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diff --git a/tools/tools/crypto/cryptocheck.c b/tools/tools/crypto/cryptocheck.c
--- a/tools/tools/crypto/cryptocheck.c
+++ b/tools/tools/crypto/cryptocheck.c
@@ -120,6 +120,7 @@
* aes-ccm 128-bit AES-CCM
* aes-ccm192 192-bit AES-CCM
* aes-ccm256 256-bit AES-CCM
+ * chacha20-poly1305 Chacha20 (96 bit nonce) with Poly1305 per RFC 8439
*/
#include <sys/param.h>
@@ -149,6 +150,7 @@
int cipher;
int mac;
enum { T_HASH, T_HMAC, T_GMAC, T_CIPHER, T_ETA, T_AEAD } type;
+ int tag_len;
const EVP_CIPHER *(*evp_cipher)(void);
const EVP_MD *(*evp_md)(void);
} algs[] = {
@@ -177,11 +179,11 @@
{ .name = "blake2s", .mac = CRYPTO_BLAKE2S, .type = T_HASH,
.evp_md = EVP_blake2s256 },
{ .name = "gmac", .mac = CRYPTO_AES_NIST_GMAC, .type = T_GMAC,
- .evp_cipher = EVP_aes_128_gcm },
+ .tag_len = AES_GMAC_HASH_LEN, .evp_cipher = EVP_aes_128_gcm },
{ .name = "gmac192", .mac = CRYPTO_AES_NIST_GMAC, .type = T_GMAC,
- .evp_cipher = EVP_aes_192_gcm },
+ .tag_len = AES_GMAC_HASH_LEN, .evp_cipher = EVP_aes_192_gcm },
{ .name = "gmac256", .mac = CRYPTO_AES_NIST_GMAC, .type = T_GMAC,
- .evp_cipher = EVP_aes_256_gcm },
+ .tag_len = AES_GMAC_HASH_LEN, .evp_cipher = EVP_aes_256_gcm },
{ .name = "aes-cbc", .cipher = CRYPTO_AES_CBC, .type = T_CIPHER,
.evp_cipher = EVP_aes_128_cbc },
{ .name = "aes-cbc192", .cipher = CRYPTO_AES_CBC, .type = T_CIPHER,
@@ -201,17 +203,22 @@
{ .name = "chacha20", .cipher = CRYPTO_CHACHA20, .type = T_CIPHER,
.evp_cipher = EVP_chacha20 },
{ .name = "aes-gcm", .cipher = CRYPTO_AES_NIST_GCM_16, .type = T_AEAD,
- .evp_cipher = EVP_aes_128_gcm },
+ .tag_len = AES_GMAC_HASH_LEN, .evp_cipher = EVP_aes_128_gcm },
{ .name = "aes-gcm192", .cipher = CRYPTO_AES_NIST_GCM_16,
- .type = T_AEAD, .evp_cipher = EVP_aes_192_gcm },
+ .type = T_AEAD, .tag_len = AES_GMAC_HASH_LEN,
+ .evp_cipher = EVP_aes_192_gcm },
{ .name = "aes-gcm256", .cipher = CRYPTO_AES_NIST_GCM_16,
- .type = T_AEAD, .evp_cipher = EVP_aes_256_gcm },
+ .type = T_AEAD, .tag_len = AES_GMAC_HASH_LEN,
+ .evp_cipher = EVP_aes_256_gcm },
{ .name = "aes-ccm", .cipher = CRYPTO_AES_CCM_16, .type = T_AEAD,
- .evp_cipher = EVP_aes_128_ccm },
+ .evp_cipher = EVP_aes_128_ccm, .tag_len = AES_CBC_MAC_HASH_LEN },
{ .name = "aes-ccm192", .cipher = CRYPTO_AES_CCM_16, .type = T_AEAD,
- .evp_cipher = EVP_aes_192_ccm },
+ .evp_cipher = EVP_aes_192_ccm, .tag_len = AES_CBC_MAC_HASH_LEN },
{ .name = "aes-ccm256", .cipher = CRYPTO_AES_CCM_16, .type = T_AEAD,
- .evp_cipher = EVP_aes_256_ccm },
+ .evp_cipher = EVP_aes_256_ccm, .tag_len = AES_CBC_MAC_HASH_LEN },
+ { .name = "chacha20-poly1305", .cipher = CRYPTO_CHACHA20_POLY1305,
+ .type = T_AEAD, .tag_len = POLY1305_HASH_LEN,
+ .evp_cipher = EVP_chacha20_poly1305 },
};
static bool verbose;
@@ -1046,7 +1053,7 @@
if (EVP_EncryptFinal_ex(ctx, NULL, &outl) != 1)
errx(1, "OpenSSL %s (%zu) final failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
- if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, AES_GMAC_HASH_LEN,
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, alg->tag_len,
tag) != 1)
errx(1, "OpenSSL %s (%zu) get tag failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
@@ -1133,7 +1140,7 @@
}
static void
-openssl_gcm_encrypt(const struct alg *alg, const EVP_CIPHER *cipher,
+openssl_aead_encrypt(const struct alg *alg, const EVP_CIPHER *cipher,
const char *key, const char *iv, const char *aad, size_t aad_len,
const char *input, char *output, size_t size, char *tag)
{
@@ -1168,7 +1175,7 @@
if ((size_t)total != size)
errx(1, "OpenSSL %s (%zu) encrypt size mismatch: %d", alg->name,
size, total);
- if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, AES_GMAC_HASH_LEN,
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, alg->tag_len,
tag) != 1)
errx(1, "OpenSSL %s (%zu) get tag failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
@@ -1177,7 +1184,7 @@
#ifdef notused
static bool
-openssl_gcm_decrypt(const struct alg *alg, const EVP_CIPHER *cipher,
+openssl_aead_decrypt(const struct alg *alg, const EVP_CIPHER *cipher,
const char *key, const char *iv, const char *aad, size_t aad_len,
const char *input, char *output, size_t size, char *tag)
{
@@ -1206,7 +1213,7 @@
errx(1, "OpenSSL %s (%zu) decrypt update failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
total = outl;
- if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, AES_GMAC_HASH_LEN,
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, alg->tag_len,
tag) != 1)
errx(1, "OpenSSL %s (%zu) get tag failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
@@ -1235,10 +1242,10 @@
if (EVP_EncryptInit_ex(ctx, cipher, NULL, NULL, NULL) != 1)
errx(1, "OpenSSL %s (%zu) ctx init failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
- if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_IVLEN, iv_len, NULL) != 1)
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN, iv_len, NULL) != 1)
errx(1, "OpenSSL %s (%zu) setting iv length failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
- if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_TAG, AES_CBC_MAC_HASH_LEN, NULL) != 1)
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, AES_CBC_MAC_HASH_LEN, NULL) != 1)
errx(1, "OpenSSL %s (%zu) setting tag length failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
if (EVP_EncryptInit_ex(ctx, NULL, NULL, (const u_char *)key,
@@ -1268,7 +1275,7 @@
if ((size_t)total != size)
errx(1, "OpenSSL %s (%zu) encrypt size mismatch: %d", alg->name,
size, total);
- if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_GET_TAG, AES_CBC_MAC_HASH_LEN,
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, AES_CBC_MAC_HASH_LEN,
tag) != 1)
errx(1, "OpenSSL %s (%zu) get tag failed: %s", alg->name,
size, ERR_error_string(ERR_get_error(), NULL));
@@ -1311,7 +1318,8 @@
return (0);
}
-#define AEAD_MAX_TAG_LEN MAX(AES_GMAC_HASH_LEN, AES_CBC_MAC_HASH_LEN)
+#define AEAD_MAX_TAG_LEN \
+ MAX(MAX(AES_GMAC_HASH_LEN, AES_CBC_MAC_HASH_LEN), POLY1305_HASH_LEN)
static void
run_aead_test(const struct alg *alg, size_t aad_len, size_t size)
@@ -1368,7 +1376,7 @@
openssl_ccm_encrypt(alg, cipher, key, iv, iv_len, aad,
aad_len, cleartext, ciphertext, size, control_tag);
else
- openssl_gcm_encrypt(alg, cipher, key, iv, aad, aad_len,
+ openssl_aead_encrypt(alg, cipher, key, iv, aad, aad_len,
cleartext, ciphertext, size, control_tag);
if (!ocf_init_aead_session(alg, key, key_len, &ses))

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