Make EVP_PKEY_ASN1_METHOD opaque. Add application level functions to

initialize it. Initial support for application added public key ASN1.

1 files changed, 37 insertions, 0 deletions

diff --git a/crypto/asn1/asn1_locl.h b/crypto/asn1/asn1_locl.h
index 3f24f1b..1328cdb 100644
--- a/crypto/asn1/asn1_locl.h
+++ b/crypto/asn1/asn1_locl.h
@@ -68,3 +68,40 @@ struct asn1_pctx_st
 	unsigned long oid_flags;
 	unsigned long str_flags;
 	} /* ASN1_PCTX */;
+
+/* ASN1 public key method structure */
+
+#define ASN1_PKEY_ALIAS		0x1
+#define ASN1_PKEY_DYNAMIC	0x2
+
+struct evp_pkey_asn1_method_st
+	{
+	int pkey_id;
+	int pkey_base_id;
+	unsigned long pkey_flags;
+
+	int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub);
+	int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
+	int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
+	int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+							ASN1_PCTX *pctx);
+
+	int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf);
+	int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
+	int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+							ASN1_PCTX *pctx);
+
+	int (*pkey_size)(const EVP_PKEY *pk);
+	int (*pkey_bits)(const EVP_PKEY *pk);
+
+	int (*param_decode)(const EVP_PKEY *pk, X509_PUBKEY *pub);
+	int (*param_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
+	int (*param_missing)(const EVP_PKEY *pk);
+	int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
+	int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
+	int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+							ASN1_PCTX *pctx);
+
+	void (*pkey_free)(EVP_PKEY *pkey);
+	void (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2);
+	} /* EVP_PKEY_ASN1_METHOD */;