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fixup! Initial ASCON hash256 and AEAD128 support based on NIST SP 800-232 ipd

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This commit is contained in:
Juliusz Sosinowicz
2025-01-29 12:21:28 +01:00
parent b0ab7f0d26
commit cd047a35f2
1 changed files with 4 additions and 4 deletions
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8
wolfcrypt/src/ascon.c
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@ -386,7 +386,7 @@ int wc_AsconAEAD128_EncryptUpdate(wc_AsconAEAD128* a, byte* out,
else if (a->op != ASCON_AEAD128_ENCRYPT) else if (a->op != ASCON_AEAD128_ENCRYPT)
return BAD_STATE_E; return BAD_STATE_E;
/* Process leftover block */ /* Process leftover from last block */
if (a->lastBlkSz != 0) { if (a->lastBlkSz != 0) {
word32 toProcess = min(ASCON_AEAD128_RATE - a->lastBlkSz, inSz); word32 toProcess = min(ASCON_AEAD128_RATE - a->lastBlkSz, inSz);
xorbuf(&a->state.s8[a->lastBlkSz], in, toProcess); xorbuf(&a->state.s8[a->lastBlkSz], in, toProcess);
@ -411,7 +411,7 @@ int wc_AsconAEAD128_EncryptUpdate(wc_AsconAEAD128* a, byte* out,
out += ASCON_AEAD128_RATE; out += ASCON_AEAD128_RATE;
inSz -= ASCON_AEAD128_RATE; inSz -= ASCON_AEAD128_RATE;
} }
/* Store leftover */
xorbuf(a->state.s64, in, inSz); xorbuf(a->state.s64, in, inSz);
XMEMCPY(out, a->state.s64, inSz); XMEMCPY(out, a->state.s64, inSz);
a->lastBlkSz = inSz; a->lastBlkSz = inSz;
@ -430,7 +430,7 @@ int wc_AsconAEAD128_EncryptFinal(wc_AsconAEAD128* a, byte* tag)
if (a->op != ASCON_AEAD128_ENCRYPT) if (a->op != ASCON_AEAD128_ENCRYPT)
return BAD_STATE_E; return BAD_STATE_E;
/* Pad last block */ /* Process leftover from last block */
a->state.s8[a->lastBlkSz] ^= 1; a->state.s8[a->lastBlkSz] ^= 1;
a->state.s64[2] ^= a->key[0]; a->state.s64[2] ^= a->key[0];
@ -487,7 +487,7 @@ int wc_AsconAEAD128_DecryptUpdate(wc_AsconAEAD128* a, byte* out,
out += ASCON_AEAD128_RATE; out += ASCON_AEAD128_RATE;
inSz -= ASCON_AEAD128_RATE; inSz -= ASCON_AEAD128_RATE;
} }
/* Store leftover */
xorbufout(out, a->state.s64, in, inSz); xorbufout(out, a->state.s64, in, inSz);
XMEMCPY(a->state.s64, in, inSz); XMEMCPY(a->state.s64, in, inSz);
a->lastBlkSz = inSz; a->lastBlkSz = inSz;