eden-emu/mbedtls
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Read and write X25519 and X448 private keys

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Signed-off-by: Jethro Beekman <jethro@fortanix.com>
Co-authored-by: Gijs Kwakkel <gijs.kwakkel@fortanix.com>
Signed-off-by: Gijs Kwakkel <gijs.kwakkel@fortanix.com>
This commit is contained in:
Jethro Beekman 2023-04-19 14:08:14 +02:00
parent e4072c00c8
commit 0167244be4
19 changed files with 515 additions and 94 deletions
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17
library/asn1write.c
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@ -194,14 +194,23 @@ int mbedtls_asn1_write_oid(unsigned char **p, const unsigned char *start,
int mbedtls_asn1_write_algorithm_identifier(unsigned char **p, const unsigned char *start,
const char *oid, size_t oid_len,
size_t par_len)
{
return mbedtls_asn1_write_algorithm_identifier_ext(p, start, oid, oid_len, par_len, 1);
}
int mbedtls_asn1_write_algorithm_identifier_ext(unsigned char **p, const unsigned char *start,
const char *oid, size_t oid_len,
size_t par_len, int has_par)
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
if (par_len == 0) {
MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_null(p, start));
} else {
len += par_len;
if (has_par) {
if (par_len == 0) {
MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_null(p, start));
} else {
len += par_len;
}
}
MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_oid(p, start, oid, oid_len));