build(deps): bump github.com/containerd/imgcrypt

Bumps [github.com/containerd/imgcrypt](https://github.com/containerd/imgcrypt) from 1.1.12-0.20240528203804-3ca09a2db5cd to 1.2.0-rc1.
- [Release notes](https://github.com/containerd/imgcrypt/releases)
- [Changelog](https://github.com/containerd/imgcrypt/blob/main/CHANGES)
- [Commits](https://github.com/containerd/imgcrypt/commits/v1.2.0-rc1)

---
updated-dependencies:
- dependency-name: github.com/containerd/imgcrypt
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/containerd/imgcrypt/.golangci.yml

@@ -5,19 +5,19 @@ linters:
     - unconvert
     - gofmt
     - goimports
+    - govet
     - revive
     - ineffassign
-    - vet
     - unused
     - misspell
 
-run:
-  skip-dirs:
+issue:
+  exclude-dirs:
     - cmd/ctr/commands/run
     - cmd/ctr/commands/images
     - cmd\\ctr\\commands\\run
     - cmd\\ctr\\commands\\images
-  skip-files:
+  exclude-files:
     - cmd/ctr/commands/commands.go
     - cmd\\ctr\\commands\\commands.go
 

vendor/github.com/containerd/imgcrypt/CHANGES

@@ -1,5 +1,11 @@
 CHANGES
 
+v1.2.0-rc1:
+  - Updated to ocicrypt v1.2.0
+  - Updated to containerd v2.0.0-rc.3
+  - Updated other dependencies
+  - Tests: Fixes to work with later version of containerd
+
 v1.1.10:
   - Updated to ocicrypt v1.1.10
   - Added test cases with JKW EC key and added 2 more RSA keys

vendor/github.com/containerd/imgcrypt/images/encryption/encryption.go

@@ -500,7 +500,7 @@ func GetImageDecryptConverter(cc *encconfig.CryptoConfig, lf LayerFilter) conver
 func CheckAuthorization(ctx context.Context, cs content.Store, desc ocispec.Descriptor, dc *encconfig.DecryptConfig) error {
 	cc := encconfig.InitDecryption(dc.Parameters)
 
-	lf := func(desc ocispec.Descriptor) bool {
+	lf := func(_ ocispec.Descriptor) bool {
 		return true
 	}
 

vendor/github.com/containers/ocicrypt/.golangci.yml

@@ -7,7 +7,7 @@ linters:
     - goimports
     - revive
     - ineffassign
-    - vet
+    - govet
     - unused
     - misspell
 

vendor/github.com/containers/ocicrypt/blockcipher/blockcipher.go

@@ -96,9 +96,8 @@ func (lbco LayerBlockCipherOptions) GetOpt(key string) (value []byte, ok bool) {
 		return v, ok
 	} else if v, ok := lbco.Private.CipherOptions[key]; ok {
 		return v, ok
-	} else {
-		return nil, false
 	}
+	return nil, false
 }
 
 func wrapFinalizerWithType(fin Finalizer, typ LayerCipherType) Finalizer {

vendor/github.com/containers/ocicrypt/gpg.go

@@ -79,9 +79,8 @@ func GuessGPGVersion() GPGVersion {
 		return GPGv2
 	} else if err := exec.Command("gpg", "--version").Run(); err == nil {
 		return GPGv1
-	} else {
-		return GPGVersionUndetermined
 	}
+	return GPGVersionUndetermined
 }
 
 // NewGPGClient creates a new GPGClient object representing the given version

vendor/github.com/containers/ocicrypt/keywrap/jwe/keywrapper_jwe.go

@@ -24,7 +24,7 @@ import (
 	"github.com/containers/ocicrypt/config"
 	"github.com/containers/ocicrypt/keywrap"
 	"github.com/containers/ocicrypt/utils"
-	"github.com/go-jose/go-jose/v3"
+	"github.com/go-jose/go-jose/v4"
 )
 
 type jweKeyWrapper struct {
@@ -65,7 +65,11 @@ func (kw *jweKeyWrapper) WrapKeys(ec *config.EncryptConfig, optsData []byte) ([]
 }
 
 func (kw *jweKeyWrapper) UnwrapKey(dc *config.DecryptConfig, jweString []byte) ([]byte, error) {
-	jwe, err := jose.ParseEncrypted(string(jweString))
+	// cf. list of algorithms in func addPubKeys() below
+	keyEncryptionAlgorithms := []jose.KeyAlgorithm{jose.RSA_OAEP, jose.RSA_OAEP_256, jose.ECDH_ES_A128KW, jose.ECDH_ES_A192KW, jose.ECDH_ES_A256KW}
+	// accept all algorithms defined in RFC 7518, section 5.1
+	contentEncryption := []jose.ContentEncryption{jose.A128CBC_HS256, jose.A192CBC_HS384, jose.A256CBC_HS512, jose.A128GCM, jose.A192GCM, jose.A256GCM}
+	jwe, err := jose.ParseEncrypted(string(jweString), keyEncryptionAlgorithms, contentEncryption)
 	if err != nil {
 		return nil, errors.New("jose.ParseEncrypted failed")
 	}

vendor/github.com/containers/ocicrypt/keywrap/keyprovider/keyprovider.go

@@ -124,9 +124,8 @@ func (kw *keyProviderKeyWrapper) WrapKeys(ec *config.EncryptConfig, optsData []b
 			}
 
 			return protocolOuput.KeyWrapResults.Annotation, nil
-		} else {
-			return nil, errors.New("Unsupported keyprovider invocation. Supported invocation methods are grpc and cmd")
 		}
+		return nil, errors.New("Unsupported keyprovider invocation. Supported invocation methods are grpc and cmd")
 	}
 
 	return nil, nil
@@ -162,9 +161,8 @@ func (kw *keyProviderKeyWrapper) UnwrapKey(dc *config.DecryptConfig, jsonString
 		}
 
 		return protocolOuput.KeyUnwrapResults.OptsData, nil
-	} else {
-		return nil, errors.New("Unsupported keyprovider invocation. Supported invocation methods are grpc and cmd")
 	}
+	return nil, errors.New("Unsupported keyprovider invocation. Supported invocation methods are grpc and cmd")
 }
 
 func getProviderGRPCOutput(input []byte, connString string, operation KeyProviderKeyWrapProtocolOperation) (*KeyProviderKeyWrapProtocolOutput, error) {

vendor/github.com/containers/ocicrypt/utils/utils.go

@@ -26,7 +26,7 @@ import (
 	"strings"
 
 	"github.com/containers/ocicrypt/crypto/pkcs11"
-	"github.com/go-jose/go-jose/v3"
+	"github.com/go-jose/go-jose/v4"
 	"golang.org/x/crypto/openpgp"
 )
 

vendor/github.com/go-jose/go-jose/v4/CHANGELOG.md

@@ -45,12 +45,6 @@ token".
 
 [1]: https://i.blackhat.com/BH-US-23/Presentations/US-23-Tervoort-Three-New-Attacks-Against-JSON-Web-Tokens.pdf
 
-# v3.0.3
-
-## Fixed
-
- - Limit decompression output size to prevent a DoS. Backport from v4.0.1.
-
 # v3.0.2
 
 ## Fixed

vendor/github.com/go-jose/go-jose/v4/README.md

@@ -1,17 +1,9 @@
 # Go JOSE
 
-### Versions
-
-[Version 4](https://github.com/go-jose/go-jose)
-([branch](https://github.com/go-jose/go-jose/),
-[doc](https://pkg.go.dev/github.com/go-jose/go-jose/v4), [releases](https://github.com/go-jose/go-jose/releases)) is the current stable version:
-
-    import "github.com/go-jose/go-jose/v4"
-
-The old [square/go-jose](https://github.com/square/go-jose) repo contains the prior v1 and v2 versions, which
-are deprecated.
-
-### Summary
+[![godoc](https://pkg.go.dev/badge/github.com/go-jose/go-jose/v4.svg)](https://pkg.go.dev/github.com/go-jose/go-jose/v4)
+[![godoc](https://pkg.go.dev/badge/github.com/go-jose/go-jose/v4/jwt.svg)](https://pkg.go.dev/github.com/go-jose/go-jose/v4/jwt)
+[![license](https://img.shields.io/badge/license-apache_2.0-blue.svg?style=flat)](https://raw.githubusercontent.com/go-jose/go-jose/master/LICENSE)
+[![test](https://img.shields.io/github/checks-status/go-jose/go-jose/v4)](https://github.com/go-jose/go-jose/actions)
 
 Package jose aims to provide an implementation of the Javascript Object Signing
 and Encryption set of standards. This includes support for JSON Web Encryption,
@@ -43,6 +35,20 @@ of [case-insensitive matching](https://www.ietf.org/mail-archive/web/json/curren
 This is to avoid differences in interpretation of messages between go-jose and
 libraries in other languages.
 
+### Versions
+
+[Version 4](https://github.com/go-jose/go-jose)
+([branch](https://github.com/go-jose/go-jose/tree/main),
+[doc](https://pkg.go.dev/github.com/go-jose/go-jose/v4), [releases](https://github.com/go-jose/go-jose/releases)) is the current stable version:
+
+    import "github.com/go-jose/go-jose/v4"
+
+The old [square/go-jose](https://github.com/square/go-jose) repo contains the prior v1 and v2 versions, which
+are still useable but not actively developed anymore.
+
+Version 3, in this repo, is still receiving security fixes but not functionality
+updates.
+
 ### Supported algorithms
 
 See below for a table of supported algorithms. Algorithm identifiers match
@@ -98,11 +104,11 @@ allows attaching a key id.
 
 ## Examples
 
-[![godoc](https://pkg.go.dev/badge/github.com/go-jose/go-jose/v3.svg)](https://pkg.go.dev/github.com/go-jose/go-jose/v3)
-[![godoc](https://pkg.go.dev/badge/github.com/go-jose/go-jose/v3/jwt.svg)](https://pkg.go.dev/github.com/go-jose/go-jose/v3/jwt)
+[![godoc](https://pkg.go.dev/badge/github.com/go-jose/go-jose/v4.svg)](https://pkg.go.dev/github.com/go-jose/go-jose/v4)
+[![godoc](https://pkg.go.dev/badge/github.com/go-jose/go-jose/v4/jwt.svg)](https://pkg.go.dev/github.com/go-jose/go-jose/v4/jwt)
 
 Examples can be found in the Godoc
 reference for this package. The
-[`jose-util`](https://github.com/go-jose/go-jose/tree/v3/jose-util)
+[`jose-util`](https://github.com/go-jose/go-jose/tree/v4/jose-util)
 subdirectory also contains a small command-line utility which might be useful
 as an example as well.

vendor/github.com/go-jose/go-jose/v4/asymmetric.go

@@ -29,8 +29,8 @@ import (
 	"fmt"
 	"math/big"
 
-	josecipher "github.com/go-jose/go-jose/v3/cipher"
-	"github.com/go-jose/go-jose/v3/json"
+	josecipher "github.com/go-jose/go-jose/v4/cipher"
+	"github.com/go-jose/go-jose/v4/json"
 )
 
 // A generic RSA-based encrypter/verifier

vendor/github.com/go-jose/go-jose/v4/crypter.go

@@ -22,7 +22,7 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/go-jose/go-jose/v3/json"
+	"github.com/go-jose/go-jose/v4/json"
 )
 
 // Encrypter represents an encrypter which produces an encrypted JWE object.

vendor/github.com/go-jose/go-jose/v4/encoding.go

@@ -27,7 +27,7 @@ import (
 	"strings"
 	"unicode"
 
-	"github.com/go-jose/go-jose/v3/json"
+	"github.com/go-jose/go-jose/v4/json"
 )
 
 // Helper function to serialize known-good objects.
@@ -106,10 +106,7 @@ func inflate(input []byte) ([]byte, error) {
 	output := new(bytes.Buffer)
 	reader := flate.NewReader(bytes.NewBuffer(input))
 
-	maxCompressedSize := 10 * int64(len(input))
-	if maxCompressedSize < 250000 {
-		maxCompressedSize = 250000
-	}
+	maxCompressedSize := max(250_000, 10*int64(len(input)))
 
 	limit := maxCompressedSize + 1
 	n, err := io.CopyN(output, reader, limit)
@@ -167,7 +164,7 @@ func (b *byteBuffer) UnmarshalJSON(data []byte) error {
 		return nil
 	}
 
-	decoded, err := base64URLDecode(encoded)
+	decoded, err := base64.RawURLEncoding.DecodeString(encoded)
 	if err != nil {
 		return err
 	}
@@ -197,12 +194,6 @@ func (b byteBuffer) toInt() int {
 	return int(b.bigInt().Int64())
 }
 
-// base64URLDecode is implemented as defined in https://www.rfc-editor.org/rfc/rfc7515.html#appendix-C
-func base64URLDecode(value string) ([]byte, error) {
-	value = strings.TrimRight(value, "=")
-	return base64.RawURLEncoding.DecodeString(value)
-}
-
 func base64EncodeLen(sl []byte) int {
 	return base64.RawURLEncoding.EncodedLen(len(sl))
 }

vendor/github.com/go-jose/go-jose/v4/jwe.go

@@ -18,10 +18,11 @@ package jose
 
 import (
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"strings"
 
-	"github.com/go-jose/go-jose/v3/json"
+	"github.com/go-jose/go-jose/v4/json"
 )
 
 // rawJSONWebEncryption represents a raw JWE JSON object. Used for parsing/serializing.
@@ -104,29 +105,75 @@ func (obj JSONWebEncryption) computeAuthData() []byte {
 	return output
 }
 
-// ParseEncrypted parses an encrypted message in compact or JWE JSON Serialization format.
-func ParseEncrypted(input string) (*JSONWebEncryption, error) {
-	input = stripWhitespace(input)
-	if strings.HasPrefix(input, "{") {
-		return parseEncryptedFull(input)
+func containsKeyAlgorithm(haystack []KeyAlgorithm, needle KeyAlgorithm) bool {
+	for _, algorithm := range haystack {
+		if algorithm == needle {
+			return true
+		}
 	}
-
-	return parseEncryptedCompact(input)
+	return false
 }
 
-// parseEncryptedFull parses a message in compact format.
-func parseEncryptedFull(input string) (*JSONWebEncryption, error) {
+func containsContentEncryption(haystack []ContentEncryption, needle ContentEncryption) bool {
+	for _, algorithm := range haystack {
+		if algorithm == needle {
+			return true
+		}
+	}
+	return false
+}
+
+// ParseEncrypted parses an encrypted message in JWE Compact or JWE JSON Serialization.
+//
+// https://datatracker.ietf.org/doc/html/rfc7516#section-3.1
+// https://datatracker.ietf.org/doc/html/rfc7516#section-3.2
+//
+// The keyAlgorithms and contentEncryption parameters are used to validate the "alg" and "enc"
+// header parameters respectively. They must be nonempty, and each "alg" or "enc" header in
+// parsed data must contain a value that is present in the corresponding parameter. That
+// includes the protected and unprotected headers as well as all recipients. To accept
+// multiple algorithms, pass a slice of all the algorithms you want to accept.
+func ParseEncrypted(input string,
+	keyEncryptionAlgorithms []KeyAlgorithm,
+	contentEncryption []ContentEncryption,
+) (*JSONWebEncryption, error) {
+	input = stripWhitespace(input)
+	if strings.HasPrefix(input, "{") {
+		return ParseEncryptedJSON(input, keyEncryptionAlgorithms, contentEncryption)
+	}
+
+	return ParseEncryptedCompact(input, keyEncryptionAlgorithms, contentEncryption)
+}
+
+// ParseEncryptedJSON parses a message in JWE JSON Serialization.
+//
+// https://datatracker.ietf.org/doc/html/rfc7516#section-3.2
+func ParseEncryptedJSON(
+	input string,
+	keyEncryptionAlgorithms []KeyAlgorithm,
+	contentEncryption []ContentEncryption,
+) (*JSONWebEncryption, error) {
 	var parsed rawJSONWebEncryption
 	err := json.Unmarshal([]byte(input), &parsed)
 	if err != nil {
 		return nil, err
 	}
 
-	return parsed.sanitized()
+	return parsed.sanitized(keyEncryptionAlgorithms, contentEncryption)
 }
 
 // sanitized produces a cleaned-up JWE object from the raw JSON.
-func (parsed *rawJSONWebEncryption) sanitized() (*JSONWebEncryption, error) {
+func (parsed *rawJSONWebEncryption) sanitized(
+	keyEncryptionAlgorithms []KeyAlgorithm,
+	contentEncryption []ContentEncryption,
+) (*JSONWebEncryption, error) {
+	if len(keyEncryptionAlgorithms) == 0 {
+		return nil, errors.New("go-jose/go-jose: no key algorithms provided")
+	}
+	if len(contentEncryption) == 0 {
+		return nil, errors.New("go-jose/go-jose: no content encryption algorithms provided")
+	}
+
 	obj := &JSONWebEncryption{
 		original:    parsed,
 		unprotected: parsed.Unprotected,
@@ -170,7 +217,7 @@ func (parsed *rawJSONWebEncryption) sanitized() (*JSONWebEncryption, error) {
 	} else {
 		obj.recipients = make([]recipientInfo, len(parsed.Recipients))
 		for r := range parsed.Recipients {
-			encryptedKey, err := base64URLDecode(parsed.Recipients[r].EncryptedKey)
+			encryptedKey, err := base64.RawURLEncoding.DecodeString(parsed.Recipients[r].EncryptedKey)
 			if err != nil {
 				return nil, err
 			}
@@ -185,10 +232,31 @@ func (parsed *rawJSONWebEncryption) sanitized() (*JSONWebEncryption, error) {
 		}
 	}
 
-	for _, recipient := range obj.recipients {
+	for i, recipient := range obj.recipients {
 		headers := obj.mergedHeaders(&recipient)
-		if headers.getAlgorithm() == "" || headers.getEncryption() == "" {
-			return nil, fmt.Errorf("go-jose/go-jose: message is missing alg/enc headers")
+		if headers.getAlgorithm() == "" {
+			return nil, fmt.Errorf(`go-jose/go-jose: recipient %d: missing header "alg"`, i)
+		}
+		if headers.getEncryption() == "" {
+			return nil, fmt.Errorf(`go-jose/go-jose: recipient %d: missing header "enc"`, i)
+		}
+		err := validateAlgEnc(headers, keyEncryptionAlgorithms, contentEncryption)
+		if err != nil {
+			return nil, fmt.Errorf("go-jose/go-jose: recipient %d: %s", i, err)
+		}
+
+	}
+
+	if obj.protected != nil {
+		err := validateAlgEnc(*obj.protected, keyEncryptionAlgorithms, contentEncryption)
+		if err != nil {
+			return nil, fmt.Errorf("go-jose/go-jose: protected header: %s", err)
+		}
+	}
+	if obj.unprotected != nil {
+		err := validateAlgEnc(*obj.unprotected, keyEncryptionAlgorithms, contentEncryption)
+		if err != nil {
+			return nil, fmt.Errorf("go-jose/go-jose: unprotected header: %s", err)
 		}
 	}
 
@@ -200,34 +268,52 @@ func (parsed *rawJSONWebEncryption) sanitized() (*JSONWebEncryption, error) {
 	return obj, nil
 }
 
-// parseEncryptedCompact parses a message in compact format.
-func parseEncryptedCompact(input string) (*JSONWebEncryption, error) {
+func validateAlgEnc(headers rawHeader, keyAlgorithms []KeyAlgorithm, contentEncryption []ContentEncryption) error {
+	alg := headers.getAlgorithm()
+	enc := headers.getEncryption()
+	if alg != "" && !containsKeyAlgorithm(keyAlgorithms, alg) {
+		return fmt.Errorf("unexpected key algorithm %q; expected %q", alg, keyAlgorithms)
+	}
+	if alg != "" && !containsContentEncryption(contentEncryption, enc) {
+		return fmt.Errorf("unexpected content encryption algorithm %q; expected %q", enc, contentEncryption)
+	}
+	return nil
+}
+
+// ParseEncryptedCompact parses a message in JWE Compact Serialization.
+//
+// https://datatracker.ietf.org/doc/html/rfc7516#section-3.1
+func ParseEncryptedCompact(
+	input string,
+	keyAlgorithms []KeyAlgorithm,
+	contentEncryption []ContentEncryption,
+) (*JSONWebEncryption, error) {
 	parts := strings.Split(input, ".")
 	if len(parts) != 5 {
 		return nil, fmt.Errorf("go-jose/go-jose: compact JWE format must have five parts")
 	}
 
-	rawProtected, err := base64URLDecode(parts[0])
+	rawProtected, err := base64.RawURLEncoding.DecodeString(parts[0])
 	if err != nil {
 		return nil, err
 	}
 
-	encryptedKey, err := base64URLDecode(parts[1])
+	encryptedKey, err := base64.RawURLEncoding.DecodeString(parts[1])
 	if err != nil {
 		return nil, err
 	}
 
-	iv, err := base64URLDecode(parts[2])
+	iv, err := base64.RawURLEncoding.DecodeString(parts[2])
 	if err != nil {
 		return nil, err
 	}
 
-	ciphertext, err := base64URLDecode(parts[3])
+	ciphertext, err := base64.RawURLEncoding.DecodeString(parts[3])
 	if err != nil {
 		return nil, err
 	}
 
-	tag, err := base64URLDecode(parts[4])
+	tag, err := base64.RawURLEncoding.DecodeString(parts[4])
 	if err != nil {
 		return nil, err
 	}
@@ -240,7 +326,7 @@ func parseEncryptedCompact(input string) (*JSONWebEncryption, error) {
 		Tag:          newBuffer(tag),
 	}
 
-	return raw.sanitized()
+	return raw.sanitized(keyAlgorithms, contentEncryption)
 }
 
 // CompactSerialize serializes an object using the compact serialization format.

vendor/github.com/go-jose/go-jose/v4/jwk.go

@@ -35,7 +35,7 @@ import (
 	"reflect"
 	"strings"
 
-	"github.com/go-jose/go-jose/v3/json"
+	"github.com/go-jose/go-jose/v4/json"
 )
 
 // rawJSONWebKey represents a public or private key in JWK format, used for parsing/serializing.
@@ -266,7 +266,7 @@ func (k *JSONWebKey) UnmarshalJSON(data []byte) (err error) {
 
 	// x5t parameters are base64url-encoded SHA thumbprints
 	// See RFC 7517, Section 4.8, https://tools.ietf.org/html/rfc7517#section-4.8
-	x5tSHA1bytes, err := base64URLDecode(raw.X5tSHA1)
+	x5tSHA1bytes, err := base64.RawURLEncoding.DecodeString(raw.X5tSHA1)
 	if err != nil {
 		return errors.New("go-jose/go-jose: invalid JWK, x5t header has invalid encoding")
 	}
@@ -286,7 +286,7 @@ func (k *JSONWebKey) UnmarshalJSON(data []byte) (err error) {
 
 	k.CertificateThumbprintSHA1 = x5tSHA1bytes
 
-	x5tSHA256bytes, err := base64URLDecode(raw.X5tSHA256)
+	x5tSHA256bytes, err := base64.RawURLEncoding.DecodeString(raw.X5tSHA256)
 	if err != nil {
 		return errors.New("go-jose/go-jose: invalid JWK, x5t#S256 header has invalid encoding")
 	}

vendor/github.com/go-jose/go-jose/v4/jws.go

@@ -23,7 +23,7 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/go-jose/go-jose/v3/json"
+	"github.com/go-jose/go-jose/v4/json"
 )
 
 // rawJSONWebSignature represents a raw JWS JSON object. Used for parsing/serializing.
@@ -75,22 +75,41 @@ type Signature struct {
 	original  *rawSignatureInfo
 }
 
-// ParseSigned parses a signed message in compact or JWS JSON Serialization format.
-func ParseSigned(signature string) (*JSONWebSignature, error) {
+// ParseSigned parses a signed message in JWS Compact or JWS JSON Serialization.
+//
+// https://datatracker.ietf.org/doc/html/rfc7515#section-7
+func ParseSigned(
+	signature string,
+	signatureAlgorithms []SignatureAlgorithm,
+) (*JSONWebSignature, error) {
 	signature = stripWhitespace(signature)
 	if strings.HasPrefix(signature, "{") {
-		return parseSignedFull(signature)
+		return ParseSignedJSON(signature, signatureAlgorithms)
 	}
 
-	return parseSignedCompact(signature, nil)
+	return parseSignedCompact(signature, nil, signatureAlgorithms)
+}
+
+// ParseSignedCompact parses a message in JWS Compact Serialization.
+//
+// https://datatracker.ietf.org/doc/html/rfc7515#section-7.1
+func ParseSignedCompact(
+	signature string,
+	signatureAlgorithms []SignatureAlgorithm,
+) (*JSONWebSignature, error) {
+	return parseSignedCompact(signature, nil, signatureAlgorithms)
 }
 
 // ParseDetached parses a signed message in compact serialization format with detached payload.
-func ParseDetached(signature string, payload []byte) (*JSONWebSignature, error) {
+func ParseDetached(
+	signature string,
+	payload []byte,
+	signatureAlgorithms []SignatureAlgorithm,
+) (*JSONWebSignature, error) {
 	if payload == nil {
 		return nil, errors.New("go-jose/go-jose: nil payload")
 	}
-	return parseSignedCompact(stripWhitespace(signature), payload)
+	return parseSignedCompact(stripWhitespace(signature), payload, signatureAlgorithms)
 }
 
 // Get a header value
@@ -137,19 +156,36 @@ func (obj JSONWebSignature) computeAuthData(payload []byte, signature *Signature
 	return authData.Bytes(), nil
 }
 
-// parseSignedFull parses a message in full format.
-func parseSignedFull(input string) (*JSONWebSignature, error) {
+// ParseSignedJSON parses a message in JWS JSON Serialization.
+//
+// https://datatracker.ietf.org/doc/html/rfc7515#section-7.2
+func ParseSignedJSON(
+	input string,
+	signatureAlgorithms []SignatureAlgorithm,
+) (*JSONWebSignature, error) {
 	var parsed rawJSONWebSignature
 	err := json.Unmarshal([]byte(input), &parsed)
 	if err != nil {
 		return nil, err
 	}
 
-	return parsed.sanitized()
+	return parsed.sanitized(signatureAlgorithms)
+}
+
+func containsSignatureAlgorithm(haystack []SignatureAlgorithm, needle SignatureAlgorithm) bool {
+	for _, algorithm := range haystack {
+		if algorithm == needle {
+			return true
+		}
+	}
+	return false
 }
 
 // sanitized produces a cleaned-up JWS object from the raw JSON.
-func (parsed *rawJSONWebSignature) sanitized() (*JSONWebSignature, error) {
+func (parsed *rawJSONWebSignature) sanitized(signatureAlgorithms []SignatureAlgorithm) (*JSONWebSignature, error) {
+	if len(signatureAlgorithms) == 0 {
+		return nil, errors.New("go-jose/go-jose: no signature algorithms specified")
+	}
 	if parsed.Payload == nil {
 		return nil, fmt.Errorf("go-jose/go-jose: missing payload in JWS message")
 	}
@@ -198,6 +234,12 @@ func (parsed *rawJSONWebSignature) sanitized() (*JSONWebSignature, error) {
 			return nil, err
 		}
 
+		alg := SignatureAlgorithm(signature.Header.Algorithm)
+		if !containsSignatureAlgorithm(signatureAlgorithms, alg) {
+			return nil, fmt.Errorf("go-jose/go-jose: unexpected signature algorithm %q; expected %q",
+				alg, signatureAlgorithms)
+		}
+
 		if signature.header != nil {
 			signature.Unprotected, err = signature.header.sanitized()
 			if err != nil {
@@ -241,6 +283,12 @@ func (parsed *rawJSONWebSignature) sanitized() (*JSONWebSignature, error) {
 			return nil, err
 		}
 
+		alg := SignatureAlgorithm(obj.Signatures[i].Header.Algorithm)
+		if !containsSignatureAlgorithm(signatureAlgorithms, alg) {
+			return nil, fmt.Errorf("go-jose/go-jose: unexpected signature algorithm %q; expected %q",
+				alg, signatureAlgorithms)
+		}
+
 		if obj.Signatures[i].header != nil {
 			obj.Signatures[i].Unprotected, err = obj.Signatures[i].header.sanitized()
 			if err != nil {
@@ -274,7 +322,11 @@ func (parsed *rawJSONWebSignature) sanitized() (*JSONWebSignature, error) {
 }
 
 // parseSignedCompact parses a message in compact format.
-func parseSignedCompact(input string, payload []byte) (*JSONWebSignature, error) {
+func parseSignedCompact(
+	input string,
+	payload []byte,
+	signatureAlgorithms []SignatureAlgorithm,
+) (*JSONWebSignature, error) {
 	parts := strings.Split(input, ".")
 	if len(parts) != 3 {
 		return nil, fmt.Errorf("go-jose/go-jose: compact JWS format must have three parts")
@@ -284,19 +336,19 @@ func parseSignedCompact(input string, payload []byte) (*JSONWebSignature, error)
 		return nil, fmt.Errorf("go-jose/go-jose: payload is not detached")
 	}
 
-	rawProtected, err := base64URLDecode(parts[0])
+	rawProtected, err := base64.RawURLEncoding.DecodeString(parts[0])
 	if err != nil {
 		return nil, err
 	}
 
 	if payload == nil {
-		payload, err = base64URLDecode(parts[1])
+		payload, err = base64.RawURLEncoding.DecodeString(parts[1])
 		if err != nil {
 			return nil, err
 		}
 	}
 
-	signature, err := base64URLDecode(parts[2])
+	signature, err := base64.RawURLEncoding.DecodeString(parts[2])
 	if err != nil {
 		return nil, err
 	}
@@ -306,7 +358,7 @@ func parseSignedCompact(input string, payload []byte) (*JSONWebSignature, error)
 		Protected: newBuffer(rawProtected),
 		Signature: newBuffer(signature),
 	}
-	return raw.sanitized()
+	return raw.sanitized(signatureAlgorithms)
 }
 
 func (obj JSONWebSignature) compactSerialize(detached bool) (string, error) {

vendor/github.com/go-jose/go-jose/v4/shared.go

@@ -23,7 +23,7 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/go-jose/go-jose/v3/json"
+	"github.com/go-jose/go-jose/v4/json"
 )
 
 // KeyAlgorithm represents a key management algorithm.
@@ -71,6 +71,12 @@ var (
 	// ErrUnprotectedNonce indicates that while parsing a JWS or JWE object, a
 	// nonce header parameter was included in an unprotected header object.
 	ErrUnprotectedNonce = errors.New("go-jose/go-jose: Nonce parameter included in unprotected header")
+
+	// ErrMissingX5cHeader indicates that the JWT header is missing x5c headers.
+	ErrMissingX5cHeader = errors.New("go-jose/go-jose: no x5c header present in message")
+
+	// ErrUnsupportedEllipticCurve indicates unsupported or unknown elliptic curve has been found.
+	ErrUnsupportedEllipticCurve = errors.New("go-jose/go-jose: unsupported/unknown elliptic curve")
 )
 
 // Key management algorithms
@@ -199,7 +205,7 @@ type Header struct {
 // not be validated with the given verify options.
 func (h Header) Certificates(opts x509.VerifyOptions) ([][]*x509.Certificate, error) {
 	if len(h.certificates) == 0 {
-		return nil, errors.New("go-jose/go-jose: no x5c header present in message")
+		return nil, ErrMissingX5cHeader
 	}
 
 	leaf := h.certificates[0]
@@ -501,7 +507,7 @@ func curveName(crv elliptic.Curve) (string, error) {
 	case elliptic.P521():
 		return "P-521", nil
 	default:
-		return "", fmt.Errorf("go-jose/go-jose: unsupported/unknown elliptic curve")
+		return "", ErrUnsupportedEllipticCurve
 	}
 }
 

vendor/github.com/go-jose/go-jose/v4/signing.go

@@ -25,7 +25,7 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/go-jose/go-jose/v3/json"
+	"github.com/go-jose/go-jose/v4/json"
 )
 
 // NonceSource represents a source of random nonces to go into JWS objects
@@ -49,6 +49,11 @@ type Signer interface {
 //   - JSONWebKey
 //   - []byte (an HMAC key)
 //   - Any type that satisfies the OpaqueSigner interface
+//
+// If the key is an HMAC key, it must have at least as many bytes as the relevant hash output:
+//   - HS256: 32 bytes
+//   - HS384: 48 bytes
+//   - HS512: 64 bytes
 type SigningKey struct {
 	Algorithm SignatureAlgorithm
 	Key       interface{}
@@ -353,8 +358,15 @@ func (ctx *genericSigner) Options() SignerOptions {
 //   - *rsa.PublicKey
 //   - *JSONWebKey
 //   - JSONWebKey
+//   - *JSONWebKeySet
+//   - JSONWebKeySet
 //   - []byte (an HMAC key)
 //   - Any type that implements the OpaqueVerifier interface.
+//
+// If the key is an HMAC key, it must have at least as many bytes as the relevant hash output:
+//   - HS256: 32 bytes
+//   - HS384: 48 bytes
+//   - HS512: 64 bytes
 func (obj JSONWebSignature) Verify(verificationKey interface{}) ([]byte, error) {
 	err := obj.DetachedVerify(obj.payload, verificationKey)
 	if err != nil {

vendor/github.com/go-jose/go-jose/v4/symmetric.go

@@ -32,7 +32,7 @@ import (
 
 	"golang.org/x/crypto/pbkdf2"
 
-	josecipher "github.com/go-jose/go-jose/v3/cipher"
+	josecipher "github.com/go-jose/go-jose/v4/cipher"
 )
 
 // RandReader is a cryptographically secure random number generator (stubbed out in tests).
@@ -454,7 +454,7 @@ func (ctx *symmetricKeyCipher) decryptKey(headers rawHeader, recipient *recipien
 func (ctx symmetricMac) signPayload(payload []byte, alg SignatureAlgorithm) (Signature, error) {
 	mac, err := ctx.hmac(payload, alg)
 	if err != nil {
-		return Signature{}, errors.New("go-jose/go-jose: failed to compute hmac")
+		return Signature{}, err
 	}
 
 	return Signature{
@@ -486,12 +486,24 @@ func (ctx symmetricMac) verifyPayload(payload []byte, mac []byte, alg SignatureA
 func (ctx symmetricMac) hmac(payload []byte, alg SignatureAlgorithm) ([]byte, error) {
 	var hash func() hash.Hash
 
+	// https://datatracker.ietf.org/doc/html/rfc7518#section-3.2
+	// A key of the same size as the hash output (for instance, 256 bits for
+	// "HS256") or larger MUST be used
 	switch alg {
 	case HS256:
+		if len(ctx.key)*8 < 256 {
+			return nil, ErrInvalidKeySize
+		}
 		hash = sha256.New
 	case HS384:
+		if len(ctx.key)*8 < 384 {
+			return nil, ErrInvalidKeySize
+		}
 		hash = sha512.New384
 	case HS512:
+		if len(ctx.key)*8 < 512 {
+			return nil, ErrInvalidKeySize
+		}
 		hash = sha512.New
 	default:
 		return nil, ErrUnsupportedAlgorithm