Initial QSfera import

Server/vendor/github.com/lestrrat-go/jwx/v3/internal/tokens/BUILD.bazel

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+load("@rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "tokens",
+    srcs = [
+        "jwe_tokens.go",
+        "tokens.go",
+    ],
+    importpath = "github.com/lestrrat-go/jwx/v3/internal/tokens",
+    visibility = ["//:__subpackages__"],
+)
+
+alias(
+    name = "go_default_library",
+    actual = ":tokens",
+    visibility = ["//:__subpackages__"],
+)

Server/vendor/github.com/lestrrat-go/jwx/v3/internal/tokens/jwe_tokens.go

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+package tokens
+
+// JWE Key Encryption Algorithms
+const (
+	// RSA algorithms
+	RSA1_5       = "RSA1_5"
+	RSA_OAEP     = "RSA-OAEP"
+	RSA_OAEP_256 = "RSA-OAEP-256"
+	RSA_OAEP_384 = "RSA-OAEP-384"
+	RSA_OAEP_512 = "RSA-OAEP-512"
+
+	// AES Key Wrap algorithms
+	A128KW = "A128KW"
+	A192KW = "A192KW"
+	A256KW = "A256KW"
+
+	// AES GCM Key Wrap algorithms
+	A128GCMKW = "A128GCMKW"
+	A192GCMKW = "A192GCMKW"
+	A256GCMKW = "A256GCMKW"
+
+	// ECDH-ES algorithms
+	ECDH_ES        = "ECDH-ES"
+	ECDH_ES_A128KW = "ECDH-ES+A128KW"
+	ECDH_ES_A192KW = "ECDH-ES+A192KW"
+	ECDH_ES_A256KW = "ECDH-ES+A256KW"
+
+	// PBES2 algorithms
+	PBES2_HS256_A128KW = "PBES2-HS256+A128KW"
+	PBES2_HS384_A192KW = "PBES2-HS384+A192KW"
+	PBES2_HS512_A256KW = "PBES2-HS512+A256KW"
+
+	// Direct key agreement
+	DIRECT = "dir"
+)
+
+// JWE Content Encryption Algorithms
+const (
+	// AES GCM algorithms
+	A128GCM = "A128GCM"
+	A192GCM = "A192GCM"
+	A256GCM = "A256GCM"
+
+	// AES CBC + HMAC algorithms
+	A128CBC_HS256 = "A128CBC-HS256"
+	A192CBC_HS384 = "A192CBC-HS384"
+	A256CBC_HS512 = "A256CBC-HS512"
+)

Server/vendor/github.com/lestrrat-go/jwx/v3/internal/tokens/tokens.go

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+package tokens
+
+const (
+	CloseCurlyBracket  = '}'
+	CloseSquareBracket = ']'
+	Colon              = ':'
+	Comma              = ','
+	DoubleQuote        = '"'
+	OpenCurlyBracket   = '{'
+	OpenSquareBracket  = '['
+	Period             = '.'
+)
+
+// Cryptographic key sizes
+const (
+	KeySize16 = 16
+	KeySize24 = 24
+	KeySize32 = 32
+	KeySize48 = 48 // A192CBC_HS384 key size
+	KeySize64 = 64 // A256CBC_HS512 key size
+)
+
+// Bit/byte conversion factors
+const (
+	BitsPerByte = 8
+	BytesPerBit = 1.0 / 8
+)
+
+// Key wrapping constants
+const (
+	KeywrapChunkLen  = 8
+	KeywrapRounds    = 6 // RFC 3394 key wrap rounds
+	KeywrapBlockSize = 8 // Key wrap block size in bytes
+)
+
+// AES-GCM constants
+const (
+	GCMIVSize  = 12 // GCM IV size in bytes (96 bits)
+	GCMTagSize = 16 // GCM tag size in bytes (128 bits)
+)
+
+// PBES2 constants
+const (
+	PBES2DefaultIterations = 10000 // Default PBKDF2 iteration count
+	PBES2NullByteSeparator = 0     // Null byte separator for PBES2
+)
+
+// RSA key generation constants
+const (
+	RSAKeyGenMultiplier = 2 // RSA key generation size multiplier
+)