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ECDSA openssl for PdfWriter

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This commit is contained in:
Svetlana Kulikova
2023-08-16 13:10:53 +03:00
parent 512547d169
commit 01d734f157
1 changed files with 26 additions and 1 deletions
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27
DesktopEditor/xmlsec/src/src/Certificate_openssl.h
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@ -55,7 +55,7 @@ const EVP_MD* Get_EVP_MD(int nAlg)
case OOXML_HASH_ALG_ED25519:
case OOXML_HASH_ALG_ED448:
{
return NULL;
return EVP_sha256();
}
default:
break;
@ -206,6 +206,31 @@ public:
pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_X25519, NULL);
m_alg = OOXML_HASH_ALG_ED448;
}
else if (key_alg == "ecdsa")
{
int crypto_nid = NID_X9_62_prime256v1;
EC_GROUP* group = EC_GROUP_new_by_curve_name(crypto_nid);
if (!group)
return false;
EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
EC_GROUP_set_point_conversion_form(group, POINT_CONVERSION_UNCOMPRESSED);
EC_KEY* ec = EC_KEY_new();
EC_KEY_set_group(ec, group);
EC_KEY_generate_key(ec);
EVP_PKEY* tmp = EVP_PKEY_new();
if (!tmp)
return false;
EVP_PKEY_assign(tmp, EVP_PKEY_EC, ec);
pctx = EVP_PKEY_CTX_new(tmp, NULL);
m_alg = OOXML_HASH_ALG_ED25519;
EVP_PKEY_free(tmp);
EC_GROUP_free(group);
}
else if (0 == key_alg.find("rsa"))
{
pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_RSA, NULL);