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status-go
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Expose 33-bytes compression functions 

Issue #8001
This commit is contained in:
Michal Iskierko 2022-10-25 11:32:26 +02:00 committed by Michał Iskierko
parent 601484af3e
commit 2a9ac92db9
1 changed files with 28 additions and 0 deletions
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28
mobile/status.go
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@ -19,6 +19,7 @@ import (
abi_spec "github.com/status-im/status-go/abi-spec"
"github.com/status-im/status-go/api"
"github.com/status-im/status-go/api/multiformat"
"github.com/status-im/status-go/eth-node/crypto"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/exportlogs"
"github.com/status-im/status-go/extkeys"
@ -29,6 +30,7 @@ import (
"github.com/status-im/status-go/params"
"github.com/status-im/status-go/profiling"
protocol "github.com/status-im/status-go/protocol"
"github.com/status-im/status-go/protocol/common"
identityUtils "github.com/status-im/status-go/protocol/identity"
"github.com/status-im/status-go/protocol/identity/alias"
"github.com/status-im/status-go/protocol/identity/colorhash"
@ -734,6 +736,32 @@ func ValidateMnemonic(mnemonic string) string {
return makeJSONResponse(err)
}
// DecompressPublicKey decompresses 33-byte compressed format to uncompressed 65-byte format.
func DecompressPublicKey(key string) string {
decoded, err := types.DecodeHex(key)
if err != nil {
return makeJSONResponse(err)
}
const compressionBytesNumber = 33
if len(decoded) != compressionBytesNumber {
return makeJSONResponse(errors.New("key is not 33 bytes long"))
}
pubKey, err := crypto.DecompressPubkey(decoded)
if err != nil {
return makeJSONResponse(err)
}
return types.EncodeHex(crypto.FromECDSAPub(pubKey))
}
// CompressPublicKey compresses uncompressed 65-byte format to 33-byte compressed format.
func CompressPublicKey(key string) string {
pubKey, err := common.HexToPubkey(key)
if err != nil {
return makeJSONResponse(err)
}
return types.EncodeHex(crypto.CompressPubkey(pubKey))
}
// SerializePublicKey compresses an uncompressed multibase encoded multicodec identified EC public key
// For details on usage see specs https://specs.status.im/spec/2#public-key-serialization
func MultiformatSerializePublicKey(key, outBase string) string {