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secp: update (#138)

This commit is contained in:
Jacek Sieka 2020-04-12 19:03:08 +02:00 committed by GitHub
parent 303ec297da
commit 2b823bde68
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 9 deletions
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18
libp2p/crypto/secp.nim
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@ -49,11 +49,11 @@ type
var secpContext {.threadvar.}: SkContext var secpContext {.threadvar.}: SkContext
## Thread local variable which holds current context ## Thread local variable which holds current context
proc illegalCallback(message: cstring, data: pointer) {.cdecl.} = proc illegalCallback(message: cstring, data: pointer) {.cdecl, raises: [].} =
let ctx = cast[SkContext](data) let ctx = cast[SkContext](data)
ctx.error = $message ctx.error = $message
proc errorCallback(message: cstring, data: pointer) {.cdecl.} = proc errorCallback(message: cstring, data: pointer) {.cdecl, raises: [].} =
let ctx = cast[SkContext](data) let ctx = cast[SkContext](data)
ctx.error = $message ctx.error = $message
@ -130,7 +130,7 @@ proc init*(key: var SkPublicKey, data: openarray[byte]): bool =
return false return false
let res = secp256k1_ec_pubkey_parse(ctx.context, addr key, let res = secp256k1_ec_pubkey_parse(ctx.context, addr key,
cast[ptr cuchar](unsafeAddr data[0]), cast[ptr cuchar](unsafeAddr data[0]),
length) csize_t(length))
result = (res == 1) and (len(ctx.error) == 0) result = (res == 1) and (len(ctx.error) == 0)
proc init*(key: var SkPublicKey, data: string): bool = proc init*(key: var SkPublicKey, data: string): bool =
@ -155,7 +155,7 @@ proc init*(sig: var SkSignature, data: openarray[byte]): bool =
if length >= 0: if length >= 0:
let res = secp256k1_ecdsa_signature_parse_der(ctx.context, addr sig, let res = secp256k1_ecdsa_signature_parse_der(ctx.context, addr sig,
cast[ptr cuchar](unsafeAddr data[0]), cast[ptr cuchar](unsafeAddr data[0]),
csize(length)) csize_t(length))
result = (res == 1) and (len(ctx.error) == 0) result = (res == 1) and (len(ctx.error) == 0)
proc init*(sig: var SkSignature, data: string): bool = proc init*(sig: var SkSignature, data: string): bool =
@ -264,7 +264,7 @@ proc toBytes*(key: SkPublicKey, data: var openarray[byte]): int =
## Procedure returns number of bytes (octets) needed to store ## Procedure returns number of bytes (octets) needed to store
## Secp256k1 public key. ## Secp256k1 public key.
let ctx = getContext() let ctx = getContext()
var length = csize(len(data)) var length = csize_t(len(data))
result = SkRawPublicKeySize result = SkRawPublicKeySize
if len(data) >= SkRawPublicKeySize: if len(data) >= SkRawPublicKeySize:
discard secp256k1_ec_pubkey_serialize(ctx.context, discard secp256k1_ec_pubkey_serialize(ctx.context,
@ -281,13 +281,13 @@ proc toBytes*(sig: SkSignature, data: var openarray[byte]): int =
let ctx = getContext() let ctx = getContext()
var buffer: array[72, byte] var buffer: array[72, byte]
let pdata = cast[ptr cuchar](addr buffer[0]) let pdata = cast[ptr cuchar](addr buffer[0])
var plength = csize(len(buffer)) var plength = csize_t(len(buffer))
discard secp256k1_ecdsa_signature_serialize_der(ctx.context, pdata, discard secp256k1_ecdsa_signature_serialize_der(ctx.context, pdata,
addr plength, addr plength,
unsafeAddr sig) unsafeAddr sig)
result = plength result = int(plength)
if len(data) >= plength: if len(data) >= result:
copyMem(addr data[0], addr buffer[0], plength) copyMem(addr data[0], addr buffer[0], result)
proc getBytes*(key: SkPrivateKey): seq[byte] {.inline.} = proc getBytes*(key: SkPrivateKey): seq[byte] {.inline.} =
## Serialize Secp256k1 `private key` and return it. ## Serialize Secp256k1 `private key` and return it.