[enhancement] Migrated encoding to dedicated submodule

crypto/dcc/dcc.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/TheManticoreProject/Manticore/crypto/md4"
 	"github.com/TheManticoreProject/Manticore/crypto/nt"
-	"github.com/TheManticoreProject/Manticore/utils/encoding/utf16"
+	"github.com/TheManticoreProject/Manticore/encoding/utf16"
 
 	"encoding/hex"
 	"strings"

crypto/dcc2/dcc2.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/TheManticoreProject/Manticore/crypto/md4"
 	"github.com/TheManticoreProject/Manticore/crypto/nt"
-	"github.com/TheManticoreProject/Manticore/utils/encoding/utf16"
+	"github.com/TheManticoreProject/Manticore/encoding/utf16"
 	"golang.org/x/crypto/pbkdf2"
 )
 

crypto/gppp/gppp.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 
 	"github.com/TheManticoreProject/Manticore/crypto/pkcs7"
-	"github.com/TheManticoreProject/Manticore/utils/encoding/utf16"
+	"github.com/TheManticoreProject/Manticore/encoding/utf16"
 )
 
 // AES Key as per the Microsoft documentation

crypto/nt/nt.go

@@ -5,7 +5,7 @@ import (
 	"strings"
 
 	"github.com/TheManticoreProject/Manticore/crypto/md4"
-	"github.com/TheManticoreProject/Manticore/utils/encoding/utf16"
+	"github.com/TheManticoreProject/Manticore/encoding/utf16"
 )
 
 // NTHash computes the NT hash of a password string

crypto/ntlmv2/ntlmv2_ctx.go

@@ -9,7 +9,7 @@ import (
 
 	"github.com/TheManticoreProject/Manticore/crypto/lm"
 	"github.com/TheManticoreProject/Manticore/crypto/nt"
-	"github.com/TheManticoreProject/Manticore/utils/encoding/utf16"
+	"github.com/TheManticoreProject/Manticore/encoding/utf16"
 )
 
 // NTLMv2 represents the components needed for NTLMv2 authentication

crypto/spnego/authcontext.go

@@ -2,7 +2,7 @@ package spnego
 
 import (
 	"github.com/TheManticoreProject/Manticore/crypto/spnego/ntlm/message/challenge"
-	"github.com/TheManticoreProject/Manticore/utils/encoding/utf16"
+	"github.com/TheManticoreProject/Manticore/encoding/utf16"
 )
 
 // AuthType represents the authentication type

crypto/spnego/ntlm/message/authenticate/authenticate.go

@@ -14,7 +14,7 @@ import (
 	"github.com/TheManticoreProject/Manticore/crypto/spnego/ntlm/message/negotiate/flags"
 	"github.com/TheManticoreProject/Manticore/crypto/spnego/ntlm/message/types"
 	"github.com/TheManticoreProject/Manticore/crypto/spnego/ntlm/version"
-	"github.com/TheManticoreProject/Manticore/utils/encoding/utf16"
+	"github.com/TheManticoreProject/Manticore/encoding/utf16"
 )
 
 // AuthenticateMessage is the third message in NTLM authentication

crypto/spnego/ntlm/message/negotiate/negotiate.go

@@ -10,7 +10,7 @@ import (
 	"github.com/TheManticoreProject/Manticore/crypto/spnego/ntlm/message/negotiate/flags"
 	"github.com/TheManticoreProject/Manticore/crypto/spnego/ntlm/message/types"
 	"github.com/TheManticoreProject/Manticore/crypto/spnego/ntlm/version"
-	"github.com/TheManticoreProject/Manticore/utils/encoding/utf16"
+	"github.com/TheManticoreProject/Manticore/encoding/utf16"
 )
 
 // NegotiateMessage is the first message in NTLM authentication

encoding/ascii/ascii.go

@@ -0,0 +1,29 @@
+package ascii
+
+// asciiCharset contains all 256 ASCII byte values from 0x00 to 0xFF
+var asciiCharset = []uint8{
+	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
+	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+	0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+	0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
+}
+
+// GetAsciiCharset returns a copy of the ASCII charset containing all 256 byte values from 0x00 to 0xFF.
+// This function returns a copy to prevent accidental mutation of the internal charset.
+func GetAsciiCharset() []uint8 {
+	result := make([]uint8, len(asciiCharset))
+	copy(result, asciiCharset)
+	return result
+}

encoding/ascii/ascii_test.go

@@ -0,0 +1,12 @@
+package ascii
+
+import "testing"
+
+func TestASCIICharset(t *testing.T) {
+	charset := GetAsciiCharset()
+	for i := 0; i < 256; i++ {
+		if charset[i] != uint8(i) {
+			t.Errorf("AsciiCharset[%d] = %d; expected %d", i, charset[i], uint8(i))
+		}
+	}
+}

encoding/ebcdic/cp037/cp037.go

@@ -0,0 +1,55 @@
+package cp037
+
+// AsciiToEbcdicCp037Map
+var AsciiToEbcdicCp037Map = [...]uint8{
+	0x00, 0x01, 0x02, 0x03, 0x9c, 0x09, 0x86, 0x7f, 0x97, 0x8d, 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+	0x10, 0x11, 0x12, 0x13, 0x9d, 0x85, 0x08, 0x87, 0x18, 0x19, 0x92, 0x8f, 0x1c, 0x1d, 0x1e, 0x1f,
+	0x80, 0x81, 0x82, 0x83, 0x84, 0x0a, 0x17, 0x1b, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07,
+	0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, 0x98, 0x99, 0x9a, 0x9b, 0x14, 0x15, 0x9e, 0x1a,
+	0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1, 0xe3, 0xe5, 0xe7, 0xf1, 0xa2, 0x2e, 0x3c, 0x28, 0x2b, 0x7c,
+	0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef, 0xec, 0xdf, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0xac,
+	0x2d, 0x2f, 0xc2, 0xc4, 0xc0, 0xc1, 0xc3, 0xc5, 0xc7, 0xd1, 0xa6, 0x2c, 0x25, 0x5f, 0x3e, 0x3f,
+	0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf, 0xcc, 0x60, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22,
+	0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1,
+	0xb0, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8, 0xc6, 0xa4,
+	0xb5, 0x7e, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0xdd, 0xde, 0xae,
+	0x5e, 0xa3, 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc, 0xbd, 0xbe, 0x5b, 0x5d, 0xaf, 0xa8, 0xb4, 0xd7,
+	0x7b, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5,
+	0x7d, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0xb9, 0xfb, 0xfc, 0xf9, 0xfa, 0xff,
+	0x5c, 0xf7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2, 0xd3, 0xd5,
+	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0xb3, 0xdb, 0xdc, 0xd9, 0xda, 0x9f,
+}
+
+// EbcdicCp037ToAsciiMap
+var EbcdicCp037ToAsciiMap = [...]uint8{
+	0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f, 0x16, 0x05, 0x25, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+	0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26, 0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f,
+	0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d, 0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61,
+	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f,
+	0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6,
+	0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xba, 0xe0, 0xbb, 0xb0, 0x6d,
+	0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
+	0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xc0, 0x4f, 0xd0, 0xa1, 0x07,
+	0x20, 0x21, 0x22, 0x23, 0x24, 0x15, 0x06, 0x17, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x09, 0x0a, 0x1b,
+	0x30, 0x31, 0x1a, 0x33, 0x34, 0x35, 0x36, 0x08, 0x38, 0x39, 0x3a, 0x3b, 0x04, 0x14, 0x3e, 0xff,
+	0x41, 0xaa, 0x4a, 0xb1, 0x9f, 0xb2, 0x6a, 0xb5, 0xbd, 0xb4, 0x9a, 0x8a, 0x5f, 0xca, 0xaf, 0xbc,
+	0x90, 0x8f, 0xea, 0xfa, 0xbe, 0xa0, 0xb6, 0xb3, 0x9d, 0xda, 0x9b, 0x8b, 0xb7, 0xb8, 0xb9, 0xab,
+	0x64, 0x65, 0x62, 0x66, 0x63, 0x67, 0x9e, 0x68, 0x74, 0x71, 0x72, 0x73, 0x78, 0x75, 0x76, 0x77,
+	0xac, 0x69, 0xed, 0xee, 0xeb, 0xef, 0xec, 0xbf, 0x80, 0xfd, 0xfe, 0xfb, 0xfc, 0xad, 0xae, 0x59,
+	0x44, 0x45, 0x42, 0x46, 0x43, 0x47, 0x9c, 0x48, 0x54, 0x51, 0x52, 0x53, 0x58, 0x55, 0x56, 0x57,
+	0x8c, 0x49, 0xcd, 0xce, 0xcb, 0xcf, 0xcc, 0xe1, 0x70, 0xdd, 0xde, 0xdb, 0xdc, 0x8d, 0x8e, 0xdf,
+}
+
+func EbcdicCp037ToAscii(b []uint8) []uint8 {
+	for i, v := range b {
+		b[i] = EbcdicCp037ToAsciiMap[v]
+	}
+	return b
+}
+
+func AsciiToEbcdicCp037(b []uint8) []uint8 {
+	for i, v := range b {
+		b[i] = AsciiToEbcdicCp037Map[v]
+	}
+	return b
+}

encoding/ebcdic/cp037/cp037_test.go

@@ -0,0 +1,34 @@
+package cp037_test
+
+import (
+	"testing"
+
+	"github.com/TheManticoreProject/Manticore/encoding/ascii"
+	"github.com/TheManticoreProject/Manticore/encoding/ebcdic/cp037"
+)
+
+func TestCp037ToAsciiMap(t *testing.T) {
+	asciiCharset := ascii.GetAsciiCharset()
+	result := cp037.EbcdicCp037ToAscii(asciiCharset)
+	if len(result) != len(cp037.EbcdicCp037ToAsciiMap[:]) {
+		t.Fatalf("Result length mismatch, got %d expected %d", len(result), len(cp037.EbcdicCp037ToAsciiMap[:]))
+	}
+	for i, v := range cp037.EbcdicCp037ToAsciiMap[:] {
+		if result[i] != v {
+			t.Errorf("Ebcdiccp037ToAscii failed at index %d: got %v, expected %v", i, result[i], v)
+		}
+	}
+}
+
+func TestAsciiToCp037Map(t *testing.T) {
+	asciiCharset := ascii.GetAsciiCharset()
+	result := cp037.AsciiToEbcdicCp037(asciiCharset)
+	if len(result) != len(cp037.AsciiToEbcdicCp037Map[:]) {
+		t.Fatalf("Result length mismatch, got %d expected %d", len(result), len(cp037.AsciiToEbcdicCp037Map[:]))
+	}
+	for i, v := range cp037.AsciiToEbcdicCp037Map[:] {
+		if result[i] != v {
+			t.Errorf("Ebcdiccp037ToAscii failed at index %d: got %v, expected %v", i, result[i], v)
+		}
+	}
+}

encoding/ebcdic/cp500/cp500.go

@@ -0,0 +1,55 @@
+package cp500
+
+// AsciiToEbcdicCp500Map
+var AsciiToEbcdicCp500Map = []uint8{
+	0x00, 0x01, 0x02, 0x03, 0x9c, 0x09, 0x86, 0x7f, 0x97, 0x8d, 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+	0x10, 0x11, 0x12, 0x13, 0x9d, 0x85, 0x08, 0x87, 0x18, 0x19, 0x92, 0x8f, 0x1c, 0x1d, 0x1e, 0x1f,
+	0x80, 0x81, 0x82, 0x83, 0x84, 0x0a, 0x17, 0x1b, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07,
+	0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, 0x98, 0x99, 0x9a, 0x9b, 0x14, 0x15, 0x9e, 0x1a,
+	0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1, 0xe3, 0xe5, 0xe7, 0xf1, 0x5b, 0x2e, 0x3c, 0x28, 0x2b, 0x21,
+	0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef, 0xec, 0xdf, 0x5d, 0x24, 0x2a, 0x29, 0x3b, 0x5e,
+	0x2d, 0x2f, 0xc2, 0xc4, 0xc0, 0xc1, 0xc3, 0xc5, 0xc7, 0xd1, 0xa6, 0x2c, 0x25, 0x5f, 0x3e, 0x3f,
+	0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf, 0xcc, 0x60, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22,
+	0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1,
+	0xb0, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8, 0xc6, 0xa4,
+	0xb5, 0x7e, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0xdd, 0xde, 0xae,
+	0xa2, 0xa3, 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc, 0xbd, 0xbe, 0xac, 0x7c, 0xaf, 0xa8, 0xb4, 0xd7,
+	0x7b, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5,
+	0x7d, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0xb9, 0xfb, 0xfc, 0xf9, 0xfa, 0xff,
+	0x5c, 0xf7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2, 0xd3, 0xd5,
+	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0xb3, 0xdb, 0xdc, 0xd9, 0xda, 0x9f,
+}
+
+// EbcdicCp500ToAsciiMap
+var EbcdicCp500ToAsciiMap = []uint8{
+	0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f, 0x16, 0x05, 0x25, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+	0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26, 0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f,
+	0x40, 0x4f, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d, 0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61,
+	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f,
+	0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6,
+	0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0x4a, 0xe0, 0x5a, 0x5f, 0x6d,
+	0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
+	0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xc0, 0xbb, 0xd0, 0xa1, 0x07,
+	0x20, 0x21, 0x22, 0x23, 0x24, 0x15, 0x06, 0x17, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x09, 0x0a, 0x1b,
+	0x30, 0x31, 0x1a, 0x33, 0x34, 0x35, 0x36, 0x08, 0x38, 0x39, 0x3a, 0x3b, 0x04, 0x14, 0x3e, 0xff,
+	0x41, 0xaa, 0xb0, 0xb1, 0x9f, 0xb2, 0x6a, 0xb5, 0xbd, 0xb4, 0x9a, 0x8a, 0xba, 0xca, 0xaf, 0xbc,
+	0x90, 0x8f, 0xea, 0xfa, 0xbe, 0xa0, 0xb6, 0xb3, 0x9d, 0xda, 0x9b, 0x8b, 0xb7, 0xb8, 0xb9, 0xab,
+	0x64, 0x65, 0x62, 0x66, 0x63, 0x67, 0x9e, 0x68, 0x74, 0x71, 0x72, 0x73, 0x78, 0x75, 0x76, 0x77,
+	0xac, 0x69, 0xed, 0xee, 0xeb, 0xef, 0xec, 0xbf, 0x80, 0xfd, 0xfe, 0xfb, 0xfc, 0xad, 0xae, 0x59,
+	0x44, 0x45, 0x42, 0x46, 0x43, 0x47, 0x9c, 0x48, 0x54, 0x51, 0x52, 0x53, 0x58, 0x55, 0x56, 0x57,
+	0x8c, 0x49, 0xcd, 0xce, 0xcb, 0xcf, 0xcc, 0xe1, 0x70, 0xdd, 0xde, 0xdb, 0xdc, 0x8d, 0x8e, 0xdf,
+}
+
+func EbcdicCp500ToAscii(b []uint8) []uint8 {
+	for i, v := range b {
+		b[i] = EbcdicCp500ToAsciiMap[v]
+	}
+	return b
+}
+
+func AsciiToEbcdicCp500(b []uint8) []uint8 {
+	for i, v := range b {
+		b[i] = AsciiToEbcdicCp500Map[v]
+	}
+	return b
+}

encoding/ebcdic/cp500/cp500_test.go

@@ -0,0 +1,34 @@
+package cp500_test
+
+import (
+	"testing"
+
+	"github.com/TheManticoreProject/Manticore/encoding/ascii"
+	"github.com/TheManticoreProject/Manticore/encoding/ebcdic/cp500"
+)
+
+func TestCp500ToAsciiMap(t *testing.T) {
+	asciiCharset := ascii.GetAsciiCharset()
+	result := cp500.EbcdicCp500ToAscii(asciiCharset)
+	if len(result) != len(cp500.EbcdicCp500ToAsciiMap[:]) {
+		t.Fatalf("Result length mismatch, got %d expected %d", len(result), len(cp500.EbcdicCp500ToAsciiMap[:]))
+	}
+	for i, v := range cp500.EbcdicCp500ToAsciiMap[:] {
+		if result[i] != v {
+			t.Errorf("Ebcdiccp500ToAscii failed at index %d: got %v, expected %v", i, result[i], v)
+		}
+	}
+}
+
+func TestAsciiToCp500Map(t *testing.T) {
+	asciiCharset := ascii.GetAsciiCharset()
+	result := cp500.AsciiToEbcdicCp500(asciiCharset)
+	if len(result) != len(cp500.AsciiToEbcdicCp500Map[:]) {
+		t.Fatalf("Result length mismatch, got %d expected %d", len(result), len(cp500.AsciiToEbcdicCp500Map[:]))
+	}
+	for i, v := range cp500.AsciiToEbcdicCp500Map[:] {
+		if result[i] != v {
+			t.Errorf("Ebcdiccp500ToAscii failed at index %d: got %v, expected %v", i, result[i], v)
+		}
+	}
+}

encoding/ebcdic/ebcdic.go

@@ -0,0 +1,44 @@
+package ebcdic
+
+import (
+	"fmt"
+
+	"github.com/TheManticoreProject/Manticore/encoding/ebcdic/cp037"
+	"github.com/TheManticoreProject/Manticore/encoding/ebcdic/cp500"
+)
+
+var AvailableCodepages = []string{
+	"cp037",
+	"cp500",
+}
+
+var CodepageToEbcdicToAsciiMap = map[string][]uint8{
+	"cp037": cp037.EbcdicCp037ToAsciiMap[:],
+	"cp500": cp500.EbcdicCp500ToAsciiMap[:],
+}
+var CodepageToAsciiToEbcdicMap = map[string][]uint8{
+	"cp037": cp037.AsciiToEbcdicCp037Map[:],
+	"cp500": cp500.AsciiToEbcdicCp500Map[:],
+}
+
+func EbcdicToAscii(codepage string, b []uint8) ([]uint8, error) {
+	ebcdicToAsciiMap, ok := CodepageToEbcdicToAsciiMap[codepage]
+	if !ok {
+		return nil, fmt.Errorf("codepage %s not found", codepage)
+	}
+	for i, v := range b {
+		b[i] = ebcdicToAsciiMap[v]
+	}
+	return b, nil
+}
+
+func AsciiToEbcdic(codepage string, b []uint8) ([]uint8, error) {
+	asciiToEbcdicMap, ok := CodepageToAsciiToEbcdicMap[codepage]
+	if !ok {
+		return nil, fmt.Errorf("codepage %s not found", codepage)
+	}
+	for i, v := range b {
+		b[i] = asciiToEbcdicMap[v]
+	}
+	return b, nil
+}