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[tls] Make key exchange algorithms selectable via build configuration

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Allow the choice of key exchange algorithms to be controlled via build
configuration options in config/crypto.h, as is already done for the
choices of public-key algorithms, cipher algorithms, and digest
algorithms.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2024-01-30 16:48:46 +00:00
parent a881a26061
commit 8f6a9399b3
10 changed files with 249 additions and 98 deletions
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40
src/config/config_crypto.c
View File

@@ -119,25 +119,49 @@ REQUIRE_OBJECT ( rsa_sha512 );
#endif
/* RSA, AES-CBC, and SHA-1 */
#if defined ( CRYPTO_PUBKEY_RSA ) && defined ( CRYPTO_CIPHER_AES_CBC ) && \
defined ( CRYPTO_DIGEST_SHA1 )
#if defined ( CRYPTO_EXCHANGE_PUBKEY ) && defined ( CRYPTO_PUBKEY_RSA ) && \
defined ( CRYPTO_CIPHER_AES_CBC ) && defined ( CRYPTO_DIGEST_SHA1 )
REQUIRE_OBJECT ( rsa_aes_cbc_sha1 );
#endif
/* RSA, AES-CBC, and SHA-256 */
#if defined ( CRYPTO_PUBKEY_RSA ) && defined ( CRYPTO_CIPHER_AES_CBC ) && \
defined ( CRYPTO_DIGEST_SHA256 )
#if defined ( CRYPTO_EXCHANGE_PUBKEY ) && defined ( CRYPTO_PUBKEY_RSA ) && \
defined ( CRYPTO_CIPHER_AES_CBC ) && defined ( CRYPTO_DIGEST_SHA256 )
REQUIRE_OBJECT ( rsa_aes_cbc_sha256 );
#endif
/* RSA, AES-GCM, and SHA-256 */
#if defined ( CRYPTO_PUBKEY_RSA ) && defined ( CRYPTO_CIPHER_AES_GCM ) && \
defined ( CRYPTO_DIGEST_SHA256 )
#if defined ( CRYPTO_EXCHANGE_PUBKEY ) && defined ( CRYPTO_PUBKEY_RSA ) && \
defined ( CRYPTO_CIPHER_AES_GCM ) && defined ( CRYPTO_DIGEST_SHA256 )
REQUIRE_OBJECT ( rsa_aes_gcm_sha256 );
#endif
/* RSA, AES-GCM, and SHA-384 */
#if defined ( CRYPTO_PUBKEY_RSA ) && defined ( CRYPTO_CIPHER_AES_GCM ) && \
defined ( CRYPTO_DIGEST_SHA384 )
#if defined ( CRYPTO_EXCHANGE_PUBKEY ) && defined ( CRYPTO_PUBKEY_RSA ) && \
defined ( CRYPTO_CIPHER_AES_GCM ) && defined ( CRYPTO_DIGEST_SHA384 )
REQUIRE_OBJECT ( rsa_aes_gcm_sha384 );
#endif
/* DHE, RSA, AES-CBC, and SHA-1 */
#if defined ( CRYPTO_EXCHANGE_DHE ) && defined ( CRYPTO_PUBKEY_RSA ) && \
defined ( CRYPTO_CIPHER_AES_CBC ) && defined ( CRYPTO_DIGEST_SHA1 )
REQUIRE_OBJECT ( dhe_rsa_aes_cbc_sha1 );
#endif
/* DHE, RSA, AES-CBC, and SHA-256 */
#if defined ( CRYPTO_EXCHANGE_DHE ) && defined ( CRYPTO_PUBKEY_RSA ) && \
defined ( CRYPTO_CIPHER_AES_CBC ) && defined ( CRYPTO_DIGEST_SHA256 )
REQUIRE_OBJECT ( dhe_rsa_aes_cbc_sha256 );
#endif
/* DHE, RSA, AES-GCM, and SHA-256 */
#if defined ( CRYPTO_EXCHANGE_DHE ) && defined ( CRYPTO_PUBKEY_RSA ) && \
defined ( CRYPTO_CIPHER_AES_GCM ) && defined ( CRYPTO_DIGEST_SHA256 )
REQUIRE_OBJECT ( dhe_rsa_aes_gcm_sha256 );
#endif
/* DHE, RSA, AES-GCM, and SHA-384 */
#if defined ( CRYPTO_EXCHANGE_DHE ) && defined ( CRYPTO_PUBKEY_RSA ) && \
defined ( CRYPTO_CIPHER_AES_GCM ) && defined ( CRYPTO_DIGEST_SHA384 )
REQUIRE_OBJECT ( dhe_rsa_aes_gcm_sha384 );
#endif

6
src/config/crypto.h
View File

@@ -12,6 +12,12 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
/** Minimum TLS version */
#define TLS_VERSION_MIN TLS_VERSION_TLS_1_1
/** Public-key exchange algorithm */
#define CRYPTO_EXCHANGE_PUBKEY
/** DHE key exchange algorithm */
#define CRYPTO_EXCHANGE_DHE
/** RSA public-key algorithm */
#define CRYPTO_PUBKEY_RSA