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crypto/tls: add VersionName

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Fixes #46308

Change-Id: I5162b26cbce61ae5df5d2e093cf8a28406d15863
Reviewed-on: https://go-review.googlesource.com/c/go/+/497377
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Marten Seemann <martenseemann@gmail.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Samuli Silvius <samuli.silvius@gmail.com>
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
This commit is contained in:
Filippo Valsorda 2023-05-24 02:29:15 +02:00 • committed by Gopher Robot
parent d154b73cf1
commit b6a93d8a50
2 changed files with 29 additions and 0 deletions
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20
common.go
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@ -36,6 +36,26 @@ const (
VersionSSL30 = 0x0300
)
// VersionName returns the name for the provided TLS version number
// (e.g. "TLS 1.3"), or a fallback representation of the value if the
// version is not implemented by this package.
func VersionName(version uint16) string {
switch version {
case VersionSSL30:
return "SSLv3"
case VersionTLS10:
return "TLS 1.0"
case VersionTLS11:
return "TLS 1.1"
case VersionTLS12:
return "TLS 1.2"
case VersionTLS13:
return "TLS 1.3"
default:
return fmt.Sprintf("0x%04X", version)
}
}
const (
maxPlaintext = 16384 // maximum plaintext payload length
maxCiphertext = 16384 + 2048 // maximum ciphertext payload length