update ec crypto schemes with references

Author: jaromil

src/ecdsa-w3c-vc.md

@@ -4,6 +4,11 @@ title: ECDSA (P256) verifiable credentials
 
 # {{ $frontmatter.title }}
 
+Conforming to:
+- [Verifiable Credentials Data Model v2.0](https://www.w3.org/TR/vc-data-model-2.0/)
+- [Verifiable Credential Data Integrity v1.0](https://www.w3.org/TR/vc-data-integrity/)
+- [Data Integrity ECDSA Cryptosuites v1.0](https://www.w3.org/TR/vc-di-ecdsa/)
+
 ## Generate keys
 
 <<< @/ecdsa_keyring.slang{gherkin}
@@ -14,6 +19,8 @@ title: ECDSA (P256) verifiable credentials
 
 <<< @/ecdsa_keyring.out.json{json}
 
+Results in both private and public keys, which can also be generated in two separate steps and should be stored consciously. The public key may be registered as a DID.
+
 ## Prepare for signature
 
 ### Input
@@ -36,6 +43,8 @@ title: ECDSA (P256) verifiable credentials
 
 <<< @/ecdsa_rdf-canon-objects.out.json
 
+Results in seralized canonical RDF versions of the document and signature settings ready for signature, conforming to [RDF Dataset Canonicalization](https://www.w3.org/TR/rdf-canon/).
+
 ## Sign the credentials
 
 ### Input
@@ -68,6 +77,8 @@ title: ECDSA (P256) verifiable credentials
 
 <<< @/ecdsa_prepare-verification-signed-doc.out.json
 
+Results again in serialized canonical RDF version of the document and signature settings. Public key may be retrieved from DID.
+
 ## Verify the signature
 
 ### Input

src/eddsa-w3c-vc.md

@@ -4,6 +4,11 @@ title: EDDSA (ed25519) verifiable credentials
 
 # {{ $frontmatter.title }}
 
+Conforming to:
+- [Verifiable Credentials Data Model v2.0](https://www.w3.org/TR/vc-data-model-2.0/)
+- [Verifiable Credential Data Integrity v1.0](https://www.w3.org/TR/vc-data-integrity/)
+- [Data Integrity EdDSA Cryptosuites v1.0](https://www.w3.org/TR/vc-di-eddsa/)
+
 ## Generate keys
 
 <<< @/eddsa_keyring.slang{gherkin}