Merge #1236: Update comment for secp256k1_modinv32_inv256

sipa · sipa · commit 427bc3cdcfbc · 2023-03-11T18:14:01.000-05:00
647f0a5 Update comment for secp256k1_modinv32_inv256 (roconnor-blockstream) Pull request description: ACKs for top commit: sipa: ACK 647f0a5 real-or-random: utACK 647f0a5 Tree-SHA512: 7c2ec02acf985bb6edfc619ce31bd63511ff634d847a25888927b48b5164353a912d470421b0b969a868fbc5b865cbea188e14357557f44be42d5702af7c5a6b
diff --git a/src/modinv32_impl.h b/src/modinv32_impl.h
@@ -232,7 +232,7 @@ static int32_t secp256k1_modinv32_divsteps_30(int32_t zeta, uint32_t f0, uint32_
     return zeta;
 }
 
-/* inv256[i] = -(2*i+1)^-1 (mod 256) */
+/* secp256k1_modinv32_inv256[i] = -(2*i+1)^-1 (mod 256) */
 static const uint8_t secp256k1_modinv32_inv256[128] = {
     0xFF, 0x55, 0x33, 0x49, 0xC7, 0x5D, 0x3B, 0x11, 0x0F, 0xE5, 0xC3, 0x59,
     0xD7, 0xED, 0xCB, 0x21, 0x1F, 0x75, 0x53, 0x69, 0xE7, 0x7D, 0x5B, 0x31,

Original file line number	Diff line number	Diff line change
`@@ -232,7 +232,7 @@ static int32_t secp256k1_modinv32_divsteps_30(int32_t zeta, uint32_t f0, uint32_`
`232`	`232`	`return zeta;`
`233`	`233`	`}`
`234`	`234`
`235`		`-/* inv256[i] = -(2i+1)^-1 (mod 256) /`
	`235`	`+/* secp256k1_modinv32_inv256[i] = -(2i+1)^-1 (mod 256) /`
`236`	`236`	`static const uint8_t secp256k1_modinv32_inv256[128] = {`
`237`	`237`	`0xFF, 0x55, 0x33, 0x49, 0xC7, 0x5D, 0x3B, 0x11, 0x0F, 0xE5, 0xC3, 0x59,`
`238`	`238`	`0xD7, 0xED, 0xCB, 0x21, 0x1F, 0x75, 0x53, 0x69, 0xE7, 0x7D, 0x5B, 0x31,`