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Merge pull request #10552 from julek-wolfssl/evp-x25519-x448

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Add NID_X25519 and NID_X448 support to the EVP layer
This commit is contained in:
JacobBarthelmeh
2026-05-28 15:57:50 -06:00
committed by GitHub
parent a31ce6e981 df8cc30cb8
commit beff858833
6 changed files with 451 additions and 2 deletions
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tests/api/test_evp_pkey.c
+159
View File
@@ -2702,3 +2702,162 @@ int test_wolfSSL_EVP_PKEY_ed448(void)
return EXPECT_RESULT();
}
int test_wolfSSL_EVP_PKEY_x25519(void)
{
EXPECT_DECLS;
#if defined(OPENSSL_EXTRA) && defined(HAVE_CURVE25519)
EVP_PKEY* pkey = NULL;
EVP_PKEY* peer = NULL;
EVP_PKEY_CTX* genCtx = NULL;
EVP_PKEY_CTX* ctx = NULL;
unsigned char rawPriv[32];
unsigned char rawPub[32];
unsigned char secretA[32];
unsigned char secretB[32];
size_t secretLen;
int i;
for (i = 0; i < 32; i++) {
rawPriv[i] = (unsigned char)i;
rawPub[i] = (unsigned char)(0x40 + i);
}
/* Raw import with the correct length reports the X25519 type. */
ExpectNotNull(pkey = EVP_PKEY_new_raw_public_key(
EVP_PKEY_X25519, NULL, rawPub, sizeof(rawPub)));
ExpectIntEQ(EVP_PKEY_id(pkey), EVP_PKEY_X25519);
EVP_PKEY_free(pkey);
pkey = NULL;
ExpectNotNull(pkey = EVP_PKEY_new_raw_private_key(
EVP_PKEY_X25519, NULL, rawPriv, sizeof(rawPriv)));
ExpectIntEQ(EVP_PKEY_id(pkey), EVP_PKEY_X25519);
/* X25519 is key-agreement only: signing must be rejected. */
ExpectNotNull(ctx = EVP_PKEY_CTX_new(pkey, NULL));
ExpectIntNE(EVP_PKEY_sign_init(ctx), WOLFSSL_SUCCESS);
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
EVP_PKEY_free(pkey);
pkey = NULL;
/* Wrong raw lengths are rejected. */
ExpectNull(EVP_PKEY_new_raw_public_key(
EVP_PKEY_X25519, NULL, rawPub, 16));
ExpectNull(EVP_PKEY_new_raw_private_key(
EVP_PKEY_X25519, NULL, rawPriv, 16));
/* Generate two key pairs and confirm ECDH agreement is symmetric. This
* also exercises the little-endian convention used on import/derive. */
ExpectNotNull(genCtx = EVP_PKEY_CTX_new_id(EVP_PKEY_X25519, NULL));
ExpectIntEQ(EVP_PKEY_keygen_init(genCtx), WOLFSSL_SUCCESS);
ExpectIntEQ(EVP_PKEY_keygen(genCtx, &pkey), WOLFSSL_SUCCESS);
ExpectIntEQ(EVP_PKEY_keygen(genCtx, &peer), WOLFSSL_SUCCESS);
EVP_PKEY_CTX_free(genCtx);
genCtx = NULL;
ExpectNotNull(ctx = EVP_PKEY_CTX_new(pkey, NULL));
ExpectIntEQ(EVP_PKEY_derive_init(ctx), WOLFSSL_SUCCESS);
ExpectIntEQ(EVP_PKEY_derive_set_peer(ctx, peer), WOLFSSL_SUCCESS);
secretLen = sizeof(secretA);
ExpectIntEQ(EVP_PKEY_derive(ctx, secretA, &secretLen), WOLFSSL_SUCCESS);
ExpectIntEQ((int)secretLen, 32);
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
ExpectNotNull(ctx = EVP_PKEY_CTX_new(peer, NULL));
ExpectIntEQ(EVP_PKEY_derive_init(ctx), WOLFSSL_SUCCESS);
ExpectIntEQ(EVP_PKEY_derive_set_peer(ctx, pkey), WOLFSSL_SUCCESS);
secretLen = sizeof(secretB);
ExpectIntEQ(EVP_PKEY_derive(ctx, secretB, &secretLen), WOLFSSL_SUCCESS);
ExpectIntEQ((int)secretLen, 32);
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
ExpectIntEQ(XMEMCMP(secretA, secretB, 32), 0);
EVP_PKEY_free(peer);
EVP_PKEY_free(pkey);
#endif
return EXPECT_RESULT();
}
int test_wolfSSL_EVP_PKEY_x448(void)
{
EXPECT_DECLS;
#if defined(OPENSSL_EXTRA) && defined(HAVE_CURVE448)
EVP_PKEY* pkey = NULL;
EVP_PKEY* peer = NULL;
EVP_PKEY_CTX* genCtx = NULL;
EVP_PKEY_CTX* ctx = NULL;
unsigned char rawPriv[56];
unsigned char rawPub[56];
unsigned char secretA[56];
unsigned char secretB[56];
size_t secretLen;
int i;
for (i = 0; i < 56; i++) {
rawPriv[i] = (unsigned char)i;
rawPub[i] = (unsigned char)(0x40 + i);
}
/* Raw import with the correct length reports the X448 type. */
ExpectNotNull(pkey = EVP_PKEY_new_raw_public_key(
EVP_PKEY_X448, NULL, rawPub, sizeof(rawPub)));
ExpectIntEQ(EVP_PKEY_id(pkey), EVP_PKEY_X448);
EVP_PKEY_free(pkey);
pkey = NULL;
ExpectNotNull(pkey = EVP_PKEY_new_raw_private_key(
EVP_PKEY_X448, NULL, rawPriv, sizeof(rawPriv)));
ExpectIntEQ(EVP_PKEY_id(pkey), EVP_PKEY_X448);
/* X448 is key-agreement only: signing must be rejected. */
ExpectNotNull(ctx = EVP_PKEY_CTX_new(pkey, NULL));
ExpectIntNE(EVP_PKEY_sign_init(ctx), WOLFSSL_SUCCESS);
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
EVP_PKEY_free(pkey);
pkey = NULL;
/* Wrong raw lengths are rejected. */
ExpectNull(EVP_PKEY_new_raw_public_key(
EVP_PKEY_X448, NULL, rawPub, 16));
ExpectNull(EVP_PKEY_new_raw_private_key(
EVP_PKEY_X448, NULL, rawPriv, 16));
/* Generate two key pairs and confirm ECDH agreement is symmetric. */
ExpectNotNull(genCtx = EVP_PKEY_CTX_new_id(EVP_PKEY_X448, NULL));
ExpectIntEQ(EVP_PKEY_keygen_init(genCtx), WOLFSSL_SUCCESS);
ExpectIntEQ(EVP_PKEY_keygen(genCtx, &pkey), WOLFSSL_SUCCESS);
ExpectIntEQ(EVP_PKEY_keygen(genCtx, &peer), WOLFSSL_SUCCESS);
EVP_PKEY_CTX_free(genCtx);
genCtx = NULL;
ExpectNotNull(ctx = EVP_PKEY_CTX_new(pkey, NULL));
ExpectIntEQ(EVP_PKEY_derive_init(ctx), WOLFSSL_SUCCESS);
ExpectIntEQ(EVP_PKEY_derive_set_peer(ctx, peer), WOLFSSL_SUCCESS);
secretLen = sizeof(secretA);
ExpectIntEQ(EVP_PKEY_derive(ctx, secretA, &secretLen), WOLFSSL_SUCCESS);
ExpectIntEQ((int)secretLen, 56);
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
ExpectNotNull(ctx = EVP_PKEY_CTX_new(peer, NULL));
ExpectIntEQ(EVP_PKEY_derive_init(ctx), WOLFSSL_SUCCESS);
ExpectIntEQ(EVP_PKEY_derive_set_peer(ctx, pkey), WOLFSSL_SUCCESS);
secretLen = sizeof(secretB);
ExpectIntEQ(EVP_PKEY_derive(ctx, secretB, &secretLen), WOLFSSL_SUCCESS);
ExpectIntEQ((int)secretLen, 56);
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
ExpectIntEQ(XMEMCMP(secretA, secretB, 56), 0);
EVP_PKEY_free(peer);
EVP_PKEY_free(pkey);
#endif
return EXPECT_RESULT();
}
tests/api/test_evp_pkey.h
+5 -1
View File
@@ -66,6 +66,8 @@ int test_wolfSSL_EVP_PKEY_print_public(void);
int test_wolfSSL_EVP_PKEY_ed25519(void);
int test_wolfSSL_CTX_use_PrivateKey_ed25519(void);
int test_wolfSSL_EVP_PKEY_ed448(void);
int test_wolfSSL_EVP_PKEY_x25519(void);
int test_wolfSSL_EVP_PKEY_x448(void);
#define TEST_EVP_PKEY_DECLS \
TEST_DECL_GROUP("evp_pkey", test_wolfSSL_EVP_PKEY_CTX_new_id), \
@@ -110,6 +112,8 @@ int test_wolfSSL_EVP_PKEY_ed448(void);
TEST_DECL_GROUP("evp_pkey", test_wolfSSL_EVP_PKEY_print_public), \
TEST_DECL_GROUP("evp_pkey", test_wolfSSL_EVP_PKEY_ed25519), \
TEST_DECL_GROUP("evp_pkey", test_wolfSSL_CTX_use_PrivateKey_ed25519), \
TEST_DECL_GROUP("evp_pkey", test_wolfSSL_EVP_PKEY_ed448)
TEST_DECL_GROUP("evp_pkey", test_wolfSSL_EVP_PKEY_ed448), \
TEST_DECL_GROUP("evp_pkey", test_wolfSSL_EVP_PKEY_x25519), \
TEST_DECL_GROUP("evp_pkey", test_wolfSSL_EVP_PKEY_x448)
#endif /* WOLFCRYPT_TEST_EVP_PKEY_H */