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Add comment about version 1 PKCS8 keys not containing a public key

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Signed-off-by: Jethro Beekman <jethro@fortanix.com>
This commit is contained in:
Jethro Beekman 2023-05-03 12:56:54 +02:00
parent 0167244be4
commit 2e662c6f97
1 changed files with 3 additions and 0 deletions
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3
library/pkparse.c
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@ -590,6 +590,9 @@ static int pk_parse_key_rfc8410_der(mbedtls_ecp_keypair *eck,
return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT, ret); return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT, ret);
} }
// pk_parse_key_pkcs8_unencrypted_der() only supports version 1 PKCS8 keys,
// which never contain a public key. As such, derive the public key
// unconditionally.
if ((ret = pk_derive_public_key(eck, key, len, f_rng, p_rng)) != 0) { if ((ret = pk_derive_public_key(eck, key, len, f_rng, p_rng)) != 0) {
mbedtls_ecp_keypair_free(eck); mbedtls_ecp_keypair_free(eck);
return ret; return ret;