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Use a flags bitfield for compressed option to secp256k1_ec_pubkey_serialize and secp256k1_ec_privkey_export

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This commit is contained in:
Luke Dashjr
2015-09-01 06:00:35 +00:00
parent 05732c5a5f
commit 486b9bb8ce
9 changed files with 27 additions and 22 deletions
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13
include/secp256k1.h
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@@ -137,6 +137,9 @@ typedef int (*secp256k1_nonce_function_t)(
# define SECP256K1_CONTEXT_VERIFY (1 << 0)
# define SECP256K1_CONTEXT_SIGN (1 << 1)
/** Flag to pass to secp256k1_ec_pubkey_serialize and secp256k1_ec_privkey_export. */
# define SECP256K1_EC_COMPRESSED (1 << 0)
/** Create a secp256k1 context object.
*
* Returns: a newly created context object.
@@ -243,14 +246,15 @@ SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_parse(
* size.
* In: pubkey: a pointer to a secp256k1_pubkey_t containing an initialized
* public key.
* compressed: whether to serialize in compressed format.
* flags: SECP256K1_EC_COMPRESSED if serialization should be in
* compressed format.
*/
int secp256k1_ec_pubkey_serialize(
const secp256k1_context_t* ctx,
unsigned char *output,
size_t *outputlen,
const secp256k1_pubkey_t* pubkey,
int compressed
unsigned int flags
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
/** Parse a DER ECDSA signature.
@@ -396,7 +400,8 @@ SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_create(
* privkeylen: Pointer to an int where the length of the private key in
* privkey will be stored.
* In: seckey: pointer to a 32-byte secret key to export.
* compressed: whether the key should be exported in compressed format.
* flags: SECP256K1_EC_COMPRESSED if the key should be exported in
* compressed format.
*
* This function is purely meant for compatibility with applications that
* require BER encoded keys. When working with secp256k1-specific code, the
@@ -410,7 +415,7 @@ SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_privkey_export(
unsigned char *privkey,
size_t *privkeylen,
const unsigned char *seckey,
int compressed
unsigned int flags
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
/** Import a private key in DER format.