- Change "CBC" to GCM. This was missed during the original change from CBC to GCM

Author: Matt David

bip-0075.mediawiki

@@ -326,13 +326,13 @@ For the following we assume the Sender already knows the Receiver's public key,
 * If '''pki_type''' is x509+sha256 and '''signature''' is valid for the serialized [[#InvoiceRequest|InvoiceRequest]] where signature is set to "", [[#InvoiceRequest|InvoiceRequest]] is VALID
 
 ===Sending Encrypted Payment Protocol Messages using EncryptedProtocolMessages===
-* Encrypt the serialized Payment Protocol message using AES-256-CBC setup as described in [[#ECDH_Point_Generation_and_AES256_GCM_Mode_Setup|ECDH Point Generation and AES-256 (GCM Mode) Setup]]
+* Encrypt the serialized Payment Protocol message using AES-256-GCM setup as described in [[#ECDH_Point_Generation_and_AES256_GCM_Mode_Setup|ECDH Point Generation and AES-256 (GCM Mode) Setup]]
 * Create [[#EncryptedProtocolMessage|EncryptedProtocolMessage]] message
 * Set '''encrypted_message''' to be the encrypted value of the Payment Protocol message
 * '''version''' SHOULD be set to the highest version number the client understands (currently 1)
 * '''sender_public_key''' MUST be set to the public key of the Sender's EC keypair
 * '''receiver_public_key''' MUST be set to the public key of the Receiver's EC keypair
-* '''nonce''' MUST be set to the nonce used in the AES-256-CBC encryption operation
+* '''nonce''' MUST be set to the nonce used in the AES-256-GCM encryption operation
 * Set '''identifier''' to the identifier value received in the originating InvoiceRequest's ProtocolMessage or EncryptedProtocolMessage wrapper message
 * Set '''signature''' to ""
 * Sign the serialized [[#EncryptedProtocolMessage|EncryptedProtocolMessage]] message with the communicating party's EC public key