coolaj86
commented
2 years ago Reference Base62 Strings
Raw : Hello, 世界 (13 bytes)
Base64: SGVsbG8sIOS4lueVjA (18 chars)
Base62: 1wJfrzvdbuFbL65vcS (18 chars)
Raw : Hello World (11 bytes)
Base64: SGVsbG8gV29ybGQ (15 chars)
Base62: 73XpUgyMwkGr29M (15 chars)
Raw : [0] (1 bytes)
Base64: AA (2 chars)
Base62: 00 (2 chars)
Raw : [0 0 0 0 0 0 0 0 0 0 0 0] (12 bytes)
Base64: AAAAAAAAAAAAAAAA (16 chars)
Base62: 00000000000000000 (17 chars)
Raw : [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] (24 bytes)
Base64: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA (32 chars)
Base62: 000000000000000000000000000000000 (33 chars)
Raw : [0 0 0 0 255 255 255 255] (8 bytes)
Base64: AAAAAP____8 (11 chars)
Base62: 000004gfFC3 (11 chars)
Raw : [255 255 255 255 0 0 0 0] (8 bytes)
Base64: _____wAAAAA (11 chars)
Base62: LygHZwPV2MC (11 chars)Test Code Reference
package main
import (
"encoding/base64"
"fmt"
"github.com/keybase/saltpack/encoding/basex"
)
func main() {
for _, src := range [][]byte{
[]byte("Hello, 世界"),
[]byte("Hello World"),
{0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 255, 255, 255, 255},
{255, 255, 255, 255, 0, 0, 0, 0},
} {
b62 := basex.Base62StdEncoding.EncodeToString(src)
b64 := base64.RawURLEncoding.EncodeToString(src)
if src[0] == 0x0 || src[1] == 255 {
fmt.Printf("Raw : %v (%d bytes)\n", src, len(src))
} else {
fmt.Printf("Raw : %v (%d bytes)\n", string(src), len(src))
}
fmt.Printf("Base64: %s (%d chars)\n", b64, len(b64))
fmt.Printf("Base62: %s (%d chars)\n", b62, len(b62))
fmt.Println("")
}
}
It seems that the algorithms associated with "base_x", GMP, GnuPG, and Bitcoin Base58 all seem to agree: \ (at least in simple tests of a few dozen bytes or less)
Disagree
Unknown