updated vendor

vendor/github.com/ProtonMail/go-crypto/openpgp/armor/armor.go

@@ -69,6 +69,8 @@ func (l *lineReader) Read(p []byte) (n int, err error) {
 	if isPrefix {
 		return 0, ArmorCorrupt
 	}
+	// Trim the line to remove any whitespace
+	line = bytes.TrimSpace(line)
 
 	if bytes.HasPrefix(line, armorEnd) {
 		l.eof = true

vendor/github.com/ProtonMail/go-crypto/openpgp/clearsign/clearsign.go

@@ -17,6 +17,7 @@ import (
 	"hash"
 	"io"
 	"net/textproto"
+	"slices"
 	"strconv"
 	"strings"
 
@@ -49,6 +50,8 @@ var endText = []byte("-----BEGIN PGP SIGNATURE-----")
 // end is a marker which denotes the end of the armored signature.
 var end = []byte("\n-----END PGP SIGNATURE-----")
 
+var allowedHashHeaderValues = []string{"MD5", "SHA1", "RIPEMD160", "SHA224", "SHA256", "SHA384", "SHA512", "SHA3-256", "SHA3-512"}
+
 var crlf = []byte("\r\n")
 var lf = byte('\n')
 
@@ -131,7 +134,10 @@ func Decode(data []byte) (b *Block, rest []byte) {
 		key = strings.TrimSpace(key)
 		if key == hashHeader {
 			for _, val := range strings.Split(val, ",") {
-				val = strings.TrimSpace(val)
+				val = strings.ToUpper(strings.TrimSpace(val))
+				if !slices.Contains(allowedHashHeaderValues, val) {
+					return nil, data
+				}
 				b.Headers.Add(key, val)
 			}
 		} else {

vendor/github.com/ProtonMail/go-crypto/openpgp/internal/ecc/curve25519.go

@@ -125,7 +125,10 @@ func (c *curve25519) Encaps(rand io.Reader, point []byte) (ephemeral, sharedSecr
 	//	"VB = convert point V to the octet string"
 	// sharedPoint corresponds to `VB`.
 	var sharedPoint x25519lib.Key
-	x25519lib.Shared(&sharedPoint, &ephemeralPrivate, &pubKey)
+	ok := x25519lib.Shared(&sharedPoint, &ephemeralPrivate, &pubKey)
+	if !ok {
+		return nil, nil, errors.KeyInvalidError("ecc: the public key is a low order point")
+	}
 
 	return ephemeralPublic[:], sharedPoint[:], nil
 }
@@ -146,7 +149,10 @@ func (c *curve25519) Decaps(vsG, secret []byte) (sharedSecret []byte, err error)
 	// RFC6637 §8: "Note that the recipient obtains the shared secret by calculating
 	//   S = rV = rvG, where (r,R) is the recipient's key pair."
 	// sharedPoint corresponds to `S`.
-	x25519lib.Shared(&sharedPoint, &decodedPrivate, &ephemeralPublic)
+	ok := x25519lib.Shared(&sharedPoint, &decodedPrivate, &ephemeralPublic)
+	if !ok {
+		return nil, errors.KeyInvalidError("ecc: the public key is a low order point")
+	}
 
 	return sharedPoint[:], nil
 }

vendor/github.com/ProtonMail/go-crypto/openpgp/internal/ecc/generic.go

@@ -78,7 +78,7 @@ func (c *genericCurve) GenerateECDSA(rand io.Reader) (x, y, secret *big.Int, err
 func (c *genericCurve) Encaps(rand io.Reader, point []byte) (ephemeral, sharedSecret []byte, err error) {
 	xP, yP := elliptic.Unmarshal(c.Curve, point)
 	if xP == nil {
-		panic("invalid point")
+		return nil, nil, errors.KeyInvalidError(fmt.Sprintf("ecc (%s): invalid point", c.Curve.Params().Name))
 	}
 
 	d, x, y, err := elliptic.GenerateKey(c.Curve, rand)
@@ -99,6 +99,9 @@ func (c *genericCurve) Encaps(rand io.Reader, point []byte) (ephemeral, sharedSe
 
 func (c *genericCurve) Decaps(ephemeral, secret []byte) (sharedSecret []byte, err error) {
 	x, y := elliptic.Unmarshal(c.Curve, ephemeral)
+	if x == nil {
+		return nil, errors.KeyInvalidError(fmt.Sprintf("ecc (%s): invalid point", c.Curve.Params().Name))
+	}
 	zbBig, _ := c.Curve.ScalarMult(x, y, secret)
 	byteLen := (c.Curve.Params().BitSize + 7) >> 3
 	zb := make([]byte, byteLen)

vendor/github.com/ProtonMail/go-crypto/openpgp/packet/config.go

@@ -178,6 +178,18 @@ type Config struct {
 	// When set to true, a key without flags is treated as if all flags are enabled.
 	// This behavior is consistent with GPG.
 	InsecureAllowAllKeyFlagsWhenMissing bool
+	// InsecureGenerateNonCriticalKeyFlags causes the "Key Flags" signature subpacket
+	// to be non-critical in newly generated signatures.
+	// This may be needed for keys to be accepted by older clients who do not recognize
+	// the subpacket.
+	// For example, rpm 4.14.3-150400.59.3.1 in OpenSUSE Leap 15.4 does not recognize it.
+	InsecureGenerateNonCriticalKeyFlags bool
+	// InsecureGenerateNonCriticalSignatureCreationTime causes the "Signature Creation Time" signature subpacket
+	// to be non-critical in newly generated signatures.
+	// This may be needed for keys to be accepted by older clients who do not recognize
+	// the subpacket.
+	// For example, yum 3.4.3-168 in CentOS 7 and yum 3.4.3-158 in Amazon Linux 2 do not recognize it.
+	InsecureGenerateNonCriticalSignatureCreationTime bool
 
 	// MaxDecompressedMessageSize specifies the maximum number of bytes that can be
 	// read from a compressed packet. This serves as an upper limit to prevent
@@ -420,6 +432,20 @@ func (c *Config) AllowAllKeyFlagsWhenMissing() bool {
 	return c.InsecureAllowAllKeyFlagsWhenMissing
 }
 
+func (c *Config) GenerateNonCriticalKeyFlags() bool {
+	if c == nil {
+		return false
+	}
+	return c.InsecureGenerateNonCriticalKeyFlags
+}
+
+func (c *Config) GenerateNonCriticalSignatureCreationTime() bool {
+	if c == nil {
+		return false
+	}
+	return c.InsecureGenerateNonCriticalSignatureCreationTime
+}
+
 func (c *Config) DecompressedMessageSizeLimit() *int64 {
 	if c == nil {
 		return nil

vendor/github.com/ProtonMail/go-crypto/openpgp/packet/signature.go

@@ -933,7 +933,7 @@ func (sig *Signature) Sign(h hash.Hash, priv *PrivateKey, config *Config) (err e
 		}
 		sig.Notations = append(sig.Notations, &notation)
 	}
-	sig.outSubpackets, err = sig.buildSubpackets(priv.PublicKey)
+	sig.outSubpackets, err = sig.buildSubpackets(priv.PublicKey, config)
 	if err != nil {
 		return err
 	}
@@ -1254,11 +1254,11 @@ type outputSubpacket struct {
 	contents      []byte
 }
 
-func (sig *Signature) buildSubpackets(issuer PublicKey) (subpackets []outputSubpacket, err error) {
+func (sig *Signature) buildSubpackets(issuer PublicKey, config *Config) (subpackets []outputSubpacket, err error) {
 	creationTime := make([]byte, 4)
 	binary.BigEndian.PutUint32(creationTime, uint32(sig.CreationTime.Unix()))
 	// Signature Creation Time
-	subpackets = append(subpackets, outputSubpacket{true, creationTimeSubpacket, true, creationTime})
+	subpackets = append(subpackets, outputSubpacket{true, creationTimeSubpacket, !config.GenerateNonCriticalSignatureCreationTime(), creationTime})
 	// Signature Expiration Time
 	if sig.SigLifetimeSecs != nil && *sig.SigLifetimeSecs != 0 {
 		sigLifetime := make([]byte, 4)
@@ -1357,7 +1357,7 @@ func (sig *Signature) buildSubpackets(issuer PublicKey) (subpackets []outputSubp
 		if sig.FlagGroupKey {
 			flags |= KeyFlagGroupKey
 		}
-		subpackets = append(subpackets, outputSubpacket{true, keyFlagsSubpacket, true, []byte{flags}})
+		subpackets = append(subpackets, outputSubpacket{true, keyFlagsSubpacket, !config.GenerateNonCriticalKeyFlags(), []byte{flags}})
 	}
 	// Signer's User ID
 	if sig.SignerUserId != nil {