Added signature calculation and verification for ECDSA

Change-Id: I946e146b9a6ae33ee294a09417e8366853faa502
Signed-off-by: Devel <acompagn+fdio@cisco.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/libparc/parc/security/test/README.keystore b/libparc/parc/security/test/README.keystore
index 70227d33..0c9c3a58 100644
--- a/libparc/parc/security/test/README.keystore
+++ b/libparc/parc/security/test/README.keystore
@@ -33,3 +33,31 @@ openssl sha -sha256 -sign test_rsa_key.pem -out test_random_bytes.sig < test_ran
 # the "-in test_rsa_pub_sha256.bin" is the binary digest we will sign.
 openssl rsautl -sign -inkey test_rsa_key.pem -in test_rsa_pub_sha256.bin -out test_rsa_pub_sha256.bin.sig
 
+
+#EC
+openssl ecparam -name secp256k1 -genkey -noout -out test_ec_key.pem
+openssl ec -pubout -in test_ec_key.pem -out test_ec_pub.pem
+openssl req -new -key test_ec_key.pem  -out test_ec.csr
+openssl x509 -req -days 365 -in test_ec.csr -signkey test_ec_key.pem -out test_ec.crt
+openssl pkcs12 -export -in test_ec.crt -inkey test_ec_key.pem -out test_ec.p12 -name ccnxuser -CAfile test_ec.crt -caname root -chain -passout pass:blueberry
+
+# saves the public key in DER form so we can calculate the sha256 of it
+openssl ec -in test_ec_key.pem -outform DER -pubout -out test_ec_pub.der
+
+# save the private key in DER form so we can compare in code
+openssl ec -in test_ec_key.pem -outform DER -out test_ec_key.der
+
+# computes the sha256 and saves it in binary form
+openssl sha256 -out test_ec_pub_sha256.bin -sha256 -binary < test_ec_pub.der
+
+# Save the certificate in DER form, then get the SHA256 hash of it
+# These are similar to doing "openssl x509 -in test_rsa.crt -fingerprint -sha256"
+openssl x509 -outform DER -out test_ec_crt.der -in test_ec.crt
+openssl sha256 -out test_ec_crt_sha256.bin -sha256 -binary < test_ec_crt.der
+
+# To verify signing, we create a random buffer, then sign with a SHA256 digest
+
+openssl sha -sha256 -sign test_ec_key.pem -out test_random_bytes.sig_ec < test_random_bytes
+
+# the "-in test_rsa_pub_sha256.bin" is the binary digest we will sign.
+openssl rsautl -sign -inkey test_ec_key.pem -in test_ec_pub_sha256.bin -out test_ec_pub_sha256.bin.sig
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