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[crypto] Add concept of authentication tag to cipher algorithms

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Some ciphers (such as GCM) support the concept of a tag that can be
used to authenticate the encrypted data.  Add a cipher method for
generating an authentication tag.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2022-10-24 19:20:41 +01:00
parent 0c383bf00a
commit da81214cec
9 changed files with 64 additions and 7 deletions
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12
src/tests/aes_test.c
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@@ -94,7 +94,7 @@ CIPHER_TEST ( aes_128_ecb, &aes_ecb_algorithm,
0x43, 0xb1, 0xcd, 0x7f, 0x59, 0x8e, 0xce, 0x23,
0x88, 0x1b, 0x00, 0xe3, 0xed, 0x03, 0x06, 0x88,
0x7b, 0x0c, 0x78, 0x5e, 0x27, 0xe8, 0xad, 0x3f,
0x82, 0x23, 0x20, 0x71, 0x04, 0x72, 0x5d, 0xd4 ) );
0x82, 0x23, 0x20, 0x71, 0x04, 0x72, 0x5d, 0xd4 ), AUTH() );
/** AES-128-CBC */
CIPHER_TEST ( aes_128_cbc, &aes_cbc_algorithm,
@@ -106,7 +106,7 @@ CIPHER_TEST ( aes_128_cbc, &aes_cbc_algorithm,
0x73, 0xbe, 0xd6, 0xb8, 0xe3, 0xc1, 0x74, 0x3b,
0x71, 0x16, 0xe6, 0x9e, 0x22, 0x22, 0x95, 0x16,
0x3f, 0xf1, 0xca, 0xa1, 0x68, 0x1f, 0xac, 0x09,
0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7 ) );
0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7 ), AUTH() );
/** AES-192-ECB (same test as AES-192-Core) */
CIPHER_TEST ( aes_192_ecb, &aes_ecb_algorithm,
@@ -118,7 +118,7 @@ CIPHER_TEST ( aes_192_ecb, &aes_ecb_algorithm,
0xef, 0x7a, 0xfd, 0x22, 0x70, 0xe2, 0xe6, 0x0a,
0xdc, 0xe0, 0xba, 0x2f, 0xac, 0xe6, 0x44, 0x4e,
0x9a, 0x4b, 0x41, 0xba, 0x73, 0x8d, 0x6c, 0x72,
0xfb, 0x16, 0x69, 0x16, 0x03, 0xc1, 0x8e, 0x0e ) );
0xfb, 0x16, 0x69, 0x16, 0x03, 0xc1, 0x8e, 0x0e ), AUTH() );
/** AES-192-CBC */
CIPHER_TEST ( aes_192_cbc, &aes_cbc_algorithm,
@@ -130,7 +130,7 @@ CIPHER_TEST ( aes_192_cbc, &aes_cbc_algorithm,
0x57, 0x1b, 0x24, 0x20, 0x12, 0xfb, 0x7a, 0xe0,
0x7f, 0xa9, 0xba, 0xac, 0x3d, 0xf1, 0x02, 0xe0,
0x08, 0xb0, 0xe2, 0x79, 0x88, 0x59, 0x88, 0x81,
0xd9, 0x20, 0xa9, 0xe6, 0x4f, 0x56, 0x15, 0xcd ) );
0xd9, 0x20, 0xa9, 0xe6, 0x4f, 0x56, 0x15, 0xcd ), AUTH() );
/** AES-256-ECB (same test as AES-256-Core) */
CIPHER_TEST ( aes_256_ecb, &aes_ecb_algorithm,
@@ -142,7 +142,7 @@ CIPHER_TEST ( aes_256_ecb, &aes_ecb_algorithm,
0xb6, 0xed, 0x21, 0xb9, 0x9c, 0xa6, 0xf4, 0xf9,
0xf1, 0x53, 0xe7, 0xb1, 0xbe, 0xaf, 0xed, 0x1d,
0x23, 0x30, 0x4b, 0x7a, 0x39, 0xf9, 0xf3, 0xff,
0x06, 0x7d, 0x8d, 0x8f, 0x9e, 0x24, 0xec, 0xc7 ) );
0x06, 0x7d, 0x8d, 0x8f, 0x9e, 0x24, 0xec, 0xc7 ), AUTH() );
/** AES-256-CBC */
CIPHER_TEST ( aes_256_cbc, &aes_cbc_algorithm,
@@ -154,7 +154,7 @@ CIPHER_TEST ( aes_256_cbc, &aes_cbc_algorithm,
0x39, 0xf2, 0x33, 0x69, 0xa9, 0xd9, 0xba, 0xcf,
0xa5, 0x30, 0xe2, 0x63, 0x04, 0x23, 0x14, 0x61,
0xb2, 0xeb, 0x05, 0xe2, 0xc3, 0x9b, 0xe9, 0xfc,
0xda, 0x6c, 0x19, 0x07, 0x8c, 0x6a, 0x9d, 0x1b ) );
0xda, 0x6c, 0x19, 0x07, 0x8c, 0x6a, 0x9d, 0x1b ), AUTH() );
/**
* Perform AES self-test