Correctly generate signature. (#48)

kylebrowning · web-flow · commit 0699bb189d83 · 2019-09-23T10:13:08.000-07:00
diff --git a/Sources/APNSwift/APNSwiftSigner.swift b/Sources/APNSwift/APNSwiftSigner.swift
@@ -70,8 +70,9 @@ public struct APNSwiftSigner {
         let lens = Int(BN_bn2bin(.make(optional: s), &sb))
 
         var signatureBytes = ByteBufferAllocator().buffer(capacity: lenr + lens)
-        signatureBytes.writeBytes(rb[0..<lenr])
-        signatureBytes.writeBytes(sb[0..<lens])
+        let allZeroes = Array(repeating: UInt8(0), count: 32)
+        signatureBytes.writeBytes([allZeroes, rb].joined().suffix(32))
+        signatureBytes.writeBytes([allZeroes, sb].joined().suffix(32))
         return signatureBytes
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -70,8 +70,9 @@ public struct APNSwiftSigner {`
`70`	`70`	`let lens = Int(BN_bn2bin(.make(optional: s), &sb))`
`71`	`71`
`72`	`72`	`var signatureBytes = ByteBufferAllocator().buffer(capacity: lenr + lens)`
`73`		`- signatureBytes.writeBytes(rb[0..<lenr])`
`74`		`- signatureBytes.writeBytes(sb[0..<lens])`
	`73`	`+ let allZeroes = Array(repeating: UInt8(0), count: 32)`
	`74`	`+ signatureBytes.writeBytes([allZeroes, rb].joined().suffix(32))`
	`75`	`+ signatureBytes.writeBytes([allZeroes, sb].joined().suffix(32))`
`75`	`76`	`return signatureBytes`
`76`	`77`	`}`
`77`	`78`	`}`