diff --git a/tests/gen-keys.sh b/tests/gen-keys.sh
index 407876b..46130cf 100755
--- a/tests/gen-keys.sh
+++ b/tests/gen-keys.sh
@@ -66,6 +66,26 @@ for m in 1024 2048; do
   fi
 done
 
+for curve in prime192v1 prime256v1; do
+  if [ "$1" = clean ] || [ "$1" = force ]; then
+    rm -f test-$curve.cer test-$curve.key test-$curve.pub
+  fi
+  if [ "$1" = clean ]; then
+    continue
+  fi
+  if [ ! -e test-$curve.key ]; then
+    log openssl req -verbose -new -nodes -utf8 -sha1 -days 10000 -batch -x509 \
+      -config test-ca.conf \
+      -newkey ec \
+      -pkeyopt ec_paramgen_curve:$curve \
+      -out test-$curve.cer -outform DER \
+      -keyout test-$curve.key
+    if [ -s test-$curve.key ]; then
+      log openssl pkey -in test-$curve.key -out test-$curve.pub -pubout
+    fi
+  fi
+done
+
 # EC-RDSA
 for m in \
   gost2012_256:A \
diff --git a/tests/sign_verify.test b/tests/sign_verify.test
index 48e5523..3d7aa51 100755
--- a/tests/sign_verify.test
+++ b/tests/sign_verify.test
@@ -372,6 +372,21 @@ sign_verify  rsa1024  sha384  0x030205:K:0080
 sign_verify  rsa1024  sha512  0x030206:K:0080
 sign_verify  rsa1024  rmd160  0x030203:K:0080
 
+# Test v2 signatures with ECDSA
+# Signature length is typically 0x34-0x38 bytes long, very rarely 0x33
+sign_verify  prime192v1 sha1   0x030202:K:003[345678]
+sign_verify  prime192v1 sha224 0x030207:K:003[345678]
+sign_verify  prime192v1 sha256 0x030204:K:003[345678]
+sign_verify  prime192v1 sha384 0x030205:K:003[345678]
+sign_verify  prime192v1 sha512 0x030206:K:003[345678]
+
+# Signature length is typically 0x44-0x48 bytes long, very rarely 0x43
+sign_verify  prime256v1 sha1   0x030202:K:004[345678]
+sign_verify  prime256v1 sha224 0x030207:K:004[345678]
+sign_verify  prime256v1 sha256 0x030204:K:004[345678]
+sign_verify  prime256v1 sha384 0x030205:K:004[345678]
+sign_verify  prime256v1 sha512 0x030206:K:004[345678]
+
 # Test v2 signatures with EC-RDSA
 _enable_gost_engine
 sign_verify  gost2012_256-A md_gost12_256 0x030212:K:0040