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Clarify ECDSA verification in RIP 7212 #62

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Clarify ECDSA verification in RIP 7212 #62

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3 changes: 2 additions & 1 deletion RIPS/rip-7212.md
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Expand Up @@ -73,13 +73,14 @@ The signature verifying algorithm takes the signed message hash, the signature c
s1 = s^(−1) (mod n)

# Recover the random point used during the signing:
# If R' is the point at infinity, verification fails
R' = (h * s1) * G + (r * s1) * pubKey

# Take from R' its x-coordinate:
r' = R'.x

# Calculate the signature validation result by comparing whether:
r' == r
r' == r (mod n)

```

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