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generator: verify correctness of point when parsing

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This commit is contained in:
Andrew Poelstra
2018-10-02 16:23:35 +00:00
committed by Tim Ruffing
parent c50b218698
commit fca4c3b62f
3 changed files with 41 additions and 24 deletions
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11
include/secp256k1_generator.h
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@@ -13,15 +13,12 @@ extern "C" {
*
* The exact representation of data inside is implementation defined and not
* guaranteed to be portable between different platforms or versions. It is
* however guaranteed to be 33 bytes in size, and can be safely copied/moved.
* If you need to convert to a format suitable for storage or transmission, use
* the secp256k1_generator_serialize_*.
*
* Furthermore, it is guaranteed to identical points will have identical
* representation, so they can be memcmp'ed.
* however guaranteed to be 64 bytes in size, and can be safely copied/moved.
* If you need to convert to a format suitable for storage, transmission, or
* comparison, use secp256k1_generator_serialize and secp256k1_generator_parse.
*/
typedef struct {
unsigned char data[33];
unsigned char data[64];
} secp256k1_generator;
/** Parse a 33-byte generator byte sequence into a generator object.