Upgrade dependencies
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@@ -1,9 +1,9 @@
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[versions]
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infendro = "1.1.0"
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kotlin = "2.3.0"
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bytes = "1.4.0"
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hash = "1.6.0"
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mac = "1.4.0"
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bytes = "1.4.2"
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hash = "1.7.0"
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mac = "1.5.0"
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[plugins]
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infendro = { id = "com.infendro.plugin", version.ref = "infendro" }
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@@ -9,7 +9,7 @@ import com.infendro.otp.util.pow
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import kotlin.experimental.and
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class HOTP(
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val function: HashFunction = SHA1,
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val function: HashFunction = SHA1(),
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val length: Int = 6,
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) {
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private val hmac = HMAC(function)
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@@ -19,14 +19,14 @@ class HOTP(
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return otp(secret, counter)
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}
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fun verify(secret: ByteArray, counter: Long, otp: String): Boolean {
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return generate(secret, counter) == otp
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}
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private fun otp(secret: ByteArray, counter: Long): String {
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val hash = hmac.hash(secret, counter.toByteArray())
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val offset = (hash.last() and 0xF).toInt()
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val otp = (hash.toInt(offset) and 0x7FFFFFFF) % 10.pow(length)
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return "$otp".padStart(length, '0')
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}
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fun verify(secret: ByteArray, counter: Long, otp: String): Boolean {
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return generate(secret, counter) == otp
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}
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}
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@@ -7,7 +7,7 @@ import kotlin.time.Duration.Companion.seconds
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import kotlin.time.Instant
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class TOTP(
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val function: HashFunction = SHA1,
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val function: HashFunction = SHA1(),
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val length: Int = 6,
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val period: Duration = 30.seconds,
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) {
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@@ -17,13 +17,13 @@ class TOTP(
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return hotp.generate(secret, counter(instant))
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}
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fun verify(secret: ByteArray, instant: Instant, otp: String): Boolean {
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return generate(secret, instant) == otp
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}
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private fun counter(instant: Instant): Long {
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val ms = instant.toEpochMilliseconds()
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val d = period.inWholeMilliseconds
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return ms / d
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}
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fun verify(secret: ByteArray, instant: Instant, otp: String): Boolean {
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return generate(secret, instant) == otp
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}
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}
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