-/* Go reading the rfc 4880 ! NOW !! */
-
-/*
- * XXX
- * When PGP-signing a file, we only sign a SHA-1 hash of this file
- *
- * As soon as SHA-1 is broken, this method is not secure anymore, because an
- * attacker could generate a file with the same SHA-1 hash.
- *
- * Whenever this happens, we need to use another algorithm / type of key.
- * XXX
- */
-
-enum /* Public key algorithms */
-{
- /* we will only use DSA public keys */
- PUBLIC_KEY_ALGO_DSA = 0x11
-};
-
-enum /* Digest algorithms */
-{
- /* and DSA use SHA-1 digest */
- DIGEST_ALGO_SHA1 = 0x02
-};
-
-enum /* Packet types */
-{
- SIGNATURE_PACKET = 0x02,
- PUBLIC_KEY_PACKET = 0x06,
- USER_ID_PACKET = 0x0d
-};
-
-enum /* Signature types */
-{
- BINARY_SIGNATURE = 0x00,
- TEXT_SIGNATURE = 0x01,
-
- /* Public keys signatures */
- GENERIC_KEY_SIGNATURE = 0x10, /* No assumption of verification */
- PERSONA_KEY_SIGNATURE = 0x11, /* No verification has been made */
- CASUAL_KEY_SIGNATURE = 0x12, /* Some casual verification */
- POSITIVE_KEY_SIGNATURE = 0x13 /* Substantial verification */
-};
-
-enum /* Signature subpacket types */
-{
- ISSUER_SUBPACKET = 0x10
-};
-
-struct public_key_packet_t
-{ /* a public key packet (DSA/SHA-1) is 418 bytes */
-
- uint8_t version; /* we use only version 4 */
- uint8_t timestamp[4]; /* creation time of the key */
- uint8_t algo; /* we only use DSA */
- /* the multi precision integers, with their 2 bytes length header */
- uint8_t p[2+128];
- uint8_t q[2+20];
- uint8_t g[2+128];
- uint8_t y[2+128];
-};
-
-/* used for public key and file signatures */
-struct signature_packet_t
-{
- uint8_t version; /* 3 or 4 */
-
- uint8_t type;
- uint8_t public_key_algo; /* DSA only */
- uint8_t digest_algo; /* SHA-1 only */
-
- uint8_t hash_verification[2];
- uint8_t issuer_longid[8];
-
- union /* version specific data */
- {
- struct
- {
- uint8_t hashed_data_len[2]; /* scalar number */
- uint8_t *hashed_data; /* hashed_data_len bytes */
- uint8_t unhashed_data_len[2]; /* scalar number */
- uint8_t *unhashed_data; /* unhashed_data_len bytes */
- } v4;
- struct
- {
- uint8_t hashed_data_len; /* MUST be 5 */
- uint8_t timestamp[4]; /* 4 bytes scalar number */
- } v3;
- } specific;
-
- /* The part below is made of consecutive MPIs, their number and size being
- * public-key-algorithm dependant.
- *
- * Since we use DSA signatures only, there is 2 integers, r & s, made of:
- * 2 bytes for the integer length (scalar number)
- * 160 bits (20 bytes) for the integer itself
- *
- * Note: the integers may be less than 160 significant bits
- */
- uint8_t r[2+20];
- uint8_t s[2+20];
-};
-
-typedef struct public_key_packet_t public_key_packet_t;
-typedef struct signature_packet_t signature_packet_t;
-
-struct public_key_t
-{
- uint8_t longid[8]; /* Long id */
- uint8_t *psz_username; /* USER ID */
-
- public_key_packet_t key; /* Public key packet */
-
- signature_packet_t sig; /* Signature packet, by the embedded key */
-};
-
-typedef struct public_key_t public_key_t;