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Rename the state block buffers from m{,len} to b{,len}

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This commit is contained in:
Lucas Gabriel Vuotto 2024-06-15 21:22:12 +00:00
parent 230dedac16
commit 21251045f4
11 changed files with 83 additions and 83 deletions
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26
auth_poly1305.c
View File

@ -58,9 +58,9 @@ poly1305_init(void *arg, void *initparams)
state->s2 = load32le(&params->key[24]);
state->s3 = load32le(&params->key[28]);
state->mlen = 0;
state->blen = 0;
for (i = 0; i < LC_POLY1305_BLOCKLEN; i++)
state->m[i] = 0;
state->b[i] = 0;
return 1;
}
@ -71,15 +71,15 @@ poly1305_update(void *arg, const uint8_t *in, size_t inlen)
struct poly1305_state *state = arg;
size_t i;
for (i = 0; i + state->mlen < LC_POLY1305_BLOCKLEN && i < inlen; i++)
state->m[i + state->mlen] = in[i];
state->mlen += i;
for (i = 0; i + state->blen < LC_POLY1305_BLOCKLEN && i < inlen; i++)
state->b[i + state->blen] = in[i];
state->blen += i;
in += i;
inlen -= i;
if (state->mlen == LC_POLY1305_BLOCKLEN) {
if (state->blen == LC_POLY1305_BLOCKLEN) {
poly1305_block(state, 1);
state->mlen = 0;
state->blen = 0;
}
if (inlen == 0)
@ -87,7 +87,7 @@ poly1305_update(void *arg, const uint8_t *in, size_t inlen)
while (inlen >= LC_POLY1305_BLOCKLEN) {
for (i = 0; i < LC_POLY1305_BLOCKLEN; i++)
state->m[i] = in[i];
state->b[i] = in[i];
poly1305_block(state, 1);
in += LC_POLY1305_BLOCKLEN;
@ -95,8 +95,8 @@ poly1305_update(void *arg, const uint8_t *in, size_t inlen)
}
for (i = 0; i < inlen; i++)
state->m[i] = in[i];
state->mlen = inlen;
state->b[i] = in[i];
state->blen = inlen;
return 1;
}
@ -112,12 +112,12 @@ poly1305_final(void *arg, uint8_t *out, size_t *outlen)
if (out == NULL)
return 1;
i = state->mlen;
i = state->blen;
if (i > 0) {
if (i < LC_POLY1305_BLOCKLEN) {
state->m[i++] = 1;
state->b[i++] = 1;
for (; i < LC_POLY1305_BLOCKLEN; i++)
state->m[i] = 0;
state->b[i] = 0;
poly1305_block(state, 0);
} else
poly1305_block(state, 1);

42
cipher_chacha20.c
View File

@ -44,7 +44,7 @@ chacha20_anycrypt_init(void *arg, void *initparams)
state->n[0] = params->counter;
for (i = 1; i < CHACHA20_NONCE_WORDS; i++)
state->n[i] = load32le(&params->nonce[(i - 1) * 4]);
state->mlen = 0;
state->blen = 0;
return 1;
}
@ -62,7 +62,7 @@ xchacha20_anycrypt_init(void *arg, void *initparams)
state->k[i] = load32le(&params->key[i * 4]);
for (i = 0; i < CHACHA20_NONCE_WORDS; i++)
state->n[i] = load32le(&params->nonce[i * 4]);
state->mlen = 0;
state->blen = 0;
hchacha20_block(state);
@ -91,35 +91,35 @@ chacha20_anycrypt_update(void *arg, uint8_t *out, size_t *outlen,
uint32_t h;
*outlen = 0;
if (inlen > SIZE_MAX - (LC_CHACHA20_BLOCKLEN - 1) - state->mlen)
if (inlen > SIZE_MAX - (LC_CHACHA20_BLOCKLEN - 1) - state->blen)
return 0;
blocks = (inlen + state->mlen + LC_CHACHA20_BLOCKLEN - 1) /
blocks = (inlen + state->blen + LC_CHACHA20_BLOCKLEN - 1) /
LC_CHACHA20_BLOCKLEN;
if (blocks + state->n[0] > CHACHA20_CTRMAX)
return 0;
*outlen = state->mlen + inlen -
((state->mlen + inlen) % LC_CHACHA20_BLOCKLEN);
*outlen = state->blen + inlen -
((state->blen + inlen) % LC_CHACHA20_BLOCKLEN);
if (out == NULL)
return 1;
for (i = 0; i + state->mlen < LC_CHACHA20_BLOCKLEN && i < inlen; i++)
state->m[i + state->mlen] = in[i];
state->mlen += i;
for (i = 0; i + state->blen < LC_CHACHA20_BLOCKLEN && i < inlen; i++)
state->b[i + state->blen] = in[i];
state->blen += i;
in += i;
inlen -= i;
if (state->mlen == LC_CHACHA20_BLOCKLEN) {
if (state->blen == LC_CHACHA20_BLOCKLEN) {
chacha20_block(state);
state->n[0]++;
for (i = 0; i < CHACHA20_BLOCKLEN_WORDS; i++) {
h = load32le(&state->m[i * 4]);
h = load32le(&state->b[i * 4]);
h ^= state->s[i];
store32le(&out[i * 4], h);
}
out += LC_CHACHA20_BLOCKLEN;
state->mlen = 0;
state->blen = 0;
}
if (inlen == 0)
@ -140,8 +140,8 @@ chacha20_anycrypt_update(void *arg, uint8_t *out, size_t *outlen,
}
for (i = 0; i < inlen; i++)
state->m[i] = in[i];
state->mlen = inlen;
state->b[i] = in[i];
state->blen = inlen;
return 1;
}
@ -154,25 +154,25 @@ chacha20_anycrypt_final(void *arg, uint8_t *out, size_t *outlen)
uint32_t h;
uint8_t s[4];
*outlen = state->mlen;
*outlen = state->blen;
if (out == NULL)
return 1;
if (state->mlen > 0)
if (state->blen > 0)
chacha20_block(state);
for (i = 0; i < state->mlen / 4; i++) {
h = load32le(&state->m[i * 4]);
for (i = 0; i < state->blen / 4; i++) {
h = load32le(&state->b[i * 4]);
h ^= state->s[i];
store32le(&out[i * 4], h);
}
off = i * 4;
state->mlen -= off;
state->blen -= off;
out += off;
store32le(&s[0], state->s[i]);
for (i = 0; i < state->mlen; i++)
out[i] = state->m[i + off] ^ s[i];
for (i = 0; i < state->blen; i++)
out[i] = state->b[i + off] ^ s[i];
lc_scrub(state, sizeof(*state));

34
hash_sha224_sha256.c
View File

@ -70,9 +70,9 @@ sha224_init(void *arg)
state->sz = 0;
state->mlen = 0;
state->blen = 0;
for (i = 0; i < LC_SHA256_BLOCKLEN; i++)
state->m[i] = 0;
state->b[i] = 0;
return 1;
}
@ -94,9 +94,9 @@ sha256_init(void *arg)
state->sz = 0;
state->mlen = 0;
state->blen = 0;
for (i = 0; i < LC_SHA256_BLOCKLEN; i++)
state->m[i] = 0;
state->b[i] = 0;
return 1;
}
@ -111,15 +111,15 @@ sha224_sha256_update(void *arg, const uint8_t *in, size_t inlen)
return 0;
state->sz += inlen;
for (i = 0; i + state->mlen < LC_SHA256_BLOCKLEN && i < inlen; i++)
state->m[i + state->mlen] = in[i];
state->mlen += i;
for (i = 0; i + state->blen < LC_SHA256_BLOCKLEN && i < inlen; i++)
state->b[i + state->blen] = in[i];
state->blen += i;
in += i;
inlen -= i;
if (state->mlen == LC_SHA256_BLOCKLEN) {
if (state->blen == LC_SHA256_BLOCKLEN) {
sha256_block(state);
state->mlen = 0;
state->blen = 0;
}
if (inlen == 0)
@ -127,7 +127,7 @@ sha224_sha256_update(void *arg, const uint8_t *in, size_t inlen)
while (inlen >= LC_SHA256_BLOCKLEN) {
for (i = 0; i < LC_SHA256_BLOCKLEN; i++)
state->m[i] = in[i];
state->b[i] = in[i];
in += i;
inlen -= i;
@ -135,8 +135,8 @@ sha224_sha256_update(void *arg, const uint8_t *in, size_t inlen)
}
for (i = 0; i < inlen; i++)
state->m[i] = in[i];
state->mlen = inlen;
state->b[i] = in[i];
state->blen = inlen;
return 1;
}
@ -158,19 +158,19 @@ sha224_sha256_final(struct sha256_state *state)
{
size_t i, mlen;
mlen = state->mlen;
state->m[mlen++] = 0x80;
mlen = state->blen;
state->b[mlen++] = 0x80;
if (mlen >= LC_SHA256_BLOCKLEN - sizeof(uint64_t)) {
for (i = mlen; i < LC_SHA256_BLOCKLEN; i++)
state->m[i] = 0;
state->b[i] = 0;
sha256_block(state);
mlen = 0;
}
for (i = mlen; i < LC_SHA256_BLOCKLEN - sizeof(uint64_t); i++)
state->m[i] = 0;
store64be(&state->m[i], state->sz << 3);
state->b[i] = 0;
store64be(&state->b[i], state->sz << 3);
sha256_block(state);
}

36
hash_sha384_sha512.c
View File

@ -71,9 +71,9 @@ sha384_init(void *arg)
state->szhi = state->szlo = 0;
state->mlen = 0;
state->blen = 0;
for (i = 0; i < LC_SHA512_BLOCKLEN; i++)
state->m[i] = 0;
state->b[i] = 0;
return 1;
}
@ -95,9 +95,9 @@ sha512_init(void *arg)
state->szhi = state->szlo = 0;
state->mlen = 0;
state->blen = 0;
for (i = 0; i < LC_SHA512_BLOCKLEN; i++)
state->m[i] = 0;
state->b[i] = 0;
return 1;
}
@ -116,15 +116,15 @@ sha384_sha512_update(void *arg, const uint8_t *in, size_t inlen)
} else
state->szlo += inlen;
for (i = 0; i + state->mlen < LC_SHA512_BLOCKLEN && i < inlen; i++)
state->m[i + state->mlen] = in[i];
state->mlen += i;
for (i = 0; i + state->blen < LC_SHA512_BLOCKLEN && i < inlen; i++)
state->b[i + state->blen] = in[i];
state->blen += i;
in += i;
inlen -= i;
if (state->mlen == LC_SHA512_BLOCKLEN) {
if (state->blen == LC_SHA512_BLOCKLEN) {
sha512_block(state);
state->mlen = 0;
state->blen = 0;
}
if (inlen == 0)
@ -132,7 +132,7 @@ sha384_sha512_update(void *arg, const uint8_t *in, size_t inlen)
while (inlen >= LC_SHA512_BLOCKLEN) {
for (i = 0; i < LC_SHA512_BLOCKLEN; i++)
state->m[i] = in[i];
state->b[i] = in[i];
in += i;
inlen -= i;
@ -140,8 +140,8 @@ sha384_sha512_update(void *arg, const uint8_t *in, size_t inlen)
}
for (i = 0; i < inlen; i++)
state->m[i] = in[i];
state->mlen = inlen;
state->b[i] = in[i];
state->blen = inlen;
return 1;
}
@ -163,20 +163,20 @@ sha384_sha512_final(struct sha512_state *state)
{
size_t i, mlen;
mlen = state->mlen;
state->m[mlen++] = 0x80;
mlen = state->blen;
state->b[mlen++] = 0x80;
if (mlen >= LC_SHA512_BLOCKLEN - 2 * sizeof(uint64_t)) {
for (i = mlen; i < LC_SHA512_BLOCKLEN; i++)
state->m[i] = 0;
state->b[i] = 0;
sha512_block(state);
mlen = 0;
}
for (i = mlen; i < LC_SHA512_BLOCKLEN - 2 * sizeof(uint64_t); i++)
state->m[i] = 0;
store64be(&state->m[i], (state->szhi << 3) | (state->szlo >> 63));
store64be(&state->m[i + sizeof(uint64_t)], state->szlo << 3);
state->b[i] = 0;
store64be(&state->b[i], (state->szhi << 3) | (state->szlo >> 63));
store64be(&state->b[i + sizeof(uint64_t)], state->szlo << 3);
sha512_block(state);
}

4
impl_chacha20.h
View File

@ -28,8 +28,8 @@ struct chacha20_state {
uint32_t s[CHACHA20_BLOCKLEN_WORDS];
uint32_t k[CHACHA20_KEY_WORDS];
uint32_t n[CHACHA20_NONCE_WORDS];
size_t mlen;
uint8_t m[LC_CHACHA20_BLOCKLEN];
size_t blen;
uint8_t b[LC_CHACHA20_BLOCKLEN];
};

8
impl_poly1305.c
View File

@ -167,10 +167,10 @@ poly1305_block(struct poly1305_state *state, uint32_t hibit)
x3 = state->x3;
x4 = state->x4;
t0 = load32le(&state->m[0]);
t1 = load32le(&state->m[4]);
t2 = load32le(&state->m[8]);
t3 = load32le(&state->m[12]);
t0 = load32le(&state->b[0]);
t1 = load32le(&state->b[4]);
t2 = load32le(&state->b[8]);
t3 = load32le(&state->b[12]);
t4 = hibit;
h0 += t0 & 0x3ffffff;

4
impl_poly1305.h
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@ -25,8 +25,8 @@ struct poly1305_state {
uint32_t r0, r1, r2, r3, r4;
uint32_t x1, x2, x3, x4;
uint32_t s0, s1, s2, s3;
size_t mlen;
uint8_t m[LC_POLY1305_BLOCKLEN];
size_t blen;
uint8_t b[LC_POLY1305_BLOCKLEN];
};

2
impl_sha256.c
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@ -55,7 +55,7 @@ sha256_block(struct sha256_state *state)
size_t i;
for (i = 0; i < SHA256_BLOCKLEN_WORDS; i++)
W[i] = m[i] = load32be(&state->m[i * 4]);
W[i] = m[i] = load32be(&state->b[i * 4]);
for (; i < SHA256_ROUNDS; i++)
W[i] = SSIG1(W[i - 2]) + W[i - 7] + SSIG0(W[i - 15]) +
W[i - 16];

4
impl_sha256.h
View File

@ -24,8 +24,8 @@
struct sha256_state {
uint32_t h0, h1, h2, h3, h4, h5, h6, h7;
uint64_t sz;
size_t mlen;
uint8_t m[LC_SHA256_BLOCKLEN];
size_t blen;
uint8_t b[LC_SHA256_BLOCKLEN];
};

2
impl_sha512.c
View File

@ -79,7 +79,7 @@ sha512_block(struct sha512_state *state)
size_t i;
for (i = 0; i < SHA512_BLOCKLEN_WORDS; i++)
W[i] = m[i] = load64be(&state->m[i * 8]);
W[i] = m[i] = load64be(&state->b[i * 8]);
for (; i < SHA512_ROUNDS; i++)
W[i] = SSIG1(W[i - 2]) + W[i - 7] + SSIG0(W[i - 15]) +
W[i - 16];

4
impl_sha512.h
View File

@ -24,8 +24,8 @@
struct sha512_state {
uint64_t h0, h1, h2, h3, h4, h5, h6, h7;
uint64_t szhi, szlo;
size_t mlen;
uint8_t m[LC_SHA512_BLOCKLEN];
size_t blen;
uint8_t b[LC_SHA512_BLOCKLEN];
};