fab04976da246fd77a7e28dd,0x4004c33e4f8b4de57064543802ca11810c79aa9990796d5750dba07f3e4e98f3dd18b3abe052208741149c3ad0fe6f56,0x5136c182f03241ec87e6eec1728c1fb2d6b2ddcd4d9abf2a110c337419c4ec7cc8386b7b9ea9f5cb18b0f3c2a78e6489,0x9130cb73f8064fddb24d8c6a216b57fe99df93bcc82c93343617a5246ca1643fe57a06d6112a1791d1bd3643fbd9c041,0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite521.csv b/src/cz/crcs/ectester/data/composite/composite521.csv
index 0cf36e7..8681273 100644
--- a/src/cz/crcs/ectester/data/composite/composite521.csv
+++ b/src/cz/crcs/ectester/data/composite/composite521.csv
@@ -1 +1 @@
-0x01c230ff4a64e33ad6da8361c7e2bf2a85e4ad5e88f8e3e8e7e3c42a6b9c9883b3690e2f82b38a684e823a257b3d5c4c2d7c34bfcb937fe5658c77247b28bc90c6af,0x00852cf32173a9b3a8a2316bbe6ba0b98efcc41247a17a8aead02ccc7cb90870daccd10a44e9385abf0d0ae175fa03c0facab1d2069b79795f36d10ce25430676805,0x0174e20e49d5970117cdfc61c0a0ae062519c0c4d577f42e0d3f1cd443732b8e62deb34922a4a6d85b8b7f6df61dadffec95c17babbfaf5c57598033be0b1a44e32f,0x01b1dbc5bd175cbd8699895698b10d047853679f048261094854134de1d6a81ffdd1cc31ede64293c9bee543ad2113c164bd1da92f5c3aa7ba7f0378bdb58251d870,0x0188b8c020cc1504eedb4fb859e40b8031cb26d9273efa2578bf7da01db994cf2a5cf2780b9a7ff6d33210b962ae20c56f71b7fa2b36deef33d7d675c6136acd73c1,0x1c230ff4a64e33ad6da8361c7e2bf2a85e4ad5e88f8e3e8e7e3c42a6b9c9883b36ec447771e871c188d3f04a4e407f1d659335dd0e351bd7f3f76a639726d6dc0d2,0x1
\ No newline at end of file
+0x01c230ff4a64e33ad6da8361c7e2bf2a85e4ad5e88f8e3e8e7e3c42a6b9c9883b3690e2f82b38a684e823a257b3d5c4c2d7c34bfcb937fe5658c77247b28bc90c6af,0x00852cf32173a9b3a8a2316bbe6ba0b98efcc41247a17a8aead02ccc7cb90870daccd10a44e9385abf0d0ae175fa03c0facab1d2069b79795f36d10ce25430676805,0x0174e20e49d5970117cdfc61c0a0ae062519c0c4d577f42e0d3f1cd443732b8e62deb34922a4a6d85b8b7f6df61dadffec95c17babbfaf5c57598033be0b1a44e32f,0x01b1dbc5bd175cbd8699895698b10d047853679f048261094854134de1d6a81ffdd1cc31ede64293c9bee543ad2113c164bd1da92f5c3aa7ba7f0378bdb58251d870,0x0188b8c020cc1504eedb4fb859e40b8031cb26d9273efa2578bf7da01db994cf2a5cf2780b9a7ff6d33210b962ae20c56f71b7fa2b36deef33d7d675c6136acd73c1,0x1c230ff4a64e33ad6da8361c7e2bf2a85e4ad5e88f8e3e8e7e3c42a6b9c9883b36ec447771e871c188d3f04a4e407f1d659335dd0e351bd7f3f76a639726d6dc0d2,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/composite521_small.csv b/src/cz/crcs/ectester/data/composite/composite521_small.csv
index f065b9f..15df9c8 100644
--- a/src/cz/crcs/ectester/data/composite/composite521_small.csv
+++ b/src/cz/crcs/ectester/data/composite/composite521_small.csv
@@ -1 +1 @@
-0x01c230ff4a64e33ad6da8361c7e2bf2a85e4ad5e88f8e3e8e7e3c42a6b9c9883b3690e2f82b38a684e823a257b3d5c4c2d7c34bfcb937fe5658c77247b28bc90c6af,0x00852cf32173a9b3a8a2316bbe6ba0b98efcc41247a17a8aead02ccc7cb90870daccd10a44e9385abf0d0ae175fa03c0facab1d2069b79795f36d10ce25430676805,0x0174e20e49d5970117cdfc61c0a0ae062519c0c4d577f42e0d3f1cd443732b8e62deb34922a4a6d85b8b7f6df61dadffec95c17babbfaf5c57598033be0b1a44e32f,0x00a4b42ad90c0e3f7e342d8d661b4d5162ab7928b4938ab660b2e6fea3213c5d4b420123f65141a8eb7b4a46173bfce6ea1577df94f6f934f72d459c4dd3c0ef038e,0x003316c4b6c5c6b3ab3eee7f1ff365cce6045fdc43d4e6c64efa7789f2626676b47b488e6612d291d60d4a788ddd2e8b1aa8bfff02e105a285532a20ac08fa1088e7,0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005,0x1
\ No newline at end of file
+0x01c230ff4a64e33ad6da8361c7e2bf2a85e4ad5e88f8e3e8e7e3c42a6b9c9883b3690e2f82b38a684e823a257b3d5c4c2d7c34bfcb937fe5658c77247b28bc90c6af,0x00852cf32173a9b3a8a2316bbe6ba0b98efcc41247a17a8aead02ccc7cb90870daccd10a44e9385abf0d0ae175fa03c0facab1d2069b79795f36d10ce25430676805,0x0174e20e49d5970117cdfc61c0a0ae062519c0c4d577f42e0d3f1cd443732b8e62deb34922a4a6d85b8b7f6df61dadffec95c17babbfaf5c57598033be0b1a44e32f,0x00a4b42ad90c0e3f7e342d8d661b4d5162ab7928b4938ab660b2e6fea3213c5d4b420123f65141a8eb7b4a46173bfce6ea1577df94f6f934f72d459c4dd3c0ef038e,0x003316c4b6c5c6b3ab3eee7f1ff365cce6045fdc43d4e6c64efa7789f2626676b47b488e6612d291d60d4a788ddd2e8b1aa8bfff02e105a285532a20ac08fa1088e7,0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005,0x01
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/data/composite/curves.xml b/src/cz/crcs/ectester/data/composite/curves.xml
index 1eddbea..8cec330 100644
--- a/src/cz/crcs/ectester/data/composite/curves.xml
+++ b/src/cz/crcs/ectester/data/composite/curves.xml
@@ -124,6 +124,14 @@
     </curve>
 
     <curve>
+        <id>rg0/composite128</id>
+        <bits>128</bits>
+        <field>prime</field>
+        <file>composite128_rg0.csv</file>
+        <desc>|G| divides r(so [r]G = infinity), but r != |G| = 0x03f76917eb</desc>
+    </curve>
+
+    <curve>
         <id>pq/composite160</id>
         <bits>160</bits>
         <field>prime</field>
@@ -146,6 +154,14 @@
     </curve>
 
     <curve>
+        <id>rg0/composite160</id>
+        <bits>160</bits>
+        <field>prime</field>
+        <file>composite160_rg0.csv</file>
+        <desc>|G| divides r(so [r]G = infinity), but r != |G| = 0x0af2407f270b81f45f</desc>
+    </curve>
+
+    <curve>
         <id>pq/composite192</id>
         <bits>192</bits>
         <field>prime</field>
@@ -166,6 +182,14 @@
         <file>composite192_pq2.csv</file>
         <desc>r = 0x35efd8bad55038e6bd22db8b805</desc>
     </curve>
+
+    <curve>
+        <id>rg0/composite192</id>
+        <bits>192</bits>
+        <field>prime</field>
+        <file>composite192_rg0.csv</file>
+        <desc>|G| divides r(so [r]G = infinity), but r != |G| = 0x302b72431ff070e7e06799</desc>
+    </curve>
     
     <curve>
         <id>pq/composite224</id>
@@ -190,6 +214,14 @@
     </curve>
 
     <curve>
+        <id>rg0/composite224</id>
+        <bits>224</bits>
+        <field>prime</field>
+        <file>composite224_rg0.csv</file>
+        <desc>|G| divides r(so [r]G = infinity), but r != |G| = 0x1824ec370e405bfb5024db</desc>
+    </curve>
+
+    <curve>
         <id>pq/composite256</id>
         <bits>256</bits>
         <field>prime</field>
@@ -210,4 +242,12 @@
         <file>composite256_pq2.csv</file>
         <desc>r = 0x220d23234534b240aac0efa70a3bc44e046c2431ad5a32d27</desc>
     </curve>
+
+    <curve>
+        <id>rg0/composite256</id>
+        <bits>256</bits>
+        <field>prime</field>
+        <file>composite256_rg0.csv</file>
+        <desc>|G| divides r(so [r]G = infinity), but r != |G| = 0x743bc7ea193d40db</desc>
+    </curve>
 </curves>
\ No newline at end of file
diff --git a/src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java b/src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java
index d474638..2b3724c 100644
--- a/src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java
+++ b/src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java
@@ -3,7 +3,6 @@ package cz.crcs.ectester.reader.test;
 import cz.crcs.ectester.applet.ECTesterApplet;
 import cz.crcs.ectester.applet.EC_Consts;
 import cz.crcs.ectester.common.ec.EC_Curve;
-import cz.crcs.ectester.common.ec.EC_KAResult;
 import cz.crcs.ectester.common.ec.EC_Key;
 import cz.crcs.ectester.common.output.TestWriter;
 import cz.crcs.ectester.common.test.CompoundTest;
@@ -71,6 +70,11 @@ public class CardCompositeCurvesSuite extends CardTestSuite {
          */
         List<EC_Curve> pqCurves = groupList.stream().filter((e) -> e.getKey().equals("pq")).findFirst().get().getValue();
         testGroup(pqCurves, null, ExpectedValue.ANY, "", "");
+
+        /* Also test rg0 curves.
+         */
+        List<EC_Curve> rg0Curves = groupList.stream().filter((e) -> e.getKey().equals("rg0")).findFirst().get().getValue();
+        testGroup(rg0Curves, null, ExpectedValue.ANY, "", "");
     }
 
     private void testGroup(List<EC_Curve> curves, String testName, ExpectedValue dhValue, String ok, String nok) throws Exception {