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crypto/rsa: add EncryptNoPadding/DecryptNoPadding

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This commit is contained in:
fusion32 2023-10-25 00:54:13 -03:00
parent f09db2bb93
commit 26624a44af
2 changed files with 333 additions and 0 deletions
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33
src/crypto/rsa/rsa.go
View File

@ -495,6 +495,25 @@ func encrypt(pub *PublicKey, plaintext []byte) ([]byte, error) {
return bigmod.NewNat().ExpShort(m, e, N).Bytes(N), nil return bigmod.NewNat().ExpShort(m, e, N).Bytes(N), nil
} }
// EncryptNoPadding encrypts plaintext using no padding scheme.
//
// The given plaintext will be left-padded with zeros if it's smaller than
// pub.Size(). This needs to be considered when using [DecryptNoPadding]
// to retrieve the original message.
//
// WARNING: This should only be used to implement cryptographically sound
// padding schemes in the application code. Encrypting user data directly
// with this function is insecure.
func EncryptNoPadding(pub *PublicKey, plaintext []byte) ([]byte, error) {
if err := checkPub(pub); err != nil {
return nil, err
}
if len(plaintext) > pub.Size() {
return nil, ErrMessageTooLong
}
return encrypt(pub, plaintext)
}
// EncryptOAEP encrypts the given message with RSA-OAEP. // EncryptOAEP encrypts the given message with RSA-OAEP.
// //
// OAEP is parameterised by a hash function that is used as a random oracle. // OAEP is parameterised by a hash function that is used as a random oracle.
@ -695,6 +714,20 @@ func decrypt(priv *PrivateKey, ciphertext []byte, check bool) ([]byte, error) {
return m.Bytes(N), nil return m.Bytes(N), nil
} }
// DecryptNoPadding decrypts ciphertext using no padding scheme.
//
// The returned plaintext (assuming no errors) will be left-padded with
// zeros to match priv.Size() bytes. See [EncryptNoPadding] for details.
func DecryptNoPadding(priv *PrivateKey, ciphertext []byte) ([]byte, error) {
if err := checkPub(&priv.PublicKey); err != nil {
return nil, err
}
if len(ciphertext) > priv.Size() {
return nil, ErrDecryption
}
return decrypt(priv, ciphertext, noCheck)
}
// DecryptOAEP decrypts ciphertext using RSA-OAEP. // DecryptOAEP decrypts ciphertext using RSA-OAEP.
// //
// OAEP is parameterised by a hash function that is used as a random oracle. // OAEP is parameterised by a hash function that is used as a random oracle.

300
src/crypto/rsa/rsa_test.go
View File

@ -880,3 +880,303 @@ var testEncryptOAEPData = []testEncryptOAEPStruct{
}, },
}, },
} }
func TestEncryptDecryptNoPadding(t *testing.T) {
testData := []struct {
keyBits int
messages [][]byte
}{
{
keyBits: 1024,
messages: [][]byte{
{
0x48, 0xFE, 0x33, 0x2D, 0xA2, 0xFD, 0xA4, 0x39,
0x4A, 0x4D, 0x5B, 0x10, 0x69, 0x79, 0x66, 0x55,
},
{
0xF9, 0xA4, 0xCE, 0x85, 0x20, 0xE2, 0xA3, 0xA5,
0x7D, 0xAF, 0x66, 0x71, 0x03, 0x55, 0xA5, 0xA7,
0x3B, 0x43, 0x69, 0x2A, 0xA1, 0x63, 0x71, 0x97,
0xCE, 0x22, 0xEF, 0x27, 0x8E, 0xEF, 0xE8, 0x19,
},
{
0x1A, 0x69, 0xC2, 0xBE, 0x7E, 0x3C, 0x55, 0xA1,
0xF8, 0xAD, 0x6C, 0xE0, 0xF8, 0x94, 0xCF, 0xB8,
0xF5, 0x60, 0xE2, 0xD5, 0x38, 0x24, 0x3B, 0xBD,
0x07, 0xA9, 0x99, 0x96, 0x97, 0x82, 0x6A, 0x8A,
0x09, 0xD7, 0x0C, 0x50, 0x79, 0x4F, 0x82, 0x4C,
0x6B, 0x16, 0x7B, 0x77, 0xD7, 0x32, 0x99, 0x03,
},
{
0x0B, 0xAE, 0x77, 0x84, 0xDD, 0x49, 0x31, 0x19,
0x75, 0xC7, 0x9D, 0x96, 0xC6, 0x44, 0xB9, 0x29,
0xB4, 0xA0, 0xE9, 0x84, 0x32, 0x39, 0xDF, 0xFD,
0x6F, 0xCC, 0x71, 0xDE, 0x13, 0x6A, 0xD7, 0xA3,
0xD4, 0xE6, 0x1E, 0x03, 0xF5, 0xC5, 0xA7, 0x3F,
0x00, 0xD9, 0x4A, 0xE4, 0xE0, 0xAA, 0x61, 0x37,
0x88, 0xD0, 0x9C, 0x18, 0x47, 0x74, 0xD9, 0xEB,
0xE6, 0x1F, 0xED, 0xBC, 0xF5, 0x06, 0x4D, 0x50,
},
{
0x94, 0xDC, 0x4B, 0x5F, 0x69, 0x7E, 0x6A, 0x80,
0x86, 0x4A, 0x97, 0x50, 0x80, 0x4B, 0x74, 0xC4,
0x01, 0x29, 0x81, 0xE5, 0xA4, 0xAE, 0x8D, 0xD5,
0x1E, 0xC8, 0xD0, 0x71, 0x00, 0xE4, 0x02, 0x44,
0xAD, 0x29, 0x1C, 0xDE, 0x59, 0x9E, 0x71, 0xF7,
0x08, 0x58, 0x6F, 0x66, 0xBB, 0x3C, 0x2A, 0x05,
0xD7, 0xDD, 0xD7, 0x59, 0x81, 0x81, 0xBE, 0x4A,
0xF6, 0x19, 0xF5, 0x31, 0x92, 0x49, 0xCE, 0xA9,
0xA0, 0xE4, 0xE9, 0x08, 0xFB, 0xF6, 0x76, 0x67,
0x98, 0x2E, 0xFD, 0x33, 0xF9, 0x5F, 0xFD, 0x29,
},
{
0xCD, 0x0E, 0x3B, 0x84, 0x5A, 0xF7, 0xF5, 0x06,
0x1E, 0xE3, 0x99, 0xAF, 0x86, 0x13, 0x6F, 0x8F,
0xC3, 0xB5, 0x39, 0x61, 0x9A, 0x2E, 0x18, 0xCB,
0x0C, 0x47, 0x53, 0x89, 0x96, 0x78, 0x85, 0xE2,
0xB3, 0xEF, 0x4E, 0x89, 0xE8, 0x0F, 0xDF, 0x4F,
0xF7, 0x42, 0x19, 0xBB, 0x71, 0x31, 0x97, 0x7D,
0xFC, 0x3C, 0xC1, 0x92, 0x20, 0x8C, 0x87, 0x4E,
0xC1, 0x74, 0x0B, 0xDA, 0xEF, 0xAB, 0x02, 0x0A,
0xAD, 0x5B, 0x01, 0x93, 0x68, 0x0E, 0x4C, 0xCE,
0x6E, 0x89, 0xB4, 0x99, 0x60, 0x85, 0x26, 0x89,
0x0A, 0x6F, 0x87, 0x12, 0x6B, 0xD6, 0x4B, 0xF1,
0xE6, 0x1B, 0x46, 0x1A, 0x0E, 0x41, 0x05, 0x6D,
},
{
0x60, 0x35, 0x91, 0x3D, 0xBE, 0x98, 0xFD, 0x34,
0xE5, 0x34, 0xC8, 0xE4, 0x0D, 0xCB, 0x9F, 0xE0,
0x58, 0xA3, 0x3B, 0x6D, 0x1E, 0x97, 0x7A, 0xF6,
0xE5, 0xCE, 0x5D, 0x75, 0xE6, 0x09, 0xA8, 0x67,
0xE8, 0x99, 0x32, 0x11, 0xB6, 0x87, 0x3A, 0xB0,
0x40, 0x18, 0x67, 0x30, 0xEF, 0x51, 0xD0, 0x4D,
0xB7, 0x48, 0x7D, 0x95, 0xDD, 0xF2, 0x47, 0x0F,
0xBB, 0x60, 0x8F, 0x7D, 0x63, 0xA4, 0xE8, 0xDD,
0x28, 0x31, 0x45, 0xE7, 0x93, 0x71, 0x1C, 0x84,
0xE3, 0xD4, 0xD9, 0x92, 0x2C, 0x5D, 0x57, 0x5B,
0x58, 0x8B, 0xC0, 0x64, 0x91, 0xFC, 0xCC, 0xA6,
0x40, 0xEB, 0x3B, 0x52, 0x6C, 0x6D, 0x4C, 0xCA,
0x11, 0x12, 0x56, 0xD3, 0x8F, 0xF8, 0x62, 0x9C,
0xAF, 0xAB, 0xC7, 0xE1, 0x3E, 0x4A, 0x2F, 0xAA,
},
{
0x00, 0xE7, 0x33, 0x00, 0xA9, 0x71, 0xF6, 0xEE,
0xF2, 0x45, 0x33, 0x84, 0x23, 0xB2, 0x41, 0x03,
0xF4, 0x3A, 0x02, 0x63, 0xC0, 0xB8, 0x2D, 0xF1,
0x1A, 0xB7, 0xE0, 0x80, 0x2E, 0xD6, 0x86, 0x57,
0x22, 0xD3, 0x6E, 0xC7, 0x4C, 0x46, 0xAD, 0xFE,
0x0F, 0x0A, 0xEB, 0xB9, 0x44, 0x9B, 0x22, 0x3C,
0x44, 0x92, 0x9B, 0xC7, 0xD1, 0x49, 0xE8, 0x0F,
0xE9, 0xBA, 0x95, 0x5B, 0xD6, 0x94, 0x5A, 0xC2,
0xAD, 0x99, 0x4C, 0x47, 0x57, 0xB6, 0xC5, 0x57,
0x4A, 0x42, 0xD6, 0x65, 0x24, 0x06, 0x88, 0x7D,
0xE1, 0xF6, 0xBA, 0x0A, 0x4B, 0x7A, 0x43, 0x52,
0x65, 0xCB, 0x8E, 0xA0, 0x6D, 0xAE, 0xDB, 0x5D,
0x9F, 0xC8, 0xC3, 0x52, 0x47, 0x6F, 0xE5, 0xFE,
0xCF, 0x51, 0x28, 0x06, 0x9D, 0x2C, 0xD6, 0xE1,
0xC0, 0xA2, 0xB2, 0x57, 0x4D, 0x5D, 0x9B, 0x90,
0x17, 0x4D, 0xD3, 0xCE, 0xCB, 0x85, 0x0E, 0xEC,
},
},
},
{
keyBits: 2048,
messages: [][]byte{
{
0xA8, 0xD8, 0x1C, 0xE0, 0x38, 0x7A, 0xE8, 0x5E,
0x3F, 0x5C, 0x4B, 0xF8, 0x70, 0x14, 0x61, 0x4B,
0x63, 0x99, 0x31, 0x6F, 0x93, 0xBE, 0xB1, 0xAF,
0xDC, 0x67, 0x5F, 0x7B, 0xC5, 0xDB, 0xAB, 0x35,
},
{
0x99, 0xA8, 0x7B, 0x18, 0xD8, 0x44, 0xFF, 0xA6,
0x1F, 0xA0, 0x90, 0x64, 0x2A, 0xE6, 0x12, 0x43,
0x3C, 0x4A, 0x70, 0x73, 0xC4, 0x01, 0x7D, 0x5C,
0x4E, 0xB6, 0xD7, 0x50, 0x64, 0xC0, 0xF2, 0x24,
0x6B, 0x4A, 0x08, 0xB5, 0xAD, 0x6D, 0x42, 0x25,
0x5E, 0x7B, 0x2B, 0x4C, 0xA3, 0x07, 0x93, 0x57,
0x4B, 0x3C, 0x1E, 0x4F, 0x1A, 0x68, 0x5F, 0xE0,
0x62, 0xE5, 0x23, 0xF0, 0x9E, 0xD0, 0x18, 0xA9,
},
{
0x6C, 0x51, 0x2A, 0x55, 0xDF, 0x74, 0x9C, 0x60,
0x53, 0x85, 0xF9, 0x4E, 0xFA, 0xDB, 0xA3, 0x25,
0x2D, 0x53, 0xC7, 0x03, 0x04, 0x04, 0x56, 0xEE,
0x04, 0x9D, 0x79, 0x7A, 0x0D, 0xF7, 0xA8, 0xEB,
0xBC, 0xC9, 0x82, 0x02, 0xCE, 0x03, 0xCA, 0x9E,
0x76, 0x88, 0xBD, 0x8E, 0xAF, 0x12, 0x70, 0xBA,
0x81, 0xAF, 0x00, 0xF7, 0xA2, 0x68, 0xAF, 0x66,
0xB1, 0xA4, 0xBC, 0x8C, 0x25, 0xCA, 0xE5, 0xA2,
0x26, 0x44, 0x92, 0x4B, 0x9D, 0x3D, 0xCF, 0x2B,
0x0F, 0x31, 0x84, 0xD2, 0x2F, 0x75, 0x33, 0xDB,
0xD0, 0x26, 0xDB, 0x74, 0x1E, 0xF3, 0x0C, 0x12,
0x6F, 0x87, 0x7D, 0xC2, 0x5F, 0x93, 0xF8, 0x5A,
},
{
0x71, 0x52, 0xA9, 0x2B, 0xB3, 0xDE, 0x88, 0xDE,
0x0A, 0x68, 0xB1, 0x3B, 0x4F, 0x48, 0x19, 0x61,
0xFC, 0x72, 0x56, 0x43, 0xB0, 0x58, 0xFB, 0x7D,
0x2A, 0x6B, 0x8E, 0xA2, 0x0B, 0xF6, 0xCB, 0x8D,
0x39, 0x0D, 0xB6, 0xA7, 0x47, 0x8F, 0x42, 0x1B,
0x98, 0x95, 0x61, 0x5A, 0xF0, 0xB4, 0xD6, 0x52,
0x40, 0x91, 0x7E, 0x71, 0x64, 0xF8, 0x38, 0x4B,
0x76, 0xAA, 0x09, 0x2F, 0x20, 0x0A, 0xCB, 0x5A,
0x37, 0x57, 0x3D, 0xEC, 0xC1, 0x52, 0x57, 0x09,
0x66, 0xDB, 0x92, 0xE2, 0xA9, 0xEF, 0x78, 0x01,
0x86, 0xDD, 0x0B, 0xA9, 0x56, 0xF7, 0x9A, 0x1B,
0x39, 0x96, 0x19, 0xEF, 0x2E, 0x3D, 0x80, 0x7C,
0xED, 0x4A, 0x1C, 0xDE, 0x1B, 0x1E, 0xBD, 0x0E,
0xF2, 0x5C, 0x21, 0xAE, 0x8A, 0x4D, 0xEC, 0x48,
0x66, 0xCA, 0x2C, 0xD8, 0x20, 0x75, 0xD4, 0x63,
0xD7, 0x73, 0x60, 0xFF, 0xEB, 0x02, 0x2F, 0x27,
},
{
0x7E, 0x9B, 0x7B, 0xFD, 0x3F, 0x00, 0x1D, 0x13,
0x23, 0x35, 0x4B, 0x81, 0x00, 0x0F, 0x94, 0xE4,
0x44, 0x04, 0xCF, 0xDE, 0x27, 0x62, 0xBD, 0x8B,
0x4C, 0x34, 0xF0, 0x3C, 0x19, 0xFE, 0x64, 0x7C,
0x85, 0x7D, 0x18, 0x13, 0x4A, 0x41, 0x16, 0x6C,
0x8E, 0xFD, 0x94, 0x28, 0xAC, 0x36, 0x87, 0x05,
0x47, 0xC6, 0xCE, 0xD4, 0x51, 0x35, 0x4F, 0xA9,
0x17, 0x5F, 0x1B, 0xAE, 0x63, 0xFA, 0xFB, 0xAB,
0x7E, 0xF1, 0x19, 0xFF, 0xC2, 0x34, 0xB0, 0x47,
0xD9, 0x30, 0x33, 0xE6, 0x86, 0x1D, 0x70, 0xF6,
0xEF, 0x3D, 0x8E, 0xB8, 0x0F, 0x29, 0xD0, 0xC5,
0x67, 0xAB, 0xC6, 0x78, 0xC7, 0x86, 0xB6, 0xEE,
0xDB, 0xB8, 0xC3, 0xA4, 0x78, 0x2E, 0xE8, 0x69,
0x3C, 0xF7, 0x26, 0x48, 0x99, 0x1A, 0x09, 0x99,
0x85, 0xF6, 0xB8, 0x4D, 0xD6, 0xB6, 0x54, 0xDD,
0x5A, 0xBD, 0xD7, 0xF8, 0xCA, 0x34, 0xD7, 0xB6,
0xCB, 0x53, 0x19, 0xE2, 0x11, 0xC3, 0x07, 0x76,
0xC4, 0x51, 0xFF, 0xA7, 0xCC, 0xEF, 0xCD, 0x1D,
0xB3, 0x6D, 0xB2, 0x27, 0xDA, 0x7D, 0x6F, 0x9D,
0xD9, 0xD4, 0x6D, 0x4E, 0x48, 0xC2, 0x0E, 0xD3,
},
{
0x76, 0x27, 0x2B, 0xEE, 0x06, 0xE2, 0xDF, 0x3E,
0x7C, 0x14, 0xDB, 0xC0, 0x52, 0xAB, 0x2A, 0xC3,
0x50, 0x73, 0xFC, 0x30, 0xC6, 0x00, 0xA7, 0x0F,
0x30, 0xD2, 0xBC, 0x67, 0x8F, 0x78, 0x91, 0x75,
0x5A, 0x7A, 0x81, 0x2F, 0xF1, 0x55, 0x5E, 0x99,
0x45, 0x8E, 0x56, 0x65, 0xD5, 0x14, 0x12, 0xE6,
0xD9, 0x43, 0xD0, 0xFA, 0x5D, 0x95, 0xD7, 0x85,
0x7C, 0x99, 0xBC, 0x7B, 0x84, 0xDA, 0x3B, 0x8B,
0x60, 0xB8, 0xA0, 0x04, 0x27, 0xC8, 0xE1, 0xCE,
0x16, 0xF8, 0x4C, 0x38, 0x28, 0x30, 0x92, 0xC1,
0x0A, 0x90, 0x7C, 0xF2, 0xB5, 0xD3, 0xB6, 0x73,
0x59, 0x2C, 0x13, 0x63, 0x15, 0x82, 0x1C, 0xD2,
0x57, 0x69, 0x4B, 0xC2, 0x19, 0x25, 0x41, 0x23,
0xD6, 0x08, 0x45, 0x71, 0xE3, 0x2E, 0x27, 0xC1,
0x6C, 0x1B, 0x00, 0x82, 0x54, 0x12, 0xD5, 0x17,
0x43, 0x8F, 0xAC, 0x5A, 0x7B, 0x24, 0x2E, 0xA9,
0x03, 0x8E, 0x87, 0x98, 0x8B, 0x83, 0x42, 0x84,
0x1B, 0x50, 0xE6, 0x86, 0x8B, 0x8D, 0xF3, 0xC3,
0xE2, 0xB5, 0x3C, 0x6C, 0x4C, 0xF5, 0xD3, 0x3F,
0x2A, 0x80, 0x21, 0x6B, 0x72, 0xCA, 0xFC, 0x49,
0x80, 0xF9, 0x0C, 0x01, 0xDD, 0xB8, 0xB9, 0x15,
0x0E, 0xC2, 0x85, 0x61, 0x7C, 0x61, 0x1D, 0xBD,
0xB3, 0x80, 0xF9, 0xD4, 0xCB, 0x3A, 0xB6, 0x0C,
0xF3, 0xE7, 0xF7, 0xC9, 0x36, 0xDF, 0x11, 0x6F,
},
{
0xA3, 0x4D, 0x19, 0x07, 0xAA, 0x4D, 0x07, 0x7C,
0x1A, 0x66, 0x4D, 0xFA, 0xAF, 0xC0, 0xC8, 0xCF,
0x56, 0x1E, 0x90, 0x19, 0x4C, 0x56, 0xCB, 0x14,
0xCC, 0xD5, 0xF3, 0xA0, 0x0A, 0x43, 0xA3, 0x90,
0x4D, 0x12, 0x92, 0x5E, 0x77, 0xC5, 0x21, 0xCD,
0x26, 0xBA, 0x52, 0x10, 0x7C, 0x14, 0x39, 0x4E,
0x80, 0x60, 0x06, 0x0B, 0x8A, 0xC5, 0x50, 0xB0,
0x7D, 0x01, 0x5A, 0x61, 0xCA, 0x59, 0x09, 0x31,
0x2C, 0xB3, 0xF7, 0x02, 0x32, 0x32, 0x11, 0xA8,
0xCB, 0xF4, 0x93, 0xA5, 0x42, 0x01, 0x9A, 0x34,
0x76, 0x25, 0x8B, 0xCE, 0x55, 0x89, 0xFD, 0x3F,
0xC4, 0x0E, 0xA9, 0x18, 0x99, 0xFD, 0xED, 0xDC,
0xE9, 0x28, 0x14, 0xE0, 0x70, 0xBE, 0x96, 0x54,
0xA7, 0xE1, 0x73, 0x81, 0x20, 0xF4, 0x56, 0x39,
0x62, 0xA4, 0x56, 0xE9, 0xD2, 0xAE, 0xA8, 0xD0,
0xC5, 0xA5, 0xBC, 0x4E, 0xBE, 0x0E, 0xD1, 0x57,
0x89, 0xB6, 0x5E, 0x75, 0x02, 0x9C, 0x02, 0x31,
0x4E, 0x22, 0xDC, 0x0F, 0x7B, 0x45, 0x0B, 0xEC,
0xA5, 0xFD, 0xD2, 0x63, 0x4E, 0x30, 0x14, 0xA2,
0xE8, 0xC0, 0x27, 0x6D, 0xF2, 0x1E, 0x9B, 0xE1,
0xA5, 0xF2, 0xEF, 0x61, 0xE2, 0xD4, 0xAA, 0x34,
0xD0, 0x15, 0x24, 0xCF, 0x1B, 0xB9, 0xA1, 0x68,
0xDC, 0x7F, 0x17, 0xF7, 0xE7, 0x38, 0xD7, 0x68,
0xDE, 0xF8, 0x5C, 0x15, 0x0B, 0x00, 0xBC, 0x29,
0x28, 0x73, 0x57, 0x0C, 0xA2, 0x9E, 0x66, 0x97,
0x2A, 0xD3, 0xE5, 0xE7, 0xF4, 0x93, 0x92, 0x60,
0xEE, 0x14, 0x83, 0x67, 0x19, 0x07, 0xC8, 0x7F,
0xA2, 0xA8, 0x03, 0x73, 0x92, 0x41, 0xDF, 0x1C,
},
{
0x00, 0x0C, 0xF2, 0xB2, 0xB1, 0xB4, 0xF9, 0x60,
0x1C, 0x2A, 0x63, 0x99, 0x49, 0x9E, 0x81, 0x9C,
0x3F, 0x5A, 0xDF, 0xFD, 0x1A, 0x3C, 0x04, 0x01,
0x63, 0x97, 0x8D, 0xD3, 0x38, 0x0B, 0x11, 0x2D,
0x29, 0x8B, 0x35, 0xA9, 0x5B, 0xE5, 0x06, 0x61,
0xE7, 0x70, 0xCD, 0x6F, 0x6A, 0x67, 0x3A, 0x9C,
0x81, 0xB0, 0xCC, 0x76, 0xDA, 0xF9, 0xCD, 0x83,
0x89, 0x67, 0xFA, 0x2E, 0x97, 0x8F, 0xAD, 0x8B,
0x87, 0xD7, 0xAA, 0x85, 0xC3, 0x86, 0x42, 0x29,
0xDC, 0x6E, 0xE3, 0xAE, 0x8A, 0xF7, 0x7A, 0x8D,
0x50, 0x27, 0x08, 0x65, 0xF3, 0x00, 0x5D, 0x1F,
0xB7, 0x59, 0x88, 0x68, 0x2D, 0x03, 0xF2, 0xF8,
0x44, 0xAB, 0x3E, 0xCD, 0x4F, 0x46, 0x04, 0xA1,
0x78, 0xF4, 0x76, 0x89, 0x60, 0xD1, 0xE9, 0xBE,
0xC6, 0x58, 0x03, 0xC7, 0xCB, 0x58, 0x65, 0x92,
0x1C, 0x06, 0xDF, 0x2A, 0x14, 0x48, 0x8C, 0x98,
0xA2, 0xBD, 0xA5, 0x75, 0x80, 0x3E, 0x95, 0x57,
0x57, 0x5E, 0xD8, 0x86, 0x17, 0xE9, 0xE5, 0x06,
0x1E, 0xA9, 0xFE, 0x66, 0x5F, 0x14, 0xB6, 0x8C,
0x73, 0xA6, 0x7A, 0x47, 0x47, 0x7E, 0xD5, 0x1C,
0xE3, 0x01, 0xB1, 0x2C, 0x11, 0x02, 0x79, 0xE7,
0x86, 0x19, 0x40, 0xA4, 0x6D, 0xF0, 0x9E, 0x4B,
0x5B, 0x1B, 0xAF, 0xAD, 0xA8, 0x31, 0xC1, 0x2B,
0x6D, 0xE4, 0x84, 0x23, 0x66, 0xB3, 0xD0, 0xA2,
0xE2, 0x21, 0xD4, 0x99, 0xFE, 0xD7, 0xA4, 0xD1,
0xF0, 0xC5, 0x7F, 0x42, 0x8F, 0xC0, 0xFF, 0x7C,
0xC9, 0xF6, 0xEB, 0xA0, 0xD2, 0x53, 0xDE, 0x3A,
0xB6, 0x27, 0x0B, 0x01, 0x0F, 0xAE, 0xD2, 0x19,
0x5A, 0xAB, 0x6D, 0xD6, 0xDF, 0x25, 0x0E, 0x0D,
0x39, 0xFD, 0x9D, 0x12, 0xAF, 0x49, 0x4F, 0xD3,
0x7F, 0xA5, 0xC1, 0xEC, 0xEB, 0x6A, 0x9D, 0x77,
0xBF, 0x54, 0xC3, 0x7E, 0xF1, 0xFE, 0xF0, 0xB1,
},
},
},
}
zeroPadded := func(keyBytes int, message []byte) []byte {
result := make([]byte, keyBytes)
offset := keyBytes - len(message)
copy(result[offset:], message)
return result
}
for i, test := range testData {
priv, err := GenerateKey(rand.Reader, test.keyBits)
if err != nil {
t.Errorf("GenerateKey(%d): %v", test.keyBits, err)
}
keyBytes := test.keyBits / 8
for j, message := range test.messages {
enc, err := EncryptNoPadding(&priv.PublicKey, message)
if err != nil {
t.Errorf("EncryptNoPadding: %v", err)
continue
}
dec, err := DecryptNoPadding(priv, enc)
if err != nil {
t.Errorf("DecryptNoPadding: %v", err)
continue
}
zMessage := zeroPadded(keyBytes, message)
if !bytes.Equal(dec, zMessage) {
t.Errorf("#%d,%d: round trip %q -> %q", i, j, zMessage, dec)
}
}
}
}