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Merge pull request #5425 from SparkiDev/ecc_sp_uncomp_ret

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ECC SP uncompress: use error return
This commit is contained in:
David Garske
2022-08-22 09:00:52 -07:00
committed by GitHub
parent 0dbd0ffb4e c7d28e3bb9
commit 689d45eb59
1 changed files with 11 additions and 9 deletions
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20
wolfcrypt/src/ecc.c
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@ -8288,21 +8288,21 @@ int wc_ecc_import_point_der_ex(const byte* in, word32 inLen,
#ifndef WOLFSSL_SP_NO_256
if (curve_idx != ECC_CUSTOM_IDX &&
ecc_sets[curve_idx].id == ECC_SECP256R1) {
sp_ecc_uncompress_256(point->x, pointType, point->y);
err = sp_ecc_uncompress_256(point->x, pointType, point->y);
}
else
#endif
#ifdef WOLFSSL_SP_384
if (curve_idx != ECC_CUSTOM_IDX &&
ecc_sets[curve_idx].id == ECC_SECP384R1) {
sp_ecc_uncompress_384(point->x, pointType, point->y);
err = sp_ecc_uncompress_384(point->x, pointType, point->y);
}
else
#endif
#ifdef WOLFSSL_SP_521
if (curve_idx != ECC_CUSTOM_IDX &&
ecc_sets[curve_idx].id == ECC_SECP521R1) {
sp_ecc_uncompress_521(point->x, pointType, point->y);
err = sp_ecc_uncompress_521(point->x, pointType, point->y);
}
else
#endif
@ -8424,7 +8424,7 @@ int wc_ecc_import_point_der_ex(const byte* in, word32 inLen,
if (compressed == 0)
#endif
err = mp_read_unsigned_bin(point->y, in + keysize, keysize);
}
}
if (err == MP_OKAY)
err = mp_set(point->z, 1);
@ -9601,19 +9601,22 @@ int wc_ecc_import_x963_ex(const byte* in, word32 inLen, ecc_key* key,
#else
#ifndef WOLFSSL_SP_NO_256
if (key->dp->id == ECC_SECP256R1) {
sp_ecc_uncompress_256(key->pubkey.x, pointType, key->pubkey.y);
err = sp_ecc_uncompress_256(key->pubkey.x, pointType,
key->pubkey.y);
}
else
#endif
#ifdef WOLFSSL_SP_384
if (key->dp->id == ECC_SECP384R1) {
sp_ecc_uncompress_384(key->pubkey.x, pointType, key->pubkey.y);
err = sp_ecc_uncompress_384(key->pubkey.x, pointType,
key->pubkey.y);
}
else
#endif
#ifdef WOLFSSL_SP_521
if (key->dp->id == ECC_SECP521R1) {
sp_ecc_uncompress_521(key->pubkey.x, pointType, key->pubkey.y);
err = sp_ecc_uncompress_521(key->pubkey.x, pointType,
key->pubkey.y);
}
else
#endif
@ -9629,8 +9632,7 @@ int wc_ecc_import_x963_ex(const byte* in, word32 inLen, ecc_key* key,
if (compressed == 0)
#endif
{
err = mp_read_unsigned_bin(key->pubkey.y, in + keysize,
keysize);
err = mp_read_unsigned_bin(key->pubkey.y, in + keysize, keysize);
}
}
if (err == MP_OKAY)