diff options
Diffstat (limited to 'bip-0047.mediawiki')
| -rw-r--r-- | bip-0047.mediawiki | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/bip-0047.mediawiki b/bip-0047.mediawiki index 4806b0b..dc1f588 100644 --- a/bip-0047.mediawiki +++ b/bip-0047.mediawiki @@ -156,7 +156,7 @@ It is assumed that Alice can easily obtain Bob's payment code via a suitable met Prior to the first time Alice initiates a transaction to Bob, Alice MUST inform Bob of her payment code via the following procedure: -Note: this procedure is used if Bob uses a version 1 payment code (regardless of the the version of Alice's payment code). If Bob's payment code is not version 1, see the appropriate section in this specification. +Note: this procedure is used if Bob uses a version 1 payment code (regardless of the version of Alice's payment code). If Bob's payment code is not version 1, see the appropriate section in this specification. # Alice constructs a transaction which sends a small quantity of bitcoins to Bob's notification address (notification transaction) ## The inputs selected for this transaction MUST NOT be easily associated with Alice's notification address @@ -235,7 +235,7 @@ The following actions are recommended to reduce this risk: <img src="bip-0047/reusable_payment_codes-04.png" /> <img src="bip-0047/reusable_payment_codes-05.png" /> # Bob is watching for incoming payments on B' ever since he received the notification transaction from Alice. -## Bob calculates n shared secrets with Alice, using the 0<sup>th</sup> public key derived Alice's payment code, and private keys 0 - n derived from Bob's payment code, where n is his desired lookahead window. +## Bob calculates n shared secrets with Alice, using the 0<sup>th</sup> public key derived from Alice's payment code, and private keys 0 - n derived from Bob's payment code, where n is his desired lookahead window. ## Bob calculates the ephemeral deposit addresses using the same procedure as Alice: <pre>B' = B + sG</pre> ## Bob calculate the private key for each ephemeral address as: <pre>b' = b + s</pre> <img src="bip-0047/reusable_payment_codes-02.png" /> |