* Jonathan Lynch | 2007-11-06 18:28:00 [+0000]:
>SHA-224 should be chosen as a hash algorithm when 112 bits of security
>strength is required.
Who uses such an algorithm (in terms of application)?
>diff -uprN -X linux-2.6.24-rc1-vanilla/Documentation/dontdiff
>linux-2.6.24-rc1-vanilla/crypto/tcrypt.c linux-2.6.24-rc1/crypto/tcrypt.c
>--- linux-2.6.24-rc1-vanilla/crypto/tcrypt.c 2007-11-05 17:12:50.468842000
>+0000
>+++ linux-2.6.24-rc1/crypto/tcrypt.c 2007-11-06 10:20:30.985270000 +0000
>@@ -1097,10 +1102,14 @@ static void do_test(void)
> break;
>
> case 6:
>- test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
>+ test_hash("sha224", sha224_tv_template, SHA224_TEST_VECTORS);
> break;
>
> case 7:
>+ test_hash("sha256", sha256_tv_template, SHA256_TEST_VECTORS);
>+ break;
>+
>+ case 8:
> test_cipher("ecb(blowfish)", ENCRYPT, bf_enc_tv_template,
> BF_ENC_TEST_VECTORS);
> test_cipher("ecb(blowfish)", DECRYPT, bf_dec_tv_template,
>@@ -1111,7 +1120,7 @@ static void do_test(void)
> BF_CBC_DEC_TEST_VECTORS);
> break;
>
>- case 8:
>+ case 9:
> test_cipher("ecb(twofish)", ENCRYPT, tf_enc_tv_template,
> TF_ENC_TEST_VECTORS);
> test_cipher("ecb(twofish)", DECRYPT, tf_dec_tv_template,
Extend does not mean you change the user interface of the module. Please
pick your own number. This breaks atleast two of mine scripts.
>diff -uprN -X linux-2.6.24-rc1-vanilla/Documentation/dontdiff
>linux-2.6.24-rc1-vanilla/crypto/tcrypt.h linux-2.6.24-rc1/crypto/tcrypt.h
>--- linux-2.6.24-rc1-vanilla/crypto/tcrypt.h 2007-11-05 17:12:50.492842000
>+0000
>+++ linux-2.6.24-rc1/crypto/tcrypt.h 2007-11-05 18:18:31.610720000 +0000
>@@ -173,6 +173,33 @@ static struct hash_testvec sha1_tv_templ
> }
> };
>
>+
>+/*
>+ * SHA224 test vectors from from FIPS PUB 180-2
>+ */
>+#define SHA224_TEST_VECTORS 2
>+
>+static struct hash_testvec sha224_tv_template[] = {
>+ {
>+ .plaintext = "abc",
>+ .psize = 3,
>+ .digest = { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22,
>+ 0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3,
>+ 0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7,
>+ 0xE3, 0x6C, 0x9D, 0xA7},
>+ }, {
>+ .plaintext =
>+ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
>+ .psize = 56,
>+ .digest = { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC,
>+ 0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50,
>+ 0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19,
>+ 0x52, 0x52, 0x25, 0x25 },
>+ .np = 2,
>+ .tap = { 28, 28 }
>+ }
>+};
>+
> /*
> * SHA256 test vectors from from NIST
> */
>@@ -753,6 +780,7 @@ static struct hash_testvec hmac_md5_tv_t
> },
> };
>
>+
> /*
> * HMAC-SHA1 test vectors from RFC2202
> */
>@@ -817,6 +845,121 @@ static struct hash_testvec hmac_sha1_tv_
> },
> };
>
>+
>+/*
>+ * SHA224 HMAC test vectors from RFC4231
>+ */
>+#define HMAC_SHA224_TEST_VECTORS 4
>+
>+static struct hash_testvec hmac_sha224_tv_template[] = {
Please don't introduce any empty lines. You could save hunk #2 btw :)
Sebastian
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