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rangeproof: verify correctness of pedersen commitments when parsing

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This commit is contained in:
Andrew Poelstra
2018-10-02 18:03:05 +00:00
parent 4183dc967f
commit 806fbba755
2 changed files with 24 additions and 10 deletions
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12
include/secp256k1_rangeproof.h
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@@ -14,15 +14,13 @@ 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
* secp256k1_pedersen_commitment_serialize and secp256k1_pedersen_commitment_parse.
*
* Furthermore, it is guaranteed to identical signatures 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_pedersen_commitment_serialize and
* secp256k1_pedersen_commitment_parse.
*/
typedef struct {
unsigned char data[33];
unsigned char data[64];
} secp256k1_pedersen_commitment;
/**