crypto: poly1305 - Pass key as first two message blocks to each desc_ctx

The Poly1305 authenticator requires a unique key for each generated tag. This
implies that we can't set the key per tfm, as multiple users set individual
keys. Instead we pass a desc specific key as the first two blocks of the
message to authenticate in update().

Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Martin Willi 2015-06-16 11:34:16 +02:00 committed by Herbert Xu
parent 8f69b76387
commit c2b7b20aed
3 changed files with 146 additions and 128 deletions

View File

@ -54,14 +54,14 @@ struct poly_req {
}; };
struct chacha_req { struct chacha_req {
/* the key we generate for Poly1305 using Chacha20 */
u8 key[POLY1305_KEY_SIZE];
u8 iv[CHACHA20_IV_SIZE]; u8 iv[CHACHA20_IV_SIZE];
struct scatterlist src[1]; struct scatterlist src[1];
struct ablkcipher_request req; /* must be last member */ struct ablkcipher_request req; /* must be last member */
}; };
struct chachapoly_req_ctx { struct chachapoly_req_ctx {
/* the key we generate for Poly1305 using Chacha20 */
u8 key[POLY1305_KEY_SIZE];
/* calculated Poly1305 tag */ /* calculated Poly1305 tag */
u8 tag[POLY1305_DIGEST_SIZE]; u8 tag[POLY1305_DIGEST_SIZE];
/* length of data to en/decrypt, without ICV */ /* length of data to en/decrypt, without ICV */
@ -294,11 +294,38 @@ static int poly_ad(struct aead_request *req)
return poly_adpad(req); return poly_adpad(req);
} }
static void poly_init_done(struct crypto_async_request *areq, int err) static void poly_setkey_done(struct crypto_async_request *areq, int err)
{ {
async_done_continue(areq->data, err, poly_ad); async_done_continue(areq->data, err, poly_ad);
} }
static int poly_setkey(struct aead_request *req)
{
struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
struct chachapoly_req_ctx *rctx = aead_request_ctx(req);
struct poly_req *preq = &rctx->u.poly;
int err;
sg_init_table(preq->src, 1);
sg_set_buf(preq->src, rctx->key, sizeof(rctx->key));
ahash_request_set_callback(&preq->req, aead_request_flags(req),
poly_setkey_done, req);
ahash_request_set_tfm(&preq->req, ctx->poly);
ahash_request_set_crypt(&preq->req, preq->src, NULL, sizeof(rctx->key));
err = crypto_ahash_update(&preq->req);
if (err)
return err;
return poly_ad(req);
}
static void poly_init_done(struct crypto_async_request *areq, int err)
{
async_done_continue(areq->data, err, poly_setkey);
}
static int poly_init(struct aead_request *req) static int poly_init(struct aead_request *req)
{ {
struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req)); struct chachapoly_ctx *ctx = crypto_aead_ctx(crypto_aead_reqtfm(req));
@ -314,33 +341,12 @@ static int poly_init(struct aead_request *req)
if (err) if (err)
return err; return err;
return poly_ad(req); return poly_setkey(req);
}
static int poly_genkey_continue(struct aead_request *req)
{
struct crypto_aead *aead = crypto_aead_reqtfm(req);
struct chachapoly_ctx *ctx = crypto_aead_ctx(aead);
struct chachapoly_req_ctx *rctx = aead_request_ctx(req);
struct chacha_req *creq = &rctx->u.chacha;
int err;
crypto_ahash_clear_flags(ctx->poly, CRYPTO_TFM_REQ_MASK);
crypto_ahash_set_flags(ctx->poly, crypto_aead_get_flags(aead) &
CRYPTO_TFM_REQ_MASK);
err = crypto_ahash_setkey(ctx->poly, creq->key, sizeof(creq->key));
crypto_aead_set_flags(aead, crypto_ahash_get_flags(ctx->poly) &
CRYPTO_TFM_RES_MASK);
if (err)
return err;
return poly_init(req);
} }
static void poly_genkey_done(struct crypto_async_request *areq, int err) static void poly_genkey_done(struct crypto_async_request *areq, int err)
{ {
async_done_continue(areq->data, err, poly_genkey_continue); async_done_continue(areq->data, err, poly_init);
} }
static int poly_genkey(struct aead_request *req) static int poly_genkey(struct aead_request *req)
@ -351,8 +357,8 @@ static int poly_genkey(struct aead_request *req)
int err; int err;
sg_init_table(creq->src, 1); sg_init_table(creq->src, 1);
memset(creq->key, 0, sizeof(creq->key)); memset(rctx->key, 0, sizeof(rctx->key));
sg_set_buf(creq->src, creq->key, sizeof(creq->key)); sg_set_buf(creq->src, rctx->key, sizeof(rctx->key));
chacha_iv(creq->iv, req, 0); chacha_iv(creq->iv, req, 0);
@ -366,7 +372,7 @@ static int poly_genkey(struct aead_request *req)
if (err) if (err)
return err; return err;
return poly_genkey_continue(req); return poly_init(req);
} }
static void chacha_encrypt_done(struct crypto_async_request *areq, int err) static void chacha_encrypt_done(struct crypto_async_request *areq, int err)
@ -403,8 +409,9 @@ static int chachapoly_encrypt(struct aead_request *req)
/* encrypt call chain: /* encrypt call chain:
* - chacha_encrypt/done() * - chacha_encrypt/done()
* - poly_genkey/done/continue() * - poly_genkey/done()
* - poly_init/done() * - poly_init/done()
* - poly_setkey/done()
* - poly_ad/done() * - poly_ad/done()
* - poly_adpad/done() * - poly_adpad/done()
* - poly_cipher/done() * - poly_cipher/done()
@ -424,8 +431,9 @@ static int chachapoly_decrypt(struct aead_request *req)
rctx->cryptlen = req->cryptlen - POLY1305_DIGEST_SIZE; rctx->cryptlen = req->cryptlen - POLY1305_DIGEST_SIZE;
/* decrypt call chain: /* decrypt call chain:
* - poly_genkey/done/continue() * - poly_genkey/done()
* - poly_init/done() * - poly_init/done()
* - poly_setkey/done()
* - poly_ad/done() * - poly_ad/done()
* - poly_adpad/done() * - poly_adpad/done()
* - poly_cipher/done() * - poly_cipher/done()

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@ -21,20 +21,21 @@
#define POLY1305_KEY_SIZE 32 #define POLY1305_KEY_SIZE 32
#define POLY1305_DIGEST_SIZE 16 #define POLY1305_DIGEST_SIZE 16
struct poly1305_ctx { struct poly1305_desc_ctx {
/* key */ /* key */
u32 r[5]; u32 r[5];
/* finalize key */ /* finalize key */
u32 s[4]; u32 s[4];
};
struct poly1305_desc_ctx {
/* accumulator */ /* accumulator */
u32 h[5]; u32 h[5];
/* partial buffer */ /* partial buffer */
u8 buf[POLY1305_BLOCK_SIZE]; u8 buf[POLY1305_BLOCK_SIZE];
/* bytes used in partial buffer */ /* bytes used in partial buffer */
unsigned int buflen; unsigned int buflen;
/* r key has been set */
bool rset;
/* s key has been set */
bool sset;
}; };
static inline u64 mlt(u64 a, u64 b) static inline u64 mlt(u64 a, u64 b)
@ -63,6 +64,8 @@ static int poly1305_init(struct shash_desc *desc)
memset(dctx->h, 0, sizeof(dctx->h)); memset(dctx->h, 0, sizeof(dctx->h));
dctx->buflen = 0; dctx->buflen = 0;
dctx->rset = false;
dctx->sset = false;
return 0; return 0;
} }
@ -70,42 +73,60 @@ static int poly1305_init(struct shash_desc *desc)
static int poly1305_setkey(struct crypto_shash *tfm, static int poly1305_setkey(struct crypto_shash *tfm,
const u8 *key, unsigned int keylen) const u8 *key, unsigned int keylen)
{ {
struct poly1305_ctx *ctx = crypto_shash_ctx(tfm); /* Poly1305 requires a unique key for each tag, which implies that
* we can't set it on the tfm that gets accessed by multiple users
if (keylen != POLY1305_KEY_SIZE) { * simultaneously. Instead we expect the key as the first 32 bytes in
crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); * the update() call. */
return -EINVAL; return -ENOTSUPP;
} }
static void poly1305_setrkey(struct poly1305_desc_ctx *dctx, const u8 *key)
{
/* r &= 0xffffffc0ffffffc0ffffffc0fffffff */ /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
ctx->r[0] = (le32_to_cpuvp(key + 0) >> 0) & 0x3ffffff; dctx->r[0] = (le32_to_cpuvp(key + 0) >> 0) & 0x3ffffff;
ctx->r[1] = (le32_to_cpuvp(key + 3) >> 2) & 0x3ffff03; dctx->r[1] = (le32_to_cpuvp(key + 3) >> 2) & 0x3ffff03;
ctx->r[2] = (le32_to_cpuvp(key + 6) >> 4) & 0x3ffc0ff; dctx->r[2] = (le32_to_cpuvp(key + 6) >> 4) & 0x3ffc0ff;
ctx->r[3] = (le32_to_cpuvp(key + 9) >> 6) & 0x3f03fff; dctx->r[3] = (le32_to_cpuvp(key + 9) >> 6) & 0x3f03fff;
ctx->r[4] = (le32_to_cpuvp(key + 12) >> 8) & 0x00fffff; dctx->r[4] = (le32_to_cpuvp(key + 12) >> 8) & 0x00fffff;
}
ctx->s[0] = le32_to_cpuvp(key + 16); static void poly1305_setskey(struct poly1305_desc_ctx *dctx, const u8 *key)
ctx->s[1] = le32_to_cpuvp(key + 20); {
ctx->s[2] = le32_to_cpuvp(key + 24); dctx->s[0] = le32_to_cpuvp(key + 0);
ctx->s[3] = le32_to_cpuvp(key + 28); dctx->s[1] = le32_to_cpuvp(key + 4);
dctx->s[2] = le32_to_cpuvp(key + 8);
return 0; dctx->s[3] = le32_to_cpuvp(key + 12);
} }
static unsigned int poly1305_blocks(struct poly1305_desc_ctx *dctx, static unsigned int poly1305_blocks(struct poly1305_desc_ctx *dctx,
struct poly1305_ctx *ctx, const u8 *src, const u8 *src, unsigned int srclen,
unsigned int srclen, u32 hibit) u32 hibit)
{ {
u32 r0, r1, r2, r3, r4; u32 r0, r1, r2, r3, r4;
u32 s1, s2, s3, s4; u32 s1, s2, s3, s4;
u32 h0, h1, h2, h3, h4; u32 h0, h1, h2, h3, h4;
u64 d0, d1, d2, d3, d4; u64 d0, d1, d2, d3, d4;
r0 = ctx->r[0]; if (unlikely(!dctx->sset)) {
r1 = ctx->r[1]; if (!dctx->rset && srclen >= POLY1305_BLOCK_SIZE) {
r2 = ctx->r[2]; poly1305_setrkey(dctx, src);
r3 = ctx->r[3]; src += POLY1305_BLOCK_SIZE;
r4 = ctx->r[4]; srclen -= POLY1305_BLOCK_SIZE;
dctx->rset = true;
}
if (srclen >= POLY1305_BLOCK_SIZE) {
poly1305_setskey(dctx, src);
src += POLY1305_BLOCK_SIZE;
srclen -= POLY1305_BLOCK_SIZE;
dctx->sset = true;
}
}
r0 = dctx->r[0];
r1 = dctx->r[1];
r2 = dctx->r[2];
r3 = dctx->r[3];
r4 = dctx->r[4];
s1 = r1 * 5; s1 = r1 * 5;
s2 = r2 * 5; s2 = r2 * 5;
@ -164,7 +185,6 @@ static int poly1305_update(struct shash_desc *desc,
const u8 *src, unsigned int srclen) const u8 *src, unsigned int srclen)
{ {
struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc); struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);
struct poly1305_ctx *ctx = crypto_shash_ctx(desc->tfm);
unsigned int bytes; unsigned int bytes;
if (unlikely(dctx->buflen)) { if (unlikely(dctx->buflen)) {
@ -175,14 +195,14 @@ static int poly1305_update(struct shash_desc *desc,
dctx->buflen += bytes; dctx->buflen += bytes;
if (dctx->buflen == POLY1305_BLOCK_SIZE) { if (dctx->buflen == POLY1305_BLOCK_SIZE) {
poly1305_blocks(dctx, ctx, dctx->buf, poly1305_blocks(dctx, dctx->buf,
POLY1305_BLOCK_SIZE, 1 << 24); POLY1305_BLOCK_SIZE, 1 << 24);
dctx->buflen = 0; dctx->buflen = 0;
} }
} }
if (likely(srclen >= POLY1305_BLOCK_SIZE)) { if (likely(srclen >= POLY1305_BLOCK_SIZE)) {
bytes = poly1305_blocks(dctx, ctx, src, srclen, 1 << 24); bytes = poly1305_blocks(dctx, src, srclen, 1 << 24);
src += srclen - bytes; src += srclen - bytes;
srclen = bytes; srclen = bytes;
} }
@ -198,18 +218,20 @@ static int poly1305_update(struct shash_desc *desc,
static int poly1305_final(struct shash_desc *desc, u8 *dst) static int poly1305_final(struct shash_desc *desc, u8 *dst)
{ {
struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc); struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);
struct poly1305_ctx *ctx = crypto_shash_ctx(desc->tfm);
__le32 *mac = (__le32 *)dst; __le32 *mac = (__le32 *)dst;
u32 h0, h1, h2, h3, h4; u32 h0, h1, h2, h3, h4;
u32 g0, g1, g2, g3, g4; u32 g0, g1, g2, g3, g4;
u32 mask; u32 mask;
u64 f = 0; u64 f = 0;
if (unlikely(!dctx->sset))
return -ENOKEY;
if (unlikely(dctx->buflen)) { if (unlikely(dctx->buflen)) {
dctx->buf[dctx->buflen++] = 1; dctx->buf[dctx->buflen++] = 1;
memset(dctx->buf + dctx->buflen, 0, memset(dctx->buf + dctx->buflen, 0,
POLY1305_BLOCK_SIZE - dctx->buflen); POLY1305_BLOCK_SIZE - dctx->buflen);
poly1305_blocks(dctx, ctx, dctx->buf, POLY1305_BLOCK_SIZE, 0); poly1305_blocks(dctx, dctx->buf, POLY1305_BLOCK_SIZE, 0);
} }
/* fully carry h */ /* fully carry h */
@ -253,10 +275,10 @@ static int poly1305_final(struct shash_desc *desc, u8 *dst)
h3 = (h3 >> 18) | (h4 << 8); h3 = (h3 >> 18) | (h4 << 8);
/* mac = (h + s) % (2^128) */ /* mac = (h + s) % (2^128) */
f = (f >> 32) + h0 + ctx->s[0]; mac[0] = cpu_to_le32(f); f = (f >> 32) + h0 + dctx->s[0]; mac[0] = cpu_to_le32(f);
f = (f >> 32) + h1 + ctx->s[1]; mac[1] = cpu_to_le32(f); f = (f >> 32) + h1 + dctx->s[1]; mac[1] = cpu_to_le32(f);
f = (f >> 32) + h2 + ctx->s[2]; mac[2] = cpu_to_le32(f); f = (f >> 32) + h2 + dctx->s[2]; mac[2] = cpu_to_le32(f);
f = (f >> 32) + h3 + ctx->s[3]; mac[3] = cpu_to_le32(f); f = (f >> 32) + h3 + dctx->s[3]; mac[3] = cpu_to_le32(f);
return 0; return 0;
} }
@ -275,7 +297,6 @@ static struct shash_alg poly1305_alg = {
.cra_flags = CRYPTO_ALG_TYPE_SHASH, .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_alignmask = sizeof(u32) - 1, .cra_alignmask = sizeof(u32) - 1,
.cra_blocksize = POLY1305_BLOCK_SIZE, .cra_blocksize = POLY1305_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct poly1305_ctx),
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
}, },
}; };

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@ -3051,11 +3051,6 @@ static struct hash_testvec hmac_sha512_tv_template[] = {
static struct hash_testvec poly1305_tv_template[] = { static struct hash_testvec poly1305_tv_template[] = {
{ /* Test Vector #1 */ { /* Test Vector #1 */
.key = "\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",
.ksize = 32,
.plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00" .plaintext = "\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"
@ -3063,17 +3058,20 @@ static struct hash_testvec poly1305_tv_template[] = {
"\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"
"\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",
.psize = 64, .psize = 96,
.digest = "\x00\x00\x00\x00\x00\x00\x00\x00" .digest = "\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\x00",
}, { /* Test Vector #2 */ }, { /* Test Vector #2 */
.key = "\x00\x00\x00\x00\x00\x00\x00\x00" .plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00"
"\x36\xe5\xf6\xb5\xc5\xe0\x60\x70" "\x36\xe5\xf6\xb5\xc5\xe0\x60\x70"
"\xf0\xef\xca\x96\x22\x7a\x86\x3e", "\xf0\xef\xca\x96\x22\x7a\x86\x3e"
.ksize = 32, "\x41\x6e\x79\x20\x73\x75\x62\x6d"
.plaintext = "\x41\x6e\x79\x20\x73\x75\x62\x6d"
"\x69\x73\x73\x69\x6f\x6e\x20\x74" "\x69\x73\x73\x69\x6f\x6e\x20\x74"
"\x6f\x20\x74\x68\x65\x20\x49\x45" "\x6f\x20\x74\x68\x65\x20\x49\x45"
"\x54\x46\x20\x69\x6e\x74\x65\x6e" "\x54\x46\x20\x69\x6e\x74\x65\x6e"
@ -3120,16 +3118,15 @@ static struct hash_testvec poly1305_tv_template[] = {
"\x20\x77\x68\x69\x63\x68\x20\x61" "\x20\x77\x68\x69\x63\x68\x20\x61"
"\x72\x65\x20\x61\x64\x64\x72\x65" "\x72\x65\x20\x61\x64\x64\x72\x65"
"\x73\x73\x65\x64\x20\x74\x6f", "\x73\x73\x65\x64\x20\x74\x6f",
.psize = 375, .psize = 407,
.digest = "\x36\xe5\xf6\xb5\xc5\xe0\x60\x70" .digest = "\x36\xe5\xf6\xb5\xc5\xe0\x60\x70"
"\xf0\xef\xca\x96\x22\x7a\x86\x3e", "\xf0\xef\xca\x96\x22\x7a\x86\x3e",
}, { /* Test Vector #3 */ }, { /* Test Vector #3 */
.key = "\x36\xe5\xf6\xb5\xc5\xe0\x60\x70" .plaintext = "\x36\xe5\xf6\xb5\xc5\xe0\x60\x70"
"\xf0\xef\xca\x96\x22\x7a\x86\x3e" "\xf0\xef\xca\x96\x22\x7a\x86\x3e"
"\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"
.ksize = 32, "\x41\x6e\x79\x20\x73\x75\x62\x6d"
.plaintext = "\x41\x6e\x79\x20\x73\x75\x62\x6d"
"\x69\x73\x73\x69\x6f\x6e\x20\x74" "\x69\x73\x73\x69\x6f\x6e\x20\x74"
"\x6f\x20\x74\x68\x65\x20\x49\x45" "\x6f\x20\x74\x68\x65\x20\x49\x45"
"\x54\x46\x20\x69\x6e\x74\x65\x6e" "\x54\x46\x20\x69\x6e\x74\x65\x6e"
@ -3176,16 +3173,15 @@ static struct hash_testvec poly1305_tv_template[] = {
"\x20\x77\x68\x69\x63\x68\x20\x61" "\x20\x77\x68\x69\x63\x68\x20\x61"
"\x72\x65\x20\x61\x64\x64\x72\x65" "\x72\x65\x20\x61\x64\x64\x72\x65"
"\x73\x73\x65\x64\x20\x74\x6f", "\x73\x73\x65\x64\x20\x74\x6f",
.psize = 375, .psize = 407,
.digest = "\xf3\x47\x7e\x7c\xd9\x54\x17\xaf" .digest = "\xf3\x47\x7e\x7c\xd9\x54\x17\xaf"
"\x89\xa6\xb8\x79\x4c\x31\x0c\xf0", "\x89\xa6\xb8\x79\x4c\x31\x0c\xf0",
}, { /* Test Vector #4 */ }, { /* Test Vector #4 */
.key = "\x1c\x92\x40\xa5\xeb\x55\xd3\x8a" .plaintext = "\x1c\x92\x40\xa5\xeb\x55\xd3\x8a"
"\xf3\x33\x88\x86\x04\xf6\xb5\xf0" "\xf3\x33\x88\x86\x04\xf6\xb5\xf0"
"\x47\x39\x17\xc1\x40\x2b\x80\x09" "\x47\x39\x17\xc1\x40\x2b\x80\x09"
"\x9d\xca\x5c\xbc\x20\x70\x75\xc0", "\x9d\xca\x5c\xbc\x20\x70\x75\xc0"
.ksize = 32, "\x27\x54\x77\x61\x73\x20\x62\x72"
.plaintext = "\x27\x54\x77\x61\x73\x20\x62\x72"
"\x69\x6c\x6c\x69\x67\x2c\x20\x61" "\x69\x6c\x6c\x69\x67\x2c\x20\x61"
"\x6e\x64\x20\x74\x68\x65\x20\x73" "\x6e\x64\x20\x74\x68\x65\x20\x73"
"\x6c\x69\x74\x68\x79\x20\x74\x6f" "\x6c\x69\x74\x68\x79\x20\x74\x6f"
@ -3201,79 +3197,73 @@ static struct hash_testvec poly1305_tv_template[] = {
"\x68\x65\x20\x6d\x6f\x6d\x65\x20" "\x68\x65\x20\x6d\x6f\x6d\x65\x20"
"\x72\x61\x74\x68\x73\x20\x6f\x75" "\x72\x61\x74\x68\x73\x20\x6f\x75"
"\x74\x67\x72\x61\x62\x65\x2e", "\x74\x67\x72\x61\x62\x65\x2e",
.psize = 127, .psize = 159,
.digest = "\x45\x41\x66\x9a\x7e\xaa\xee\x61" .digest = "\x45\x41\x66\x9a\x7e\xaa\xee\x61"
"\xe7\x08\xdc\x7c\xbc\xc5\xeb\x62", "\xe7\x08\xdc\x7c\xbc\xc5\xeb\x62",
}, { /* Test Vector #5 */ }, { /* Test Vector #5 */
.key = "\x02\x00\x00\x00\x00\x00\x00\x00" .plaintext = "\x02\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",
.ksize = 32,
.plaintext = "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff",
.psize = 16,
.digest = "\x03\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00",
}, { /* Test Vector #6 */
.key = "\x02\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00"
"\xff\xff\xff\xff\xff\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff", "\xff\xff\xff\xff\xff\xff\xff\xff",
.ksize = 32, .psize = 48,
.plaintext = "\x02\x00\x00\x00\x00\x00\x00\x00" .digest = "\x03\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\x00",
.psize = 16, }, { /* Test Vector #6 */
.plaintext = "\x02\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00"
"\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff"
"\x02\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00",
.psize = 48,
.digest = "\x03\x00\x00\x00\x00\x00\x00\x00" .digest = "\x03\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\x00",
}, { /* Test Vector #7 */ }, { /* Test Vector #7 */
.key = "\x01\x00\x00\x00\x00\x00\x00\x00" .plaintext = "\x01\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\x00\x00\x00\x00\x00\x00\x00"
.ksize = 32, "\xff\xff\xff\xff\xff\xff\xff\xff"
.plaintext = "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xf0\xff\xff\xff\xff\xff\xff\xff" "\xf0\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff"
"\x11\x00\x00\x00\x00\x00\x00\x00" "\x11\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\x00",
.psize = 48, .psize = 80,
.digest = "\x05\x00\x00\x00\x00\x00\x00\x00" .digest = "\x05\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\x00",
}, { /* Test Vector #8 */ }, { /* Test Vector #8 */
.key = "\x01\x00\x00\x00\x00\x00\x00\x00" .plaintext = "\x01\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\x00\x00\x00\x00\x00\x00\x00"
.ksize = 32, "\xff\xff\xff\xff\xff\xff\xff\xff"
.plaintext = "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff"
"\xfb\xfe\xfe\xfe\xfe\xfe\xfe\xfe" "\xfb\xfe\xfe\xfe\xfe\xfe\xfe\xfe"
"\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfe" "\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfe"
"\x01\x01\x01\x01\x01\x01\x01\x01" "\x01\x01\x01\x01\x01\x01\x01\x01"
"\x01\x01\x01\x01\x01\x01\x01\x01", "\x01\x01\x01\x01\x01\x01\x01\x01",
.psize = 48, .psize = 80,
.digest = "\x00\x00\x00\x00\x00\x00\x00\x00" .digest = "\x00\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\x00",
}, { /* Test Vector #9 */ }, { /* Test Vector #9 */
.key = "\x02\x00\x00\x00\x00\x00\x00\x00" .plaintext = "\x02\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\x00\x00\x00\x00\x00\x00\x00"
.ksize = 32, "\xfd\xff\xff\xff\xff\xff\xff\xff"
.plaintext = "\xfd\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff", "\xff\xff\xff\xff\xff\xff\xff\xff",
.psize = 16, .psize = 48,
.digest = "\xfa\xff\xff\xff\xff\xff\xff\xff" .digest = "\xfa\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff", "\xff\xff\xff\xff\xff\xff\xff\xff",
}, { /* Test Vector #10 */ }, { /* Test Vector #10 */
.key = "\x01\x00\x00\x00\x00\x00\x00\x00" .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00"
"\x04\x00\x00\x00\x00\x00\x00\x00" "\x04\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"
.ksize = 32, "\xe3\x35\x94\xd7\x50\x5e\x43\xb9"
.plaintext = "\xe3\x35\x94\xd7\x50\x5e\x43\xb9"
"\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00"
"\x33\x94\xd7\x50\x5e\x43\x79\xcd" "\x33\x94\xd7\x50\x5e\x43\x79\xcd"
"\x01\x00\x00\x00\x00\x00\x00\x00" "\x01\x00\x00\x00\x00\x00\x00\x00"
@ -3281,22 +3271,21 @@ static struct hash_testvec poly1305_tv_template[] = {
"\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00"
"\x01\x00\x00\x00\x00\x00\x00\x00" "\x01\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\x00",
.psize = 64, .psize = 96,
.digest = "\x14\x00\x00\x00\x00\x00\x00\x00" .digest = "\x14\x00\x00\x00\x00\x00\x00\x00"
"\x55\x00\x00\x00\x00\x00\x00\x00", "\x55\x00\x00\x00\x00\x00\x00\x00",
}, { /* Test Vector #11 */ }, { /* Test Vector #11 */
.key = "\x01\x00\x00\x00\x00\x00\x00\x00" .plaintext = "\x01\x00\x00\x00\x00\x00\x00\x00"
"\x04\x00\x00\x00\x00\x00\x00\x00" "\x04\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"
.ksize = 32, "\xe3\x35\x94\xd7\x50\x5e\x43\xb9"
.plaintext = "\xe3\x35\x94\xd7\x50\x5e\x43\xb9"
"\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00"
"\x33\x94\xd7\x50\x5e\x43\x79\xcd" "\x33\x94\xd7\x50\x5e\x43\x79\xcd"
"\x01\x00\x00\x00\x00\x00\x00\x00" "\x01\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",
.psize = 48, .psize = 80,
.digest = "\x13\x00\x00\x00\x00\x00\x00\x00" .digest = "\x13\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\x00",
}, },