incheckning
9557e92e52
@ -41,7 +41,7 @@ type clientHelloMsg struct {
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// Marshalling of signature_algorithms extension see https://tools.ietf.org/html/rfc5246#section-7.4.1.4.1
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// Marshalling of signature_algorithms extension see https://tools.ietf.org/html/rfc5246#section-7.4.1.4.1
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// for more details. Extension is serialized in data buffer
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// for more details. Extension is serialized in data buffer
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// Function advances data slice and returns it, so that it can be used for further processing
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// Function advances data slice and returns it, so that it can be used for further processing
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func marshallExtensionSignatureAlgorithms(data []byte, sigSchemes []SignatureScheme) []byte {
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func marshalExtensionSignatureAlgorithms(data []byte, sigSchemes []SignatureScheme) []byte {
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data[0] = byte(extensionSignatureAlgorithms >> 8)
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data[0] = byte(extensionSignatureAlgorithms >> 8)
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data[1] = byte(extensionSignatureAlgorithms)
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data[1] = byte(extensionSignatureAlgorithms)
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l := 2 + 2*len(sigSchemes)
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l := 2 + 2*len(sigSchemes)
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@ -64,7 +64,7 @@ func marshallExtensionSignatureAlgorithms(data []byte, sigSchemes []SignatureSch
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// Unmrshalling of signature_algorithms extension see https://tools.ietf.org/html/rfc5246#section-7.4.1.4.1
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// Unmrshalling of signature_algorithms extension see https://tools.ietf.org/html/rfc5246#section-7.4.1.4.1
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// for more details.
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// for more details.
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// In case of error function returns alertDecoderError otherwise filled SignatureScheme slice and alertSuccess
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// In case of error function returns alertDecoderError otherwise filled SignatureScheme slice and alertSuccess
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func unmarshallExtensionSignatureAlgorithms(data []byte, length int) ([]SignatureScheme, alert) {
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func unmarshalExtensionSignatureAlgorithms(data []byte, length int) ([]SignatureScheme, alert) {
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if length < 2 || length&1 != 0 {
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if length < 2 || length&1 != 0 {
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return nil, alertDecodeError
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return nil, alertDecodeError
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}
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}
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@ -2131,7 +2131,7 @@ func (m *certificateRequestMsg13) marshal() (x []byte) {
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z = z[2:]
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z = z[2:]
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// TODO: this function should be reused by CH
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// TODO: this function should be reused by CH
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z = marshallExtensionSignatureAlgorithms(z, m.supportedSignatureAlgorithms)
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z = marshalExtensionSignatureAlgorithms(z, m.supportedSignatureAlgorithms)
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// certificate_authorities
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// certificate_authorities
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if casLength > 0 {
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if casLength > 0 {
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z[0] = byte(extensionCAs >> 8)
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z[0] = byte(extensionCAs >> 8)
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@ -2197,10 +2197,10 @@ func (m *certificateRequestMsg13) unmarshal(data []byte) alert {
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switch extension {
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switch extension {
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case extensionSignatureAlgorithms:
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case extensionSignatureAlgorithms:
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// TODO: unmarshallExtensionSignatureAlgorithms should be shared with CH and pre-1.3 CV
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// TODO: unmarshalExtensionSignatureAlgorithms should be shared with CH and pre-1.3 CV
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// https://tools.ietf.org/html/draft-ietf-tls-tls13-21#section-4.2.3
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// https://tools.ietf.org/html/draft-ietf-tls-tls13-21#section-4.2.3
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var err alert
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var err alert
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m.supportedSignatureAlgorithms, err = unmarshallExtensionSignatureAlgorithms(data, length)
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m.supportedSignatureAlgorithms, err = unmarshalExtensionSignatureAlgorithms(data, length)
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if err != alertSuccess {
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if err != alertSuccess {
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return err
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return err
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}
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}
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