dropbearconvert: keyimport.c: fix BER encoding of secp521r1 keys (#69) keysizes >= 128 octets will be encoded with a 3 byte header which must be accounted by the optional-header Reproduce: master:~/build/dropbear$ ./dropbearkey -t ecdsa -s 521 -f K Generating 521 bit ecdsa key, this may take a while... master:~/build/dropbear$ ./dropbearconvert d o K L Key is a ecdsa-sha2-nistp521 key Wrote key to 'L' master:~/build/dropbear$ openssl ec < L read EC key unable to load Key 139769806448384:error:0D07209B:asn1 encoding routines:ASN1_get_object:too long:crypto/asn1/asn1_lib.c:91:

#ifndef DROPBEAR_DROPBEAR_LIST_H
#define DROPBEAR_DROPBEAR_LIST_H

struct _m_list;

struct _m_list_elem {
	void *item;
	struct _m_list_elem *next;
	struct _m_list_elem *prev;
	struct _m_list *list;
};
	
typedef struct _m_list_elem m_list_elem;

struct _m_list {
	m_list_elem *first;
	m_list_elem *last;
};

typedef struct _m_list m_list;

m_list * list_new(void);
void list_append(m_list *list, void *item);
/* returns the item for the element removed */
void * list_remove(m_list_elem *elem);


#endif /* DROPBEAR_DROPBEAR_LIST_H */