Add test vectors for Sapling internal key derivation.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Daira Hopwood 2022-01-31 18:05:14 +00:00
parent 5d6b92cd5c
commit b10115d363
2 changed files with 146 additions and 1 deletions

View File

@ -14,6 +14,12 @@
d1: Option<[u8; 11]>,
d2: Option<[u8; 11]>,
dmax: Option<[u8; 11]>,
internal_nsk: Option<[u8; 32]>,
internal_ovk: [u8; 32],
internal_dk: [u8; 32],
internal_nk: [u8; 32],
internal_xsk: Option<[u8; 169]>,
internal_xfvk: [u8; 169],
};
// From https://github.com/zcash-hackworks/zcash-test-vectors/blob/master/sapling_zip32.py
@ -60,6 +66,24 @@
]),
d2: None,
dmax: None,
internal_nsk: Some([
0x51, 0x12, 0x33, 0x63, 0x6b, 0x95, 0xfd, 0x0a, 0xfb, 0x6b, 0xf8, 0x19, 0x3a, 0x7d, 0x8f, 0x49, 0xef, 0xd7, 0x36, 0xa9, 0x88, 0x77, 0x5c, 0x54, 0xf9, 0x56, 0x68, 0x76, 0x46, 0xea, 0xab, 0x07
]),
internal_ovk: [
0x9d, 0xc4, 0x77, 0xfe, 0x1e, 0x7d, 0x28, 0x29, 0x13, 0xf6, 0x51, 0x65, 0x4d, 0x39, 0x85, 0xf0, 0x9d, 0x53, 0xc2, 0xd3, 0xb5, 0x76, 0x3d, 0x7a, 0x72, 0x3b, 0xcb, 0xd6, 0xee, 0x05, 0x3d, 0x5a
],
internal_dk: [
0x40, 0xdd, 0xc5, 0x6e, 0x69, 0x75, 0x13, 0x8c, 0x08, 0x39, 0xe5, 0x80, 0xb5, 0x4d, 0x6d, 0x99, 0x9d, 0xc6, 0x16, 0x84, 0x3c, 0xfe, 0x04, 0x1e, 0x8f, 0x38, 0x8b, 0x12, 0x4e, 0xf7, 0xb5, 0xed
],
internal_nk: [
0xa3, 0x83, 0x1a, 0x5c, 0x69, 0x33, 0xf8, 0xec, 0x6a, 0xa5, 0xce, 0x31, 0x6c, 0x50, 0x8b, 0x79, 0x91, 0xcd, 0x94, 0xd3, 0xbd, 0xb7, 0x00, 0xa1, 0xc4, 0x27, 0xa6, 0xae, 0x15, 0xe7, 0x2f, 0xb5
],
internal_xsk: Some([
0x00, 0x14, 0xc2, 0x71, 0x3a, 0x00, 0x00, 0x00, 0x00, 0xd0, 0x94, 0x7c, 0x4b, 0x03, 0xbf, 0x72, 0xa3, 0x7a, 0xb4, 0x4f, 0x72, 0x27, 0x6d, 0x1c, 0xf3, 0xfd, 0xcd, 0x7e, 0xbf, 0x3e, 0x73, 0x34, 0x8b, 0x7e, 0x55, 0x0d, 0x75, 0x20, 0x18, 0x66, 0x8e, 0xb6, 0xc0, 0x0c, 0x93, 0xd3, 0x60, 0x32, 0xb9, 0xa2, 0x68, 0xe9, 0x9e, 0x86, 0xa8, 0x60, 0x77, 0x65, 0x60, 0xbf, 0x0e, 0x83, 0xc1, 0xa1, 0x0b, 0x51, 0xf6, 0x07, 0xc9, 0x54, 0x74, 0x25, 0x06, 0x51, 0x12, 0x33, 0x63, 0x6b, 0x95, 0xfd, 0x0a, 0xfb, 0x6b, 0xf8, 0x19, 0x3a, 0x7d, 0x8f, 0x49, 0xef, 0xd7, 0x36, 0xa9, 0x88, 0x77, 0x5c, 0x54, 0xf9, 0x56, 0x68, 0x76, 0x46, 0xea, 0xab, 0x07, 0x9d, 0xc4, 0x77, 0xfe, 0x1e, 0x7d, 0x28, 0x29, 0x13, 0xf6, 0x51, 0x65, 0x4d, 0x39, 0x85, 0xf0, 0x9d, 0x53, 0xc2, 0xd3, 0xb5, 0x76, 0x3d, 0x7a, 0x72, 0x3b, 0xcb, 0xd6, 0xee, 0x05, 0x3d, 0x5a, 0x40, 0xdd, 0xc5, 0x6e, 0x69, 0x75, 0x13, 0x8c, 0x08, 0x39, 0xe5, 0x80, 0xb5, 0x4d, 0x6d, 0x99, 0x9d, 0xc6, 0x16, 0x84, 0x3c, 0xfe, 0x04, 0x1e, 0x8f, 0x38, 0x8b, 0x12, 0x4e, 0xf7, 0xb5, 0xed
]),
internal_xfvk: [
0x00, 0x14, 0xc2, 0x71, 0x3a, 0x00, 0x00, 0x00, 0x00, 0xd0, 0x94, 0x7c, 0x4b, 0x03, 0xbf, 0x72, 0xa3, 0x7a, 0xb4, 0x4f, 0x72, 0x27, 0x6d, 0x1c, 0xf3, 0xfd, 0xcd, 0x7e, 0xbf, 0x3e, 0x73, 0x34, 0x8b, 0x7e, 0x55, 0x0d, 0x75, 0x20, 0x18, 0x66, 0x8e, 0x93, 0x44, 0x2e, 0x5f, 0xef, 0xfb, 0xff, 0x16, 0xe7, 0x21, 0x72, 0x02, 0xdc, 0x73, 0x06, 0x72, 0x9f, 0xff, 0xfe, 0x85, 0xaf, 0x56, 0x83, 0xbc, 0xe2, 0x64, 0x2e, 0x3e, 0xeb, 0x5d, 0x38, 0x71, 0xa3, 0x83, 0x1a, 0x5c, 0x69, 0x33, 0xf8, 0xec, 0x6a, 0xa5, 0xce, 0x31, 0x6c, 0x50, 0x8b, 0x79, 0x91, 0xcd, 0x94, 0xd3, 0xbd, 0xb7, 0x00, 0xa1, 0xc4, 0x27, 0xa6, 0xae, 0x15, 0xe7, 0x2f, 0xb5, 0x9d, 0xc4, 0x77, 0xfe, 0x1e, 0x7d, 0x28, 0x29, 0x13, 0xf6, 0x51, 0x65, 0x4d, 0x39, 0x85, 0xf0, 0x9d, 0x53, 0xc2, 0xd3, 0xb5, 0x76, 0x3d, 0x7a, 0x72, 0x3b, 0xcb, 0xd6, 0xee, 0x05, 0x3d, 0x5a, 0x40, 0xdd, 0xc5, 0x6e, 0x69, 0x75, 0x13, 0x8c, 0x08, 0x39, 0xe5, 0x80, 0xb5, 0x4d, 0x6d, 0x99, 0x9d, 0xc6, 0x16, 0x84, 0x3c, 0xfe, 0x04, 0x1e, 0x8f, 0x38, 0x8b, 0x12, 0x4e, 0xf7, 0xb5, 0xed
],
},
TestVector {
ask: Some([
@ -105,6 +129,24 @@
dmax: Some([
0x63, 0x89, 0x57, 0x4c, 0xde, 0x0f, 0xbb, 0xc6, 0x36, 0x81, 0x31
]),
internal_nsk: Some([
0x74, 0x92, 0x9f, 0x79, 0x0c, 0x11, 0xdc, 0xab, 0x3a, 0x2f, 0x93, 0x12, 0x35, 0xcd, 0xb2, 0x67, 0xf5, 0xa3, 0x1b, 0x9f, 0x13, 0x9f, 0x2c, 0x9f, 0xd8, 0x16, 0xb0, 0x44, 0x4f, 0xb8, 0x05, 0x05
]),
internal_ovk: [
0x0c, 0xd4, 0xd7, 0xc5, 0xcc, 0x7f, 0x53, 0x4b, 0x96, 0xd2, 0x41, 0x82, 0xa3, 0x14, 0x65, 0xb4, 0x78, 0x11, 0x05, 0x48, 0x9c, 0xd1, 0x0d, 0x50, 0x0c, 0xf5, 0x29, 0x5a, 0x6f, 0xd8, 0x18, 0xcc
],
internal_dk: [
0xd2, 0x78, 0xb7, 0x2c, 0x62, 0x1d, 0x19, 0xcb, 0x00, 0xf9, 0x70, 0x07, 0x9c, 0x89, 0x22, 0x76, 0x1c, 0xdd, 0x3a, 0xe7, 0xf2, 0x7b, 0x18, 0x47, 0xc5, 0x53, 0x60, 0xdb, 0xeb, 0xf6, 0x54, 0x92
],
internal_nk: [
0x2b, 0x5c, 0x78, 0xa2, 0xfb, 0xa5, 0x01, 0x9c, 0x15, 0xa7, 0x51, 0x50, 0x2b, 0xa9, 0x91, 0x6f, 0xae, 0xda, 0xe1, 0xfc, 0x14, 0xdc, 0x81, 0xb0, 0xb8, 0x35, 0xf2, 0xbf, 0x95, 0xc0, 0x68, 0xe8
],
internal_xsk: Some([
0x01, 0xdb, 0x99, 0x9e, 0x07, 0x01, 0x00, 0x00, 0x00, 0x01, 0x47, 0x11, 0x0c, 0x69, 0x1a, 0x03, 0xb9, 0xd9, 0xf0, 0xba, 0x90, 0x05, 0xc5, 0xe7, 0x90, 0xa5, 0x95, 0xb7, 0xf0, 0x4e, 0x33, 0x29, 0xd2, 0xfa, 0x43, 0x8a, 0x67, 0x05, 0xda, 0xbc, 0xe6, 0x28, 0x2b, 0xc1, 0x97, 0xa5, 0x16, 0x28, 0x7c, 0x8e, 0xa8, 0xf6, 0x8c, 0x42, 0x4a, 0xba, 0xd3, 0x02, 0xb4, 0x5c, 0xdf, 0x95, 0x40, 0x79, 0x61, 0xd7, 0xb8, 0xb4, 0x55, 0x26, 0x7a, 0x35, 0x0c, 0x74, 0x92, 0x9f, 0x79, 0x0c, 0x11, 0xdc, 0xab, 0x3a, 0x2f, 0x93, 0x12, 0x35, 0xcd, 0xb2, 0x67, 0xf5, 0xa3, 0x1b, 0x9f, 0x13, 0x9f, 0x2c, 0x9f, 0xd8, 0x16, 0xb0, 0x44, 0x4f, 0xb8, 0x05, 0x05, 0x0c, 0xd4, 0xd7, 0xc5, 0xcc, 0x7f, 0x53, 0x4b, 0x96, 0xd2, 0x41, 0x82, 0xa3, 0x14, 0x65, 0xb4, 0x78, 0x11, 0x05, 0x48, 0x9c, 0xd1, 0x0d, 0x50, 0x0c, 0xf5, 0x29, 0x5a, 0x6f, 0xd8, 0x18, 0xcc, 0xd2, 0x78, 0xb7, 0x2c, 0x62, 0x1d, 0x19, 0xcb, 0x00, 0xf9, 0x70, 0x07, 0x9c, 0x89, 0x22, 0x76, 0x1c, 0xdd, 0x3a, 0xe7, 0xf2, 0x7b, 0x18, 0x47, 0xc5, 0x53, 0x60, 0xdb, 0xeb, 0xf6, 0x54, 0x92
]),
internal_xfvk: [
0x01, 0xdb, 0x99, 0x9e, 0x07, 0x01, 0x00, 0x00, 0x00, 0x01, 0x47, 0x11, 0x0c, 0x69, 0x1a, 0x03, 0xb9, 0xd9, 0xf0, 0xba, 0x90, 0x05, 0xc5, 0xe7, 0x90, 0xa5, 0x95, 0xb7, 0xf0, 0x4e, 0x33, 0x29, 0xd2, 0xfa, 0x43, 0x8a, 0x67, 0x05, 0xda, 0xbc, 0xe6, 0xdc, 0x14, 0xb5, 0x14, 0xd3, 0xa9, 0x25, 0x94, 0xc2, 0x19, 0x25, 0xaf, 0x2f, 0x77, 0x65, 0xa5, 0x47, 0xb3, 0x0e, 0x73, 0xfa, 0x7b, 0x70, 0x0e, 0xa1, 0xbf, 0xf2, 0xe5, 0xef, 0xaa, 0xa8, 0x8b, 0x2b, 0x5c, 0x78, 0xa2, 0xfb, 0xa5, 0x01, 0x9c, 0x15, 0xa7, 0x51, 0x50, 0x2b, 0xa9, 0x91, 0x6f, 0xae, 0xda, 0xe1, 0xfc, 0x14, 0xdc, 0x81, 0xb0, 0xb8, 0x35, 0xf2, 0xbf, 0x95, 0xc0, 0x68, 0xe8, 0x0c, 0xd4, 0xd7, 0xc5, 0xcc, 0x7f, 0x53, 0x4b, 0x96, 0xd2, 0x41, 0x82, 0xa3, 0x14, 0x65, 0xb4, 0x78, 0x11, 0x05, 0x48, 0x9c, 0xd1, 0x0d, 0x50, 0x0c, 0xf5, 0x29, 0x5a, 0x6f, 0xd8, 0x18, 0xcc, 0xd2, 0x78, 0xb7, 0x2c, 0x62, 0x1d, 0x19, 0xcb, 0x00, 0xf9, 0x70, 0x07, 0x9c, 0x89, 0x22, 0x76, 0x1c, 0xdd, 0x3a, 0xe7, 0xf2, 0x7b, 0x18, 0x47, 0xc5, 0x53, 0x60, 0xdb, 0xeb, 0xf6, 0x54, 0x92
],
},
TestVector {
ask: Some([
@ -148,6 +190,24 @@
]),
d2: None,
dmax: None,
internal_nsk: Some([
0x34, 0x78, 0x65, 0xac, 0xf4, 0x7e, 0x50, 0x45, 0x38, 0xf5, 0xef, 0x8b, 0x04, 0x70, 0x20, 0x80, 0xe6, 0x09, 0x1c, 0xda, 0x57, 0x97, 0xcd, 0x7d, 0x23, 0x5a, 0x54, 0x6e, 0xb1, 0x0f, 0x55, 0x08
]),
internal_ovk: [
0xdd, 0xba, 0xc2, 0xa4, 0x93, 0xf5, 0x3c, 0x3b, 0x09, 0x33, 0xd9, 0x13, 0xde, 0xf8, 0x88, 0x48, 0x65, 0x4c, 0x08, 0x7c, 0x12, 0x60, 0x9d, 0xf0, 0x1b, 0xaf, 0x94, 0x05, 0xce, 0x78, 0x04, 0xfd
],
internal_dk: [
0x60, 0x2c, 0xd3, 0x17, 0xb7, 0xce, 0xa1, 0x1e, 0x8c, 0xc7, 0xae, 0x2e, 0xa4, 0x05, 0xb4, 0x0d, 0x46, 0xb1, 0x59, 0x2a, 0x30, 0xf0, 0xcb, 0x6e, 0x8c, 0x4f, 0x17, 0xd7, 0xf7, 0xc4, 0x7f, 0xeb
],
internal_nk: [
0xf9, 0x12, 0x87, 0xc0, 0x6e, 0x30, 0xb6, 0x5e, 0xa1, 0xbd, 0xb7, 0x16, 0xb2, 0x31, 0xde, 0x67, 0x78, 0xa5, 0xd8, 0x0e, 0xe5, 0xcd, 0x9c, 0x06, 0x0d, 0x1a, 0xba, 0xca, 0xe0, 0xaa, 0xe2, 0x3b
],
internal_xsk: Some([
0x02, 0x48, 0xc1, 0x83, 0x75, 0x02, 0x00, 0x00, 0x80, 0x97, 0xce, 0x15, 0xf4, 0xed, 0x1b, 0x97, 0x39, 0xb0, 0x26, 0x2a, 0x46, 0x3b, 0xcb, 0x3d, 0xc9, 0xb3, 0xbd, 0x23, 0x23, 0xa9, 0xba, 0xa4, 0x41, 0xca, 0x42, 0x77, 0x73, 0x83, 0xa8, 0xd4, 0x35, 0x8b, 0xe8, 0x11, 0x3c, 0xee, 0x34, 0x13, 0xa7, 0x1f, 0x82, 0xc4, 0x1f, 0xc8, 0xda, 0x51, 0x7b, 0xe1, 0x34, 0x04, 0x98, 0x32, 0xe6, 0x82, 0x5c, 0x92, 0xda, 0x6b, 0x84, 0xfe, 0xe4, 0xc6, 0x0d, 0x34, 0x78, 0x65, 0xac, 0xf4, 0x7e, 0x50, 0x45, 0x38, 0xf5, 0xef, 0x8b, 0x04, 0x70, 0x20, 0x80, 0xe6, 0x09, 0x1c, 0xda, 0x57, 0x97, 0xcd, 0x7d, 0x23, 0x5a, 0x54, 0x6e, 0xb1, 0x0f, 0x55, 0x08, 0xdd, 0xba, 0xc2, 0xa4, 0x93, 0xf5, 0x3c, 0x3b, 0x09, 0x33, 0xd9, 0x13, 0xde, 0xf8, 0x88, 0x48, 0x65, 0x4c, 0x08, 0x7c, 0x12, 0x60, 0x9d, 0xf0, 0x1b, 0xaf, 0x94, 0x05, 0xce, 0x78, 0x04, 0xfd, 0x60, 0x2c, 0xd3, 0x17, 0xb7, 0xce, 0xa1, 0x1e, 0x8c, 0xc7, 0xae, 0x2e, 0xa4, 0x05, 0xb4, 0x0d, 0x46, 0xb1, 0x59, 0x2a, 0x30, 0xf0, 0xcb, 0x6e, 0x8c, 0x4f, 0x17, 0xd7, 0xf7, 0xc4, 0x7f, 0xeb
]),
internal_xfvk: [
0x02, 0x48, 0xc1, 0x83, 0x75, 0x02, 0x00, 0x00, 0x80, 0x97, 0xce, 0x15, 0xf4, 0xed, 0x1b, 0x97, 0x39, 0xb0, 0x26, 0x2a, 0x46, 0x3b, 0xcb, 0x3d, 0xc9, 0xb3, 0xbd, 0x23, 0x23, 0xa9, 0xba, 0xa4, 0x41, 0xca, 0x42, 0x77, 0x73, 0x83, 0xa8, 0xd4, 0x35, 0xa6, 0xc5, 0x92, 0x5a, 0x0f, 0x85, 0xfa, 0x4f, 0x1e, 0x40, 0x5e, 0x3a, 0x49, 0x70, 0xd0, 0xc4, 0xa4, 0xb4, 0x81, 0x44, 0x38, 0xf4, 0xe9, 0xd4, 0x52, 0x0e, 0x20, 0xf7, 0xfd, 0xcf, 0x38, 0x41, 0xf9, 0x12, 0x87, 0xc0, 0x6e, 0x30, 0xb6, 0x5e, 0xa1, 0xbd, 0xb7, 0x16, 0xb2, 0x31, 0xde, 0x67, 0x78, 0xa5, 0xd8, 0x0e, 0xe5, 0xcd, 0x9c, 0x06, 0x0d, 0x1a, 0xba, 0xca, 0xe0, 0xaa, 0xe2, 0x3b, 0xdd, 0xba, 0xc2, 0xa4, 0x93, 0xf5, 0x3c, 0x3b, 0x09, 0x33, 0xd9, 0x13, 0xde, 0xf8, 0x88, 0x48, 0x65, 0x4c, 0x08, 0x7c, 0x12, 0x60, 0x9d, 0xf0, 0x1b, 0xaf, 0x94, 0x05, 0xce, 0x78, 0x04, 0xfd, 0x60, 0x2c, 0xd3, 0x17, 0xb7, 0xce, 0xa1, 0x1e, 0x8c, 0xc7, 0xae, 0x2e, 0xa4, 0x05, 0xb4, 0x0d, 0x46, 0xb1, 0x59, 0x2a, 0x30, 0xf0, 0xcb, 0x6e, 0x8c, 0x4f, 0x17, 0xd7, 0xf7, 0xc4, 0x7f, 0xeb
],
},
TestVector {
ask: None,
@ -185,6 +245,20 @@
]),
d2: None,
dmax: None,
internal_nsk: None,
internal_ovk: [
0xdd, 0xba, 0xc2, 0xa4, 0x93, 0xf5, 0x3c, 0x3b, 0x09, 0x33, 0xd9, 0x13, 0xde, 0xf8, 0x88, 0x48, 0x65, 0x4c, 0x08, 0x7c, 0x12, 0x60, 0x9d, 0xf0, 0x1b, 0xaf, 0x94, 0x05, 0xce, 0x78, 0x04, 0xfd
],
internal_dk: [
0x60, 0x2c, 0xd3, 0x17, 0xb7, 0xce, 0xa1, 0x1e, 0x8c, 0xc7, 0xae, 0x2e, 0xa4, 0x05, 0xb4, 0x0d, 0x46, 0xb1, 0x59, 0x2a, 0x30, 0xf0, 0xcb, 0x6e, 0x8c, 0x4f, 0x17, 0xd7, 0xf7, 0xc4, 0x7f, 0xeb
],
internal_nk: [
0xf9, 0x12, 0x87, 0xc0, 0x6e, 0x30, 0xb6, 0x5e, 0xa1, 0xbd, 0xb7, 0x16, 0xb2, 0x31, 0xde, 0x67, 0x78, 0xa5, 0xd8, 0x0e, 0xe5, 0xcd, 0x9c, 0x06, 0x0d, 0x1a, 0xba, 0xca, 0xe0, 0xaa, 0xe2, 0x3b
],
internal_xsk: None,
internal_xfvk: [
0x02, 0x48, 0xc1, 0x83, 0x75, 0x02, 0x00, 0x00, 0x80, 0x97, 0xce, 0x15, 0xf4, 0xed, 0x1b, 0x97, 0x39, 0xb0, 0x26, 0x2a, 0x46, 0x3b, 0xcb, 0x3d, 0xc9, 0xb3, 0xbd, 0x23, 0x23, 0xa9, 0xba, 0xa4, 0x41, 0xca, 0x42, 0x77, 0x73, 0x83, 0xa8, 0xd4, 0x35, 0xa6, 0xc5, 0x92, 0x5a, 0x0f, 0x85, 0xfa, 0x4f, 0x1e, 0x40, 0x5e, 0x3a, 0x49, 0x70, 0xd0, 0xc4, 0xa4, 0xb4, 0x81, 0x44, 0x38, 0xf4, 0xe9, 0xd4, 0x52, 0x0e, 0x20, 0xf7, 0xfd, 0xcf, 0x38, 0x41, 0xf9, 0x12, 0x87, 0xc0, 0x6e, 0x30, 0xb6, 0x5e, 0xa1, 0xbd, 0xb7, 0x16, 0xb2, 0x31, 0xde, 0x67, 0x78, 0xa5, 0xd8, 0x0e, 0xe5, 0xcd, 0x9c, 0x06, 0x0d, 0x1a, 0xba, 0xca, 0xe0, 0xaa, 0xe2, 0x3b, 0xdd, 0xba, 0xc2, 0xa4, 0x93, 0xf5, 0x3c, 0x3b, 0x09, 0x33, 0xd9, 0x13, 0xde, 0xf8, 0x88, 0x48, 0x65, 0x4c, 0x08, 0x7c, 0x12, 0x60, 0x9d, 0xf0, 0x1b, 0xaf, 0x94, 0x05, 0xce, 0x78, 0x04, 0xfd, 0x60, 0x2c, 0xd3, 0x17, 0xb7, 0xce, 0xa1, 0x1e, 0x8c, 0xc7, 0xae, 0x2e, 0xa4, 0x05, 0xb4, 0x0d, 0x46, 0xb1, 0x59, 0x2a, 0x30, 0xf0, 0xcb, 0x6e, 0x8c, 0x4f, 0x17, 0xd7, 0xf7, 0xc4, 0x7f, 0xeb
],
},
TestVector {
ask: None,
@ -224,5 +298,19 @@
dmax: Some([
0x1a, 0x73, 0x0f, 0xeb, 0x00, 0x59, 0xcf, 0x1f, 0x5b, 0xde, 0xa8
]),
internal_nsk: None,
internal_ovk: [
0xbf, 0x19, 0xe2, 0x57, 0xdd, 0x83, 0x3e, 0x02, 0x94, 0xec, 0x2a, 0xcb, 0xdf, 0xa4, 0x0e, 0x14, 0x52, 0xf8, 0xe6, 0xa1, 0xf0, 0xc7, 0xf6, 0xf3, 0xab, 0xe5, 0x6a, 0xfd, 0x5f, 0x6e, 0x26, 0x18
],
internal_dk: [
0x1f, 0xfd, 0x6f, 0x81, 0xfe, 0x85, 0xc4, 0x9f, 0xe3, 0xe7, 0x3e, 0xf7, 0x3e, 0x50, 0x11, 0x38, 0x22, 0xca, 0x62, 0x67, 0x31, 0x2b, 0x7a, 0xce, 0xd0, 0xc1, 0x56, 0xa3, 0x2b, 0x3f, 0x24, 0x38
],
internal_nk: [
0x82, 0x2f, 0x2f, 0x70, 0x96, 0x0f, 0x05, 0xd6, 0x96, 0x74, 0x58, 0xe3, 0x92, 0x10, 0xd5, 0x77, 0x1f, 0x98, 0x47, 0xae, 0xf9, 0xe3, 0x4d, 0x94, 0xb8, 0xaf, 0xbf, 0x95, 0xbb, 0xc4, 0xd2, 0x27
],
internal_xsk: None,
internal_xfvk: [
0x03, 0x2e, 0x08, 0x15, 0x6d, 0x03, 0x00, 0x00, 0x00, 0x8d, 0x93, 0x7b, 0xcf, 0x81, 0xba, 0x43, 0x0d, 0x5b, 0x49, 0xaf, 0xc0, 0xa4, 0x03, 0x36, 0x7b, 0x1f, 0xd9, 0x98, 0x79, 0xec, 0xba, 0x41, 0xbe, 0x05, 0x1c, 0x5a, 0x4a, 0xa7, 0xd6, 0xe7, 0xe8, 0xb1, 0x85, 0xc5, 0x7b, 0x50, 0x9c, 0x25, 0x36, 0xc4, 0xf2, 0xd3, 0x26, 0xd7, 0x66, 0xc8, 0xfa, 0xb2, 0x54, 0x47, 0xde, 0x53, 0x75, 0xa9, 0x32, 0x8d, 0x64, 0x9d, 0xda, 0xbd, 0x97, 0xa6, 0xa3, 0x82, 0x2f, 0x2f, 0x70, 0x96, 0x0f, 0x05, 0xd6, 0x96, 0x74, 0x58, 0xe3, 0x92, 0x10, 0xd5, 0x77, 0x1f, 0x98, 0x47, 0xae, 0xf9, 0xe3, 0x4d, 0x94, 0xb8, 0xaf, 0xbf, 0x95, 0xbb, 0xc4, 0xd2, 0x27, 0xbf, 0x19, 0xe2, 0x57, 0xdd, 0x83, 0x3e, 0x02, 0x94, 0xec, 0x2a, 0xcb, 0xdf, 0xa4, 0x0e, 0x14, 0x52, 0xf8, 0xe6, 0xa1, 0xf0, 0xc7, 0xf6, 0xf3, 0xab, 0xe5, 0x6a, 0xfd, 0x5f, 0x6e, 0x26, 0x18, 0x1f, 0xfd, 0x6f, 0x81, 0xfe, 0x85, 0xc4, 0x9f, 0xe3, 0xe7, 0x3e, 0xf7, 0x3e, 0x50, 0x11, 0x38, 0x22, 0xca, 0x62, 0x67, 0x31, 0x2b, 0x7a, 0xce, 0xd0, 0xc1, 0x56, 0xa3, 0x2b, 0x3f, 0x24, 0x38
],
},
];

View File

@ -60,6 +60,16 @@ class ExtendedSpendingKey(DerivedAkNk, DerivedIvk, ExtendedBase):
self._parent_tag = parent_tag
self._i = i
def __eq__(self, other):
return (self._ask == other._ask and
self._nsk == other._nsk and
self._ovk == other._ovk and
self._dk == other._dk and
self._c == other._c and
self._depth == other._depth and
self._parent_tag == other._parent_tag and
self._i == other._i)
@classmethod
def master(cls, S):
I = blake2b(person=b'ZcashIP32Sapling', data=S).digest()
@ -111,6 +121,19 @@ class ExtendedSpendingKey(DerivedAkNk, DerivedIvk, ExtendedBase):
c_i = I_R
return self.__class__(ask_i, nsk_i, ovk_i, dk_i, c_i, self.depth()+1, self.tag(), i)
def internal(self):
FVK = encode_xfvk_parts(self.ak(), self.nk(), self.ovk(), self.dk())
I = blake2b(person=b'Zcash_SaplingInt', digest_size=32, data=FVK).digest()
I_nsk = to_scalar(prf_expand(I, b'\x17'))
R = prf_expand(I, b'\x18')
nsk_internal = I_nsk + self.nsk()
dk_internal = R[:32]
ovk_internal = R[32:]
internal = self.__class__(self.ask(), nsk_internal, ovk_internal, dk_internal, self._c, self.depth(), self.tag(), self._i)
# check commutative diagram
assert internal.to_extended_fvk() == self.to_extended_fvk().internal()
return internal
class ExtendedFullViewingKey(DerivedIvk, ExtendedBase):
def __init__(self, ak, nk, ovk, dk, c, depth=0, parent_tag=i2leosp(32, 0), i=0):
@ -123,6 +146,16 @@ class ExtendedFullViewingKey(DerivedIvk, ExtendedBase):
self._parent_tag = parent_tag
self._i = i
def __eq__(self, other):
return (self._ak == other._ak and
self._nk == other._nk and
self._ovk == other._ovk and
self._dk == other._dk and
self._c == other._c and
self._depth == other._depth and
self._parent_tag == other._parent_tag and
self._i == other._i)
@classmethod
def master(cls, S):
return ExtendedSpendingKey.master(S).to_extended_fvk()
@ -170,6 +203,17 @@ class ExtendedFullViewingKey(DerivedIvk, ExtendedBase):
c_i = I_R
return self.__class__(ak_i, nk_i, ovk_i, dk_i, c_i, self.depth()+1, self.tag(), i)
def internal(self):
FVK = encode_xfvk_parts(self.ak(), self.nk(), self.ovk(), self.dk())
I = blake2b(person=b'Zcash_SaplingInt', digest_size=32, data=FVK).digest()
I_nsk = to_scalar(prf_expand(I, b'\x17'))
R = prf_expand(I, b'\x18')
nk_internal = PROVING_KEY_BASE * I_nsk + self.nk()
dk_internal = R[:32]
ovk_internal = R[32:]
return self.__class__(self.ak(), nk_internal, ovk_internal, dk_internal, self._c, self.depth(), self.tag(), self._i)
def hardened(i):
assert(i < (1<<31))
return i + (1<<31)
@ -184,6 +228,7 @@ def main():
m_1_2hv = m_1_2h.to_extended_fvk()
m_1_2hv_3 = m_1_2hv.child(3)
keys_and_internals = [(k, k.internal()) for k in (m, m_1, m_1_2h, m_1_2hv, m_1_2hv_3)]
test_vectors = [
{'ask' : Some(bytes(k.ask())) if k.is_xsk() else None,
'nsk' : Some(bytes(k.nsk())) if k.is_xsk() else None,
@ -200,8 +245,14 @@ def main():
'd1' : option(k.diversifier(1)),
'd2' : option(k.diversifier(2)),
'dmax': option(k.diversifier((1<<88)-1)),
'internal_nsk' : Some(bytes(internal.nsk())) if internal.is_xsk() else None,
'internal_ovk' : bytes(internal.ovk()),
'internal_dk' : bytes(internal.dk()),
'internal_nk' : bytes(internal.nk()),
'internal_xsk' : Some(bytes(internal)) if internal.is_xsk() else None,
'internal_xfvk': bytes(internal.to_extended_fvk()),
}
for k in (m, m_1, m_1_2h, m_1_2hv, m_1_2hv_3)
for (k, internal) in keys_and_internals
]
render_tv(
@ -223,6 +274,12 @@ def main():
('d1', 'Option<[u8; 11]>'),
('d2', 'Option<[u8; 11]>'),
('dmax','Option<[u8; 11]>'),
('internal_nsk', 'Option<[u8; 32]>'),
('internal_ovk', '[u8; 32]'),
('internal_dk', '[u8; 32]'),
('internal_nk', '[u8; 32]'),
('internal_xsk', 'Option<[u8; 169]>'),
('internal_xfvk','[u8; 169]'),
),
test_vectors,
)