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Define valid ECDSA keys in the documentation of seckey_verify

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This commit is contained in:
Jonas Nick 2019-12-17 17:05:42 +00:00
parent 5894e1f1df
commit f03df0e6d7
1 changed files with 5 additions and 0 deletions
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include/secp256k1.h
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@ -552,6 +552,11 @@ SECP256K1_API int secp256k1_ecdsa_sign(
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4); ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
/** Verify an ECDSA secret key. /** Verify an ECDSA secret key.
*
* A secret key is valid if it is not 0 and less than the secp256k1 curve order
* when interpreted as an integer (most significant byte first). The
* probability of choosing a 32-byte string uniformly at random which is an
* invalid secret key is negligible.
* *
* Returns: 1: secret key is valid * Returns: 1: secret key is valid
* 0: secret key is invalid * 0: secret key is invalid