README.md in cose-0.8.0 vs README.md in cose-0.9.0

@@ -143,32 +143,35 @@
 ```ruby
 cbor_data = "..."
 
 sign = COSE::Sign.deserialize(cbor_data)
 
-sign.protected_headers
-sign.unprotected_headers
-sign.payload
+# Verify by doing (key should be a COSE::Key):
+sign.verify(key)
 
-sign.signatures.each do |signature|
-  signature.protected_headers
-  signature.unprotected_headers
-  signature.signature
-end
+# or, if externally supplied authenticated data exists:
+sign.verify(key, external_aad)
+
+# Then access payload
+sign.payload
 ```
 
 #### COSE_Sign1
 
 ```ruby
 cbor_data = "..."
 
 sign1 = COSE::Sign1.deserialize(cbor_data)
 
-sign1.protected_headers
-sign1.unprotected_headers
+# Verify by doing (key should be a COSE::Key):
+sign1.verify(key)
+
+# or, if externally supplied authenticated data exists:
+sign1.verify(key, external_aad)
+
+# Then access payload
 sign1.payload
-sign1.signature
 ```
 
 ### MAC Objects
 
 #### COSE_Mac
@@ -176,40 +179,34 @@
 ```ruby
 cbor_data = "..."
 
 mac = COSE::Mac.deserialize(cbor_data)
 
-mac.protected_headers
-mac.unprotected_headers
-mac.payload
-mac.tag
+# Verify by doing (key should be a COSE::Key::Symmetric):
+mac.verify(key)
 
-mac.recipients.each do |recipient|
-  recipient.protected_headers
-  recipient.unprotected_headers
-  recipient.ciphertext
+# or, if externally supplied authenticated data exists:
+mac.verify(key, external_aad)
 
-  if recipient.recipients
-    recipient.recipients.each do |recipient|
-      recipient.protected_headers
-      recipient.unprotected_headers
-      recipient.ciphertext
-    end
-  end
-end
+# Then access payload
+mac.payload
 ```
 
 #### COSE_Mac0
 
 ```ruby
 cbor_data = "..."
 
 mac0 = COSE::Mac0.deserialize(cbor_data)
 
-mac0.protected_headers
-mac0.unprotected_headers
+# Verify by doing (key should be a COSE::Key::Symmetric):
+mac0.verify(key)
+
+# or, if externally supplied authenticated data exists:
+mac0.verify(key, external_aad)
+
+# Then access payload
 mac0.payload
-mac0.tag
 ```
 
 ### Encryption Objects
 
 #### COSE_Encrypt