kernel: backport crypto selftests for some ciphersuites

FIPS 140-3 recommends that all crypto implementations should be tested
before first use. Testmanager performs initial tests based on existing
test vectors. Not all algorithms have defined test vectors, so to improve
this situation, this commit backports recently added test vectors for
three  cipher suites:
* authenc(hmac(md5),cbc(des3_ede)),
* authenc(hmac(sha224),cbc(aes)),
* authenc(hmac(sha384),cbc(aes)).

These vectors were calculated using a software implementation and then
double-checked on Mediatek MT7981 (safexcel) and NXP P2020 (talitos).
Both platforms passed self-tests.

Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Link: openwrt/openwrt#21970
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

Author: abajk

target/linux/generic/backport-6.12/910-v7.0-crypto-testmgr-Add-test-vectors-for-authenc-hmac-sha.patch

@@ -0,0 +1,354 @@
+From 030218dedee2628ea3f035d71431e1b7c4191cfb Mon Sep 17 00:00:00 2001
+From: Aleksander Jan Bajkowski <olek2@wp.pl>
+Date: Sat, 31 Jan 2026 18:38:47 +0100
+Subject: [PATCH] crypto: testmgr - Add test vectors for
+ authenc(hmac(sha384),cbc(aes))
+
+Test vectors were generated starting from existing CBC(AES) test vectors
+(RFC3602, NIST SP800-38A) and adding HMAC(SHA384) computed with Python
+script. Then, the results were double-checked on Mediatek MT7981 (safexcel)
+and NXP P2020 (talitos). Both platforms pass self-tests.
+
+Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
+Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
+---
+ crypto/testmgr.c |   7 ++
+ crypto/testmgr.h | 311 +++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 318 insertions(+)
+
+--- a/crypto/testmgr.c
++++ b/crypto/testmgr.c
+@@ -4453,6 +4453,13 @@ static const struct alg_test_desc alg_te
+ 		.test = alg_test_null,
+ 		.fips_allowed = 1,
+ 	}, {
++		.alg = "authenc(hmac(sha384),cbc(aes))",
++		.generic_driver = "authenc(hmac-sha384-lib,cbc(aes-generic))",
++		.test = alg_test_aead,
++		.suite = {
++			.aead = __VECS(hmac_sha384_aes_cbc_tv_temp)
++		}
++	}, {
+ 		.alg = "authenc(hmac(sha384),cbc(des))",
+ 		.test = alg_test_aead,
+ 		.suite = {
+--- a/crypto/testmgr.h
++++ b/crypto/testmgr.h
+@@ -17773,6 +17773,317 @@ static const struct aead_testvec hmac_sh
+ 	},
+ };
+ 
++static const struct aead_testvec hmac_sha384_aes_cbc_tv_temp[] = {
++	{ /* RFC 3602 Case 1 */
++#ifdef __LITTLE_ENDIAN
++		.key    = "\x08\x00"		/* rta length */
++			  "\x01\x00"		/* rta type */
++#else
++		.key    = "\x00\x08"		/* rta length */
++			  "\x00\x01"		/* rta type */
++#endif
++			  "\x00\x00\x00\x10"	/* enc key length */
++			  "\x00\x00\x00\x00\x00\x00\x00\x00"
++			  "\x00\x00\x00\x00\x00\x00\x00\x00"
++			  "\x00\x00\x00\x00\x00\x00\x00\x00"
++			  "\x00\x00\x00\x00\x00\x00\x00\x00"
++			  "\x00\x00\x00\x00\x00\x00\x00\x00"
++			  "\x00\x00\x00\x00\x00\x00\x00\x00"
++			  "\x06\xa9\x21\x40\x36\xb8\xa1\x5b"
++			  "\x51\x2e\x03\xd5\x34\x12\x00\x06",
++		.klen   = 8 + 48 + 16,
++		.iv     = "\x3d\xaf\xba\x42\x9d\x9e\xb4\x30"
++			  "\xb4\x22\xda\x80\x2c\x9f\xac\x41",
++		.assoc	= "\x3d\xaf\xba\x42\x9d\x9e\xb4\x30"
++			  "\xb4\x22\xda\x80\x2c\x9f\xac\x41",
++		.alen   = 16,
++		.ptext	= "Single block msg",
++		.plen	= 16,
++		.ctext	= "\xe3\x53\x77\x9c\x10\x79\xae\xb8"
++			  "\x27\x08\x94\x2d\xbe\x77\x18\x1a"
++			  "\x79\x1c\xf1\x22\x95\x80\xe0\x60"
++			  "\x7f\xf9\x92\x60\x83\xbd\x60\x9c"
++			  "\xf6\x62\x8b\xa9\x7d\x56\xe2\xaf"
++			  "\x80\x43\xbc\x41\x4a\x63\x0b\xa0"
++			  "\x16\x25\xe2\xfe\x0a\x96\xf6\xa5"
++			  "\x6c\x0b\xc2\x53\xb4\x27\xd9\x42",
++		.clen	= 16 + 48,
++	}, { /* RFC 3602 Case 2 */
++#ifdef __LITTLE_ENDIAN
++		.key    = "\x08\x00"		/* rta length */
++			  "\x01\x00"		/* rta type */
++#else
++		.key    = "\x00\x08"		/* rta length */
++			  "\x00\x01"		/* rta type */
++#endif
++			  "\x00\x00\x00\x10"	/* enc key length */
++			  "\x20\x21\x22\x23\x24\x25\x26\x27"
++			  "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f"
++			  "\x30\x31\x32\x33\x34\x35\x36\x37"
++			  "\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f"
++			  "\x40\x41\x42\x43\x44\x45\x46\x47"
++			  "\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f"
++			  "\xc2\x86\x69\x6d\x88\x7c\x9a\xa0"
++			  "\x61\x1b\xbb\x3e\x20\x25\xa4\x5a",
++		.klen   = 8 + 48 + 16,
++		.iv     = "\x56\x2e\x17\x99\x6d\x09\x3d\x28"
++			  "\xdd\xb3\xba\x69\x5a\x2e\x6f\x58",
++		.assoc	= "\x56\x2e\x17\x99\x6d\x09\x3d\x28"
++			  "\xdd\xb3\xba\x69\x5a\x2e\x6f\x58",
++		.alen   = 16,
++		.ptext	= "\x00\x01\x02\x03\x04\x05\x06\x07"
++			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
++			  "\x10\x11\x12\x13\x14\x15\x16\x17"
++			  "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f",
++		.plen	= 32,
++		.ctext	= "\xd2\x96\xcd\x94\xc2\xcc\xcf\x8a"
++			  "\x3a\x86\x30\x28\xb5\xe1\xdc\x0a"
++			  "\x75\x86\x60\x2d\x25\x3c\xff\xf9"
++			  "\x1b\x82\x66\xbe\xa6\xd6\x1a\xb1"
++			  "\x4e\x5b\xa8\x65\x51\xc6\x58\xaf"
++			  "\x31\x57\x50\x3d\x01\xa1\xa4\x3f"
++			  "\x42\xd1\xd7\x31\x76\x8d\xf8\xc8"
++			  "\xe4\xd2\x7e\xc5\x23\xe7\xc6\x2e"
++			  "\x2d\xfd\x9d\xc1\xac\x50\x1e\xcf"
++			  "\xa0\x10\xeb\x1a\x9c\xb7\xe1\xca",
++		.clen	= 32 + 48,
++	}, { /* RFC 3602 Case 3 */
++#ifdef __LITTLE_ENDIAN
++		.key    = "\x08\x00"		/* rta length */
++			  "\x01\x00"            /* rta type */
++#else
++		.key    = "\x00\x08"		/* rta length */
++			  "\x00\x01"		/* rta type */
++#endif
++			  "\x00\x00\x00\x10"	/* enc key length */
++			  "\x11\x22\x33\x44\x55\x66\x77\x88"
++			  "\x99\xaa\xbb\xcc\xdd\xee\xff\x11"
++			  "\x22\x33\x44\x55\x66\x77\x88\x99"
++			  "\xaa\xbb\xcc\xdd\xee\xff\x11\x22"
++			  "\x33\x44\x55\x66\x77\x88\x99\xaa"
++			  "\xbb\xcc\xdd\xee\xff\x11\x22\x33"
++			  "\x6c\x3e\xa0\x47\x76\x30\xce\x21"
++			  "\xa2\xce\x33\x4a\xa7\x46\xc2\xcd",
++		.klen   = 8 + 48 + 16,
++		.iv     = "\xc7\x82\xdc\x4c\x09\x8c\x66\xcb"
++			  "\xd9\xcd\x27\xd8\x25\x68\x2c\x81",
++		.assoc	= "\xc7\x82\xdc\x4c\x09\x8c\x66\xcb"
++			  "\xd9\xcd\x27\xd8\x25\x68\x2c\x81",
++		.alen   = 16,
++		.ptext	= "This is a 48-byte message (exactly 3 AES blocks)",
++		.plen	= 48,
++		.ctext	= "\xd0\xa0\x2b\x38\x36\x45\x17\x53"
++			  "\xd4\x93\x66\x5d\x33\xf0\xe8\x86"
++			  "\x2d\xea\x54\xcd\xb2\x93\xab\xc7"
++			  "\x50\x69\x39\x27\x67\x72\xf8\xd5"
++			  "\x02\x1c\x19\x21\x6b\xad\x52\x5c"
++			  "\x85\x79\x69\x5d\x83\xba\x26\x84"
++			  "\xa1\x52\xe7\xda\xf7\x05\xb6\xca"
++			  "\xad\x0f\x51\xed\x5a\xd3\x0f\xdf"
++			  "\xde\xeb\x3f\x31\xed\x3a\x43\x93"
++			  "\x3b\xb7\xca\xc8\x1b\xe7\x3b\x61"
++			  "\x6a\x05\xfd\x2d\x6a\x5c\xb1\x0d"
++			  "\x6e\x7a\xeb\x1c\x84\xec\xdb\xde",
++		.clen	= 48 + 48,
++	}, { /* RFC 3602 Case 4 */
++#ifdef __LITTLE_ENDIAN
++		.key    = "\x08\x00"		/* rta length */
++			  "\x01\x00"		/* rta type */
++#else
++		.key    = "\x00\x08"		/* rta length */
++			  "\x00\x01"            /* rta type */
++#endif
++			  "\x00\x00\x00\x10"	/* enc key length */
++			  "\x11\x22\x33\x44\x55\x66\x77\x88"
++			  "\x99\xaa\xbb\xcc\xdd\xee\xff\x11"
++			  "\x22\x33\x44\x55\x66\x77\x88\x99"
++			  "\xaa\xbb\xcc\xdd\xee\xff\x11\x22"
++			  "\x33\x44\x55\x66\x77\x88\x99\xaa"
++			  "\xbb\xcc\xdd\xee\xff\x11\x22\x33"
++			  "\x56\xe4\x7a\x38\xc5\x59\x89\x74"
++			  "\xbc\x46\x90\x3d\xba\x29\x03\x49",
++		.klen   = 8 + 48 + 16,
++		.iv     = "\x8c\xe8\x2e\xef\xbe\xa0\xda\x3c"
++			  "\x44\x69\x9e\xd7\xdb\x51\xb7\xd9",
++		.assoc	= "\x8c\xe8\x2e\xef\xbe\xa0\xda\x3c"
++			  "\x44\x69\x9e\xd7\xdb\x51\xb7\xd9",
++		.alen   = 16,
++		.ptext	= "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7"
++			  "\xa8\xa9\xaa\xab\xac\xad\xae\xaf"
++			  "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7"
++			  "\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf"
++			  "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7"
++			  "\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf"
++			  "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7"
++			  "\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf",
++		.plen	= 64,
++		.ctext	= "\xc3\x0e\x32\xff\xed\xc0\x77\x4e"
++			  "\x6a\xff\x6a\xf0\x86\x9f\x71\xaa"
++			  "\x0f\x3a\xf0\x7a\x9a\x31\xa9\xc6"
++			  "\x84\xdb\x20\x7e\xb0\xef\x8e\x4e"
++			  "\x35\x90\x7a\xa6\x32\xc3\xff\xdf"
++			  "\x86\x8b\xb7\xb2\x9d\x3d\x46\xad"
++			  "\x83\xce\x9f\x9a\x10\x2e\xe9\x9d"
++			  "\x49\xa5\x3e\x87\xf4\xc3\xda\x55"
++			  "\x85\x7b\x91\xe0\x29\xeb\xd3\x59"
++			  "\x7c\xe3\x67\x14\xbe\x71\x2a\xd2"
++			  "\x8a\x1a\xd2\x35\x78\x6b\x69\xba"
++			  "\x64\xa5\x04\x00\x19\xc3\x4c\xae"
++			  "\x71\xff\x76\x9f\xbb\xc3\x29\x22"
++			  "\xc2\xc6\x51\xf1\xe6\x29\x5e\xa5",
++		.clen	= 64 + 48,
++	}, { /* RFC 3602 Case 5 */
++#ifdef __LITTLE_ENDIAN
++		.key    = "\x08\x00"		/* rta length */
++			  "\x01\x00"            /* rta type */
++#else
++		.key    = "\x00\x08"		/* rta length */
++			  "\x00\x01"            /* rta type */
++#endif
++			  "\x00\x00\x00\x10"	/* enc key length */
++			  "\x11\x22\x33\x44\x55\x66\x77\x88"
++			  "\x99\xaa\xbb\xcc\xdd\xee\xff\x11"
++			  "\x22\x33\x44\x55\x66\x77\x88\x99"
++			  "\xaa\xbb\xcc\xdd\xee\xff\x11\x22"
++			  "\x33\x44\x55\x66\x77\x88\x99\xaa"
++			  "\xbb\xcc\xdd\xee\xff\x11\x22\x33"
++			  "\x90\xd3\x82\xb4\x10\xee\xba\x7a"
++			  "\xd9\x38\xc4\x6c\xec\x1a\x82\xbf",
++		.klen   = 8 + 48 + 16,
++		.iv     = "\xe9\x6e\x8c\x08\xab\x46\x57\x63"
++			  "\xfd\x09\x8d\x45\xdd\x3f\xf8\x93",
++		.assoc  = "\x00\x00\x43\x21\x00\x00\x00\x01"
++			  "\xe9\x6e\x8c\x08\xab\x46\x57\x63"
++			  "\xfd\x09\x8d\x45\xdd\x3f\xf8\x93",
++		.alen   = 24,
++		.ptext	= "\x08\x00\x0e\xbd\xa7\x0a\x00\x00"
++			  "\x8e\x9c\x08\x3d\xb9\x5b\x07\x00"
++			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
++			  "\x10\x11\x12\x13\x14\x15\x16\x17"
++			  "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
++			  "\x20\x21\x22\x23\x24\x25\x26\x27"
++			  "\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f"
++			  "\x30\x31\x32\x33\x34\x35\x36\x37"
++			  "\x01\x02\x03\x04\x05\x06\x07\x08"
++			  "\x09\x0a\x0b\x0c\x0d\x0e\x0e\x01",
++		.plen	= 80,
++		.ctext	= "\xf6\x63\xc2\x5d\x32\x5c\x18\xc6"
++			  "\xa9\x45\x3e\x19\x4e\x12\x08\x49"
++			  "\xa4\x87\x0b\x66\xcc\x6b\x99\x65"
++			  "\x33\x00\x13\xb4\x89\x8d\xc8\x56"
++			  "\xa4\x69\x9e\x52\x3a\x55\xdb\x08"
++			  "\x0b\x59\xec\x3a\x8e\x4b\x7e\x52"
++			  "\x77\x5b\x07\xd1\xdb\x34\xed\x9c"
++			  "\x53\x8a\xb5\x0c\x55\x1b\x87\x4a"
++			  "\xa2\x69\xad\xd0\x47\xad\x2d\x59"
++			  "\x13\xac\x19\xb7\xcf\xba\xd4\xa6"
++			  "\x57\x5f\xb4\xd7\x74\x6f\x18\x97"
++			  "\xb7\xde\xfc\xf3\x4e\x0d\x29\x4d"
++			  "\xa0\xff\x39\x9e\x2d\xbf\x27\xac"
++			  "\x54\xb9\x8a\x3e\xab\x3b\xac\xd3"
++			  "\x36\x43\x74\xfc\xc2\x64\x81\x8a"
++			  "\x2c\x15\x72\xdf\x3f\x9d\x5b\xa4",
++		.clen	= 80 + 48,
++	}, { /* NIST SP800-38A F.2.3 CBC-AES192.Encrypt */
++#ifdef __LITTLE_ENDIAN
++		.key    = "\x08\x00"            /* rta length */
++			  "\x01\x00"		/* rta type */
++#else
++		.key    = "\x00\x08"		/* rta length */
++			  "\x00\x01"            /* rta type */
++#endif
++			  "\x00\x00\x00\x18"	/* enc key length */
++			  "\x11\x22\x33\x44\x55\x66\x77\x88"
++			  "\x99\xaa\xbb\xcc\xdd\xee\xff\x11"
++			  "\x22\x33\x44\x55\x66\x77\x88\x99"
++			  "\xaa\xbb\xcc\xdd\xee\xff\x11\x22"
++			  "\x33\x44\x55\x66\x77\x88\x99\xaa"
++			  "\xbb\xcc\xdd\xee\xff\x11\x22\x33"
++			  "\x8e\x73\xb0\xf7\xda\x0e\x64\x52"
++			  "\xc8\x10\xf3\x2b\x80\x90\x79\xe5"
++			  "\x62\xf8\xea\xd2\x52\x2c\x6b\x7b",
++		.klen   = 8 + 48 + 24,
++		.iv     = "\x00\x01\x02\x03\x04\x05\x06\x07"
++			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
++		.assoc	= "\x00\x01\x02\x03\x04\x05\x06\x07"
++			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
++		.alen   = 16,
++		.ptext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96"
++			  "\xe9\x3d\x7e\x11\x73\x93\x17\x2a"
++			  "\xae\x2d\x8a\x57\x1e\x03\xac\x9c"
++			  "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51"
++			  "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11"
++			  "\xe5\xfb\xc1\x19\x1a\x0a\x52\xef"
++			  "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17"
++			  "\xad\x2b\x41\x7b\xe6\x6c\x37\x10",
++		.plen	= 64,
++		.ctext	= "\x4f\x02\x1d\xb2\x43\xbc\x63\x3d"
++			  "\x71\x78\x18\x3a\x9f\xa0\x71\xe8"
++			  "\xb4\xd9\xad\xa9\xad\x7d\xed\xf4"
++			  "\xe5\xe7\x38\x76\x3f\x69\x14\x5a"
++			  "\x57\x1b\x24\x20\x12\xfb\x7a\xe0"
++			  "\x7f\xa9\xba\xac\x3d\xf1\x02\xe0"
++			  "\x08\xb0\xe2\x79\x88\x59\x88\x81"
++			  "\xd9\x20\xa9\xe6\x4f\x56\x15\xcd"
++			  "\x29\x9b\x42\x47\x0b\xbf\xf3\x54"
++			  "\x54\x95\xb0\x89\xd5\xa0\xc3\x78"
++			  "\x60\x6c\x18\x39\x6d\xc9\xfb\x2a"
++			  "\x34\x1c\xed\x95\x10\x1e\x43\x0a"
++			  "\x72\xce\x26\xbc\x74\xd9\x6f\xa2"
++			  "\xf1\xd9\xd0\xb1\xdf\x3d\x93\x14",
++		.clen	= 64 + 48,
++	}, { /* NIST SP800-38A F.2.5 CBC-AES256.Encrypt */
++#ifdef __LITTLE_ENDIAN
++		.key    = "\x08\x00"		/* rta length */
++			  "\x01\x00"		/* rta type */
++#else
++		.key    = "\x00\x08"		/* rta length */
++			  "\x00\x01"            /* rta type */
++#endif
++			  "\x00\x00\x00\x20"	/* enc key length */
++			  "\x11\x22\x33\x44\x55\x66\x77\x88"
++			  "\x99\xaa\xbb\xcc\xdd\xee\xff\x11"
++			  "\x22\x33\x44\x55\x66\x77\x88\x99"
++			  "\xaa\xbb\xcc\xdd\xee\xff\x11\x22"
++			  "\x33\x44\x55\x66\x77\x88\x99\xaa"
++			  "\xbb\xcc\xdd\xee\xff\x11\x22\x33"
++			  "\x60\x3d\xeb\x10\x15\xca\x71\xbe"
++			  "\x2b\x73\xae\xf0\x85\x7d\x77\x81"
++			  "\x1f\x35\x2c\x07\x3b\x61\x08\xd7"
++			  "\x2d\x98\x10\xa3\x09\x14\xdf\xf4",
++		.klen   = 8 + 48 + 32,
++		.iv     = "\x00\x01\x02\x03\x04\x05\x06\x07"
++			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
++		.assoc	= "\x00\x01\x02\x03\x04\x05\x06\x07"
++			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
++		.alen   = 16,
++		.ptext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96"
++			  "\xe9\x3d\x7e\x11\x73\x93\x17\x2a"
++			  "\xae\x2d\x8a\x57\x1e\x03\xac\x9c"
++			  "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51"
++			  "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11"
++			  "\xe5\xfb\xc1\x19\x1a\x0a\x52\xef"
++			  "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17"
++			  "\xad\x2b\x41\x7b\xe6\x6c\x37\x10",
++		.plen	= 64,
++		.ctext	= "\xf5\x8c\x4c\x04\xd6\xe5\xf1\xba"
++			  "\x77\x9e\xab\xfb\x5f\x7b\xfb\xd6"
++			  "\x9c\xfc\x4e\x96\x7e\xdb\x80\x8d"
++			  "\x67\x9f\x77\x7b\xc6\x70\x2c\x7d"
++			  "\x39\xf2\x33\x69\xa9\xd9\xba\xcf"
++			  "\xa5\x30\xe2\x63\x04\x23\x14\x61"
++			  "\xb2\xeb\x05\xe2\xc3\x9b\xe9\xfc"
++			  "\xda\x6c\x19\x07\x8c\x6a\x9d\x1b"
++			  "\x9f\x50\xce\x64\xd9\xa3\xc9\x7a"
++			  "\x15\x3a\x3d\x46\x9a\x90\xf3\x06"
++			  "\x22\xad\xc5\x24\x77\x50\xb8\xfe"
++			  "\xbe\x37\x16\x86\x34\x5f\xaf\x97"
++			  "\x00\x9d\x86\xc8\x32\x4f\x72\x2f"
++			  "\x48\x97\xad\xb6\xb9\x77\x33\xbc",
++		.clen	= 64 + 48,
++	},
++};
++
+ static const struct aead_testvec hmac_sha512_aes_cbc_tv_temp[] = {
+ 	{ /* RFC 3602 Case 1 */
+ #ifdef __LITTLE_ENDIAN