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Add sha256_hmac_init_global_utf16le_swap() for later use

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This commit is contained in:
Jens Steube 2025-05-12 11:22:16 +02:00
parent 71147249d5
commit bac6243533
2 changed files with 147 additions and 0 deletions
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146
OpenCL/inc_hash_sha256.cl
View File

@ -1245,6 +1245,152 @@ DECLSPEC void sha256_hmac_init_global_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, G
sha256_hmac_init_64 (ctx, w0, w1, w2, w3); sha256_hmac_init_64 (ctx, w0, w1, w2, w3);
} }
DECLSPEC void sha256_hmac_init_global_utf16le_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len)
{
if (hc_enc_scan_global (w, len))
{
hc_enc_t hc_enc;
hc_enc_init (&hc_enc);
while (hc_enc_has_next (&hc_enc, len))
{
// forced full decode in one round
u32 enc_buf[256];
const int enc_len = hc_enc_next_global (&hc_enc, w, len, 256, enc_buf, sizeof (enc_buf));
if (enc_len == -1)
{
//hmac doesn't have password length
//ctx->len = -1;
return;
}
if (enc_len > 64)
{
sha256_ctx_t tmp;
sha256_init (&tmp);
sha256_update_utf16le_swap (&tmp, enc_buf, enc_len);
sha256_final (&tmp);
enc_buf[ 0] = tmp.h[0];
enc_buf[ 1] = tmp.h[1];
enc_buf[ 2] = tmp.h[2];
enc_buf[ 3] = tmp.h[3];
enc_buf[ 4] = tmp.h[4];
enc_buf[ 5] = tmp.h[5];
enc_buf[ 6] = tmp.h[6];
enc_buf[ 7] = tmp.h[7];
enc_buf[ 8] = 0;
enc_buf[ 9] = 0;
enc_buf[10] = 0;
enc_buf[11] = 0;
enc_buf[12] = 0;
enc_buf[13] = 0;
enc_buf[14] = 0;
enc_buf[15] = 0;
}
else
{
enc_buf[ 0] = hc_swap32_S (enc_buf[ 0]);
enc_buf[ 1] = hc_swap32_S (enc_buf[ 1]);
enc_buf[ 2] = hc_swap32_S (enc_buf[ 2]);
enc_buf[ 3] = hc_swap32_S (enc_buf[ 3]);
enc_buf[ 4] = hc_swap32_S (enc_buf[ 4]);
enc_buf[ 5] = hc_swap32_S (enc_buf[ 5]);
enc_buf[ 6] = hc_swap32_S (enc_buf[ 6]);
enc_buf[ 7] = hc_swap32_S (enc_buf[ 7]);
enc_buf[ 8] = hc_swap32_S (enc_buf[ 8]);
enc_buf[ 9] = hc_swap32_S (enc_buf[ 9]);
enc_buf[10] = hc_swap32_S (enc_buf[10]);
enc_buf[11] = hc_swap32_S (enc_buf[11]);
enc_buf[12] = hc_swap32_S (enc_buf[12]);
enc_buf[13] = hc_swap32_S (enc_buf[13]);
enc_buf[14] = hc_swap32_S (enc_buf[14]);
enc_buf[15] = hc_swap32_S (enc_buf[15]);
}
sha256_hmac_init_64 (ctx, enc_buf + 0, enc_buf + 4, enc_buf + 8, enc_buf + 12);
}
return;
}
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
const int len_new = len * 2;
if (len_new > 64)
{
sha256_ctx_t tmp;
sha256_init (&tmp);
sha256_update_global_utf16le_swap (&tmp, w, len);
sha256_final (&tmp);
w0[0] = tmp.h[0];
w0[1] = tmp.h[1];
w0[2] = tmp.h[2];
w0[3] = tmp.h[3];
w1[0] = tmp.h[4];
w1[1] = tmp.h[5];
w1[2] = tmp.h[6];
w1[3] = tmp.h[7];
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
}
else
{
w0[0] = w[0];
w0[1] = w[1];
w0[2] = w[2];
w0[3] = w[3];
w1[0] = w[4];
w1[1] = w[5];
w1[2] = w[6];
w1[3] = w[7];
make_utf16le_S (w1, w2, w3);
make_utf16le_S (w0, w0, w1);
w0[0] = hc_swap32_S (w0[0]);
w0[1] = hc_swap32_S (w0[1]);
w0[2] = hc_swap32_S (w0[2]);
w0[3] = hc_swap32_S (w0[3]);
w1[0] = hc_swap32_S (w1[0]);
w1[1] = hc_swap32_S (w1[1]);
w1[2] = hc_swap32_S (w1[2]);
w1[3] = hc_swap32_S (w1[3]);
w2[0] = hc_swap32_S (w2[0]);
w2[1] = hc_swap32_S (w2[1]);
w2[2] = hc_swap32_S (w2[2]);
w2[3] = hc_swap32_S (w2[3]);
w3[0] = hc_swap32_S (w3[0]);
w3[1] = hc_swap32_S (w3[1]);
w3[2] = hc_swap32_S (w3[2]);
w3[3] = hc_swap32_S (w3[3]);
}
sha256_hmac_init_64 (ctx, w0, w1, w2, w3);
}
DECLSPEC void sha256_hmac_update_64 (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS u32 *w0, PRIVATE_AS u32 *w1, PRIVATE_AS u32 *w2, PRIVATE_AS u32 *w3, const int len) DECLSPEC void sha256_hmac_update_64 (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS u32 *w0, PRIVATE_AS u32 *w1, PRIVATE_AS u32 *w2, PRIVATE_AS u32 *w3, const int len)
{ {
sha256_update_64 (&ctx->ipad, w0, w1, w2, w3, len); sha256_update_64 (&ctx->ipad, w0, w1, w2, w3, len);

1
OpenCL/inc_hash_sha256.h
View File

@ -106,6 +106,7 @@ DECLSPEC void sha256_hmac_init (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS co
DECLSPEC void sha256_hmac_init_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS const u32 *w, const int len); DECLSPEC void sha256_hmac_init_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS const u32 *w, const int len);
DECLSPEC void sha256_hmac_init_global (PRIVATE_AS sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len); DECLSPEC void sha256_hmac_init_global (PRIVATE_AS sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
DECLSPEC void sha256_hmac_init_global_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len); DECLSPEC void sha256_hmac_init_global_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
DECLSPEC void sha256_hmac_init_global_utf16le_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, GLOBAL_AS const u32 *w, const int len);
DECLSPEC void sha256_hmac_update_64 (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS u32 *w0, PRIVATE_AS u32 *w1, PRIVATE_AS u32 *w2, PRIVATE_AS u32 *w3, const int len); DECLSPEC void sha256_hmac_update_64 (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS u32 *w0, PRIVATE_AS u32 *w1, PRIVATE_AS u32 *w2, PRIVATE_AS u32 *w3, const int len);
DECLSPEC void sha256_hmac_update (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS const u32 *w, const int len); DECLSPEC void sha256_hmac_update (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS const u32 *w, const int len);
DECLSPEC void sha256_hmac_update_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS const u32 *w, const int len); DECLSPEC void sha256_hmac_update_swap (PRIVATE_AS sha256_hmac_ctx_t *ctx, PRIVATE_AS const u32 *w, const int len);