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authorShane Wang <shane.wang@intel.com>2010-03-18 08:22:55 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2010-03-18 08:22:55 -0400
commit304a204ec9d4b9b31f3491e736bfbba44feaa1b0 (patch)
tree9d27df692dcc0cabd8ea3a7ae78fa24c5faae3ad /crypto
parent32cbd7dfce93382a70f155bf539871b4c55bed29 (diff)
crypto: vmac - Fix big-endian support
This patch is to fix the vmac algorithm, add more test cases for vmac, and fix the test failure on some big endian system like s390. Signed-off-by: Shane Wang <shane.wang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/testmgr.h64
-rw-r--r--crypto/vmac.c75
2 files changed, 96 insertions, 43 deletions
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index fb765173d41..74e35377fd3 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -1669,17 +1669,73 @@ static struct hash_testvec aes_xcbc128_tv_template[] = {
1669 } 1669 }
1670}; 1670};
1671 1671
1672#define VMAC_AES_TEST_VECTORS 1 1672#define VMAC_AES_TEST_VECTORS 8
1673static char vmac_string[128] = {'\x01', '\x01', '\x01', '\x01', 1673static char vmac_string1[128] = {'\x01', '\x01', '\x01', '\x01',
1674 '\x02', '\x03', '\x02', '\x02', 1674 '\x02', '\x03', '\x02', '\x02',
1675 '\x02', '\x04', '\x01', '\x07', 1675 '\x02', '\x04', '\x01', '\x07',
1676 '\x04', '\x01', '\x04', '\x03',}; 1676 '\x04', '\x01', '\x04', '\x03',};
1677static char vmac_string2[128] = {'a', 'b', 'c',};
1678static char vmac_string3[128] = {'a', 'b', 'c', 'a', 'b', 'c',
1679 'a', 'b', 'c', 'a', 'b', 'c',
1680 'a', 'b', 'c', 'a', 'b', 'c',
1681 'a', 'b', 'c', 'a', 'b', 'c',
1682 'a', 'b', 'c', 'a', 'b', 'c',
1683 'a', 'b', 'c', 'a', 'b', 'c',
1684 'a', 'b', 'c', 'a', 'b', 'c',
1685 'a', 'b', 'c', 'a', 'b', 'c',
1686 };
1687
1677static struct hash_testvec aes_vmac128_tv_template[] = { 1688static struct hash_testvec aes_vmac128_tv_template[] = {
1678 { 1689 {
1690 .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
1691 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
1692 .plaintext = NULL,
1693 .digest = "\x07\x58\x80\x35\x77\xa4\x7b\x54",
1694 .psize = 0,
1695 .ksize = 16,
1696 }, {
1697 .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
1698 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
1699 .plaintext = vmac_string1,
1700 .digest = "\xce\xf5\x3c\xd3\xae\x68\x8c\xa1",
1701 .psize = 128,
1702 .ksize = 16,
1703 }, {
1704 .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
1705 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
1706 .plaintext = vmac_string2,
1707 .digest = "\xc9\x27\xb0\x73\x81\xbd\x14\x2d",
1708 .psize = 128,
1709 .ksize = 16,
1710 }, {
1679 .key = "\x00\x01\x02\x03\x04\x05\x06\x07" 1711 .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
1680 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", 1712 "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
1681 .plaintext = vmac_string, 1713 .plaintext = vmac_string3,
1682 .digest = "\xcb\xd7\x8a\xfd\xb7\x33\x79\xe7", 1714 .digest = "\x8d\x1a\x95\x8c\x98\x47\x0b\x19",
1715 .psize = 128,
1716 .ksize = 16,
1717 }, {
1718 .key = "abcdefghijklmnop",
1719 .plaintext = NULL,
1720 .digest = "\x3b\x89\xa1\x26\x9e\x55\x8f\x84",
1721 .psize = 0,
1722 .ksize = 16,
1723 }, {
1724 .key = "abcdefghijklmnop",
1725 .plaintext = vmac_string1,
1726 .digest = "\xab\x5e\xab\xb0\xf6\x8d\x74\xc2",
1727 .psize = 128,
1728 .ksize = 16,
1729 }, {
1730 .key = "abcdefghijklmnop",
1731 .plaintext = vmac_string2,
1732 .digest = "\x11\x15\x68\x42\x3d\x7b\x09\xdf",
1733 .psize = 128,
1734 .ksize = 16,
1735 }, {
1736 .key = "abcdefghijklmnop",
1737 .plaintext = vmac_string3,
1738 .digest = "\x8b\x32\x8f\xe1\xed\x8f\xfa\xd4",
1683 .psize = 128, 1739 .psize = 128,
1684 .ksize = 16, 1740 .ksize = 16,
1685 }, 1741 },
diff --git a/crypto/vmac.c b/crypto/vmac.c
index 0a9468e575d..0999274a27a 100644
--- a/crypto/vmac.c
+++ b/crypto/vmac.c
@@ -43,6 +43,8 @@ const u64 m63 = UINT64_C(0x7fffffffffffffff); /* 63-bit mask */
43const u64 m64 = UINT64_C(0xffffffffffffffff); /* 64-bit mask */ 43const u64 m64 = UINT64_C(0xffffffffffffffff); /* 64-bit mask */
44const u64 mpoly = UINT64_C(0x1fffffff1fffffff); /* Poly key mask */ 44const u64 mpoly = UINT64_C(0x1fffffff1fffffff); /* Poly key mask */
45 45
46#define pe64_to_cpup le64_to_cpup /* Prefer little endian */
47
46#ifdef __LITTLE_ENDIAN 48#ifdef __LITTLE_ENDIAN
47#define INDEX_HIGH 1 49#define INDEX_HIGH 1
48#define INDEX_LOW 0 50#define INDEX_LOW 0
@@ -110,8 +112,8 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff); /* Poly key mask */
110 int i; u64 th, tl; \ 112 int i; u64 th, tl; \
111 rh = rl = 0; \ 113 rh = rl = 0; \
112 for (i = 0; i < nw; i += 2) { \ 114 for (i = 0; i < nw; i += 2) { \
113 MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i], \ 115 MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i], \
114 le64_to_cpup((mp)+i+1)+(kp)[i+1]); \ 116 pe64_to_cpup((mp)+i+1)+(kp)[i+1]); \
115 ADD128(rh, rl, th, tl); \ 117 ADD128(rh, rl, th, tl); \
116 } \ 118 } \
117 } while (0) 119 } while (0)
@@ -121,11 +123,11 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff); /* Poly key mask */
121 int i; u64 th, tl; \ 123 int i; u64 th, tl; \
122 rh1 = rl1 = rh = rl = 0; \ 124 rh1 = rl1 = rh = rl = 0; \
123 for (i = 0; i < nw; i += 2) { \ 125 for (i = 0; i < nw; i += 2) { \
124 MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i], \ 126 MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i], \
125 le64_to_cpup((mp)+i+1)+(kp)[i+1]); \ 127 pe64_to_cpup((mp)+i+1)+(kp)[i+1]); \
126 ADD128(rh, rl, th, tl); \ 128 ADD128(rh, rl, th, tl); \
127 MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i+2], \ 129 MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i+2], \
128 le64_to_cpup((mp)+i+1)+(kp)[i+3]); \ 130 pe64_to_cpup((mp)+i+1)+(kp)[i+3]); \
129 ADD128(rh1, rl1, th, tl); \ 131 ADD128(rh1, rl1, th, tl); \
130 } \ 132 } \
131 } while (0) 133 } while (0)
@@ -136,17 +138,17 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff); /* Poly key mask */
136 int i; u64 th, tl; \ 138 int i; u64 th, tl; \
137 rh = rl = 0; \ 139 rh = rl = 0; \
138 for (i = 0; i < nw; i += 8) { \ 140 for (i = 0; i < nw; i += 8) { \
139 MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i], \ 141 MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i], \
140 le64_to_cpup((mp)+i+1)+(kp)[i+1]); \ 142 pe64_to_cpup((mp)+i+1)+(kp)[i+1]); \
141 ADD128(rh, rl, th, tl); \ 143 ADD128(rh, rl, th, tl); \
142 MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+2], \ 144 MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+2], \
143 le64_to_cpup((mp)+i+3)+(kp)[i+3]); \ 145 pe64_to_cpup((mp)+i+3)+(kp)[i+3]); \
144 ADD128(rh, rl, th, tl); \ 146 ADD128(rh, rl, th, tl); \
145 MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+4], \ 147 MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+4], \
146 le64_to_cpup((mp)+i+5)+(kp)[i+5]); \ 148 pe64_to_cpup((mp)+i+5)+(kp)[i+5]); \
147 ADD128(rh, rl, th, tl); \ 149 ADD128(rh, rl, th, tl); \
148 MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+6], \ 150 MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+6], \
149 le64_to_cpup((mp)+i+7)+(kp)[i+7]); \ 151 pe64_to_cpup((mp)+i+7)+(kp)[i+7]); \
150 ADD128(rh, rl, th, tl); \ 152 ADD128(rh, rl, th, tl); \
151 } \ 153 } \
152 } while (0) 154 } while (0)
@@ -156,29 +158,29 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff); /* Poly key mask */
156 int i; u64 th, tl; \ 158 int i; u64 th, tl; \
157 rh1 = rl1 = rh = rl = 0; \ 159 rh1 = rl1 = rh = rl = 0; \
158 for (i = 0; i < nw; i += 8) { \ 160 for (i = 0; i < nw; i += 8) { \
159 MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i], \ 161 MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i], \
160 le64_to_cpup((mp)+i+1)+(kp)[i+1]); \ 162 pe64_to_cpup((mp)+i+1)+(kp)[i+1]); \
161 ADD128(rh, rl, th, tl); \ 163 ADD128(rh, rl, th, tl); \
162 MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i+2], \ 164 MUL64(th, tl, pe64_to_cpup((mp)+i)+(kp)[i+2], \
163 le64_to_cpup((mp)+i+1)+(kp)[i+3]); \ 165 pe64_to_cpup((mp)+i+1)+(kp)[i+3]); \
164 ADD128(rh1, rl1, th, tl); \ 166 ADD128(rh1, rl1, th, tl); \
165 MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+2], \ 167 MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+2], \
166 le64_to_cpup((mp)+i+3)+(kp)[i+3]); \ 168 pe64_to_cpup((mp)+i+3)+(kp)[i+3]); \
167 ADD128(rh, rl, th, tl); \ 169 ADD128(rh, rl, th, tl); \
168 MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+4], \ 170 MUL64(th, tl, pe64_to_cpup((mp)+i+2)+(kp)[i+4], \
169 le64_to_cpup((mp)+i+3)+(kp)[i+5]); \ 171 pe64_to_cpup((mp)+i+3)+(kp)[i+5]); \
170 ADD128(rh1, rl1, th, tl); \ 172 ADD128(rh1, rl1, th, tl); \
171 MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+4], \ 173 MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+4], \
172 le64_to_cpup((mp)+i+5)+(kp)[i+5]); \ 174 pe64_to_cpup((mp)+i+5)+(kp)[i+5]); \
173 ADD128(rh, rl, th, tl); \ 175 ADD128(rh, rl, th, tl); \
174 MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+6], \ 176 MUL64(th, tl, pe64_to_cpup((mp)+i+4)+(kp)[i+6], \
175 le64_to_cpup((mp)+i+5)+(kp)[i+7]); \ 177 pe64_to_cpup((mp)+i+5)+(kp)[i+7]); \
176 ADD128(rh1, rl1, th, tl); \ 178 ADD128(rh1, rl1, th, tl); \
177 MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+6], \ 179 MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+6], \
178 le64_to_cpup((mp)+i+7)+(kp)[i+7]); \ 180 pe64_to_cpup((mp)+i+7)+(kp)[i+7]); \
179 ADD128(rh, rl, th, tl); \ 181 ADD128(rh, rl, th, tl); \
180 MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+8], \ 182 MUL64(th, tl, pe64_to_cpup((mp)+i+6)+(kp)[i+8], \
181 le64_to_cpup((mp)+i+7)+(kp)[i+9]); \ 183 pe64_to_cpup((mp)+i+7)+(kp)[i+9]); \
182 ADD128(rh1, rl1, th, tl); \ 184 ADD128(rh1, rl1, th, tl); \
183 } \ 185 } \
184 } while (0) 186 } while (0)
@@ -216,8 +218,8 @@ const u64 mpoly = UINT64_C(0x1fffffff1fffffff); /* Poly key mask */
216 int i; \ 218 int i; \
217 rh = rl = t = 0; \ 219 rh = rl = t = 0; \
218 for (i = 0; i < nw; i += 2) { \ 220 for (i = 0; i < nw; i += 2) { \
219 t1 = le64_to_cpup(mp+i) + kp[i]; \ 221 t1 = pe64_to_cpup(mp+i) + kp[i]; \
220 t2 = le64_to_cpup(mp+i+1) + kp[i+1]; \ 222 t2 = pe64_to_cpup(mp+i+1) + kp[i+1]; \
221 m2 = MUL32(t1 >> 32, t2); \ 223 m2 = MUL32(t1 >> 32, t2); \
222 m1 = MUL32(t1, t2 >> 32); \ 224 m1 = MUL32(t1, t2 >> 32); \
223 ADD128(rh, rl, MUL32(t1 >> 32, t2 >> 32), \ 225 ADD128(rh, rl, MUL32(t1 >> 32, t2 >> 32), \
@@ -322,8 +324,7 @@ static void vhash_abort(struct vmac_ctx *ctx)
322 ctx->first_block_processed = 0; 324 ctx->first_block_processed = 0;
323} 325}
324 326
325static u64 l3hash(u64 p1, u64 p2, 327static u64 l3hash(u64 p1, u64 p2, u64 k1, u64 k2, u64 len)
326 u64 k1, u64 k2, u64 len)
327{ 328{
328 u64 rh, rl, t, z = 0; 329 u64 rh, rl, t, z = 0;
329 330
@@ -474,7 +475,7 @@ static u64 vmac(unsigned char m[], unsigned int mbytes,
474 } 475 }
475 p = be64_to_cpup(out_p + i); 476 p = be64_to_cpup(out_p + i);
476 h = vhash(m, mbytes, (u64 *)0, &ctx->__vmac_ctx); 477 h = vhash(m, mbytes, (u64 *)0, &ctx->__vmac_ctx);
477 return p + h; 478 return le64_to_cpu(p + h);
478} 479}
479 480
480static int vmac_set_key(unsigned char user_key[], struct vmac_ctx_t *ctx) 481static int vmac_set_key(unsigned char user_key[], struct vmac_ctx_t *ctx)
@@ -549,10 +550,6 @@ static int vmac_setkey(struct crypto_shash *parent,
549 550
550static int vmac_init(struct shash_desc *pdesc) 551static int vmac_init(struct shash_desc *pdesc)
551{ 552{
552 struct crypto_shash *parent = pdesc->tfm;
553 struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
554
555 memset(&ctx->__vmac_ctx, 0, sizeof(struct vmac_ctx));
556 return 0; 553 return 0;
557} 554}
558 555
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