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Add some simple impersonation detection on friend requests

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This will alert the user when the first six bytes of a new
contact's public key is the same as any other contact in
their list. These 6 bytes are used elsewhere in toxic for
unique identification.

Also did a small refactor regarding the KEY_IDENT_BYTES
define
This commit is contained in:
jfreegman
2022-01-23 11:32:57 -05:00
parent 05dbc626e2
commit f6f41a510b
4 changed files with 37 additions and 12 deletions
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2
src/toxic.h
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@@ -46,7 +46,7 @@
#define MAX_STR_SIZE TOX_MAX_MESSAGE_LENGTH /* must be >= TOX_MAX_MESSAGE_LENGTH */
#define MAX_CMDNAME_SIZE 64
#define TOXIC_MAX_NAME_LENGTH 32 /* Must be <= TOX_MAX_NAME_LENGTH */
#define KEY_IDENT_DIGITS 3 /* number of hex digits to display for the pub-key based identifier */
#define KEY_IDENT_BYTES 6 /* number of hex digits to display for the public key identifier */
#define TIME_STR_SIZE 32
#define COLOR_STR_SIZE 10 /* should fit every color option */