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| -rw-r--r-- | bip-0340.mediawiki | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/bip-0340.mediawiki b/bip-0340.mediawiki index 51ba90d..27e7c5a 100644 --- a/bip-0340.mediawiki +++ b/bip-0340.mediawiki @@ -99,7 +99,7 @@ This proposal suggests to include the tag by prefixing the hashed data with ''SH === Specification === -The following conventions are used, with constants as defined for [https://www.secg.org/sec2-v2.pdf secp256k1]: +The following conventions are used, with constants as defined for [https://www.secg.org/sec2-v2.pdf secp256k1]. We note that adapting this specification to other elliptic curves is not straightforward and can result in an insecure scheme<ref>Among other pitfalls, using the specification with a curve whose order is not close to the size of the range of the nonce derivation function is insecure.</ref>. * Lowercase variables represent integers or byte arrays. ** The constant ''p'' refers to the field size, ''0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F''. ** The constant ''n'' refers to the curve order, ''0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141''. |