status-im/c-kzg-4844
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Statically allocate hash_output

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Ramana Kumar 2022-11-25 22:07:34 +00:00
parent ad31161515
commit 73d5d2fb0b
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GPG Key ID: ED471C788B900433
1 changed files with 1 additions and 3 deletions
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src/c_kzg_4844.c
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@ -1112,8 +1112,7 @@ static C_KZG_RET compute_challenges(BLSFieldElement *out, BLSFieldElement r_powe
for (i = 0; i < n; i++) for (i = 0; i < n; i++)
bytes_from_g1(&bytes[np + i * 48], &comms[i]); bytes_from_g1(&bytes[np + i * 48], &comms[i]);
uint8_t* hash_output = calloc(32, sizeof(uint8_t)); uint8_t hash_output[32] = {0};
if (hash_output == NULL) { free(bytes); return C_KZG_MALLOC; }
hash(hash_output, bytes, nb); hash(hash_output, bytes, nb);
memcpy(bytes, hash_output, 32); memcpy(bytes, hash_output, 32);
bytes[32] = 0x0; bytes[32] = 0x0;
@ -1128,7 +1127,6 @@ static C_KZG_RET compute_challenges(BLSFieldElement *out, BLSFieldElement r_powe
hash(hash_output, bytes, 33); hash(hash_output, bytes, 33);
bytes_to_bls_field(out, hash_output); bytes_to_bls_field(out, hash_output);
free(hash_output);
free(bytes); free(bytes);
return C_KZG_OK; return C_KZG_OK;
} }