diff -up openssl-1.1.1k/crypto/evp/e_aes.c.s390x-aes openssl-1.1.1k/crypto/evp/e_aes.c
--- openssl-1.1.1k/crypto/evp/e_aes.c.s390x-aes 2021-07-16 11:03:14.362127435 +0200
+++ openssl-1.1.1k/crypto/evp/e_aes.c 2021-07-16 15:00:42.531477251 +0200
@@ -1168,9 +1168,9 @@ typedef struct {
static int s390x_aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
-# define S390X_aes_128_cbc_CAPABLE 1 /* checked by callee */
-# define S390X_aes_192_cbc_CAPABLE 1
-# define S390X_aes_256_cbc_CAPABLE 1
+# define S390X_aes_128_cbc_CAPABLE 0 /* checked by callee */
+# define S390X_aes_192_cbc_CAPABLE 0
+# define S390X_aes_256_cbc_CAPABLE 0
# define S390X_AES_CBC_CTX EVP_AES_KEY
# define s390x_aes_cbc_init_key aes_init_key
@@ -1190,11 +1190,10 @@ static int s390x_aes_ecb_init_key(EVP_CI
S390X_AES_ECB_CTX *cctx = EVP_C_DATA(S390X_AES_ECB_CTX, ctx);
const int keylen = EVP_CIPHER_CTX_key_length(ctx);
- cctx->fc = S390X_AES_FC(keylen);
- if (!enc)
- cctx->fc |= S390X_DECRYPT;
+ cctx->fc = S390X_AES_FC(keylen) | (enc ? 0 : S390X_DECRYPT);
- memcpy(cctx->km.param.k, key, keylen);
+ if (key != NULL)
+ memcpy(cctx->km.param.k, key, keylen);
return 1;
}
@@ -1222,14 +1221,17 @@ static int s390x_aes_ofb_init_key(EVP_CI
const unsigned char *ivec, int enc)
{
S390X_AES_OFB_CTX *cctx = EVP_C_DATA(S390X_AES_OFB_CTX, ctx);
- const unsigned char *iv = EVP_CIPHER_CTX_original_iv(ctx);
+ const unsigned char *oiv = EVP_CIPHER_CTX_original_iv(ctx);
const int keylen = EVP_CIPHER_CTX_key_length(ctx);
const int ivlen = EVP_CIPHER_CTX_iv_length(ctx);
- memcpy(cctx->kmo.param.cv, iv, ivlen);
- memcpy(cctx->kmo.param.k, key, keylen);
cctx->fc = S390X_AES_FC(keylen);
+
+ if (key != NULL)
+ memcpy(cctx->kmo.param.k, key, keylen);
+
cctx->res = 0;
+ memcpy(cctx->kmo.param.cv, oiv, ivlen);
return 1;
}
@@ -1287,18 +1289,18 @@ static int s390x_aes_cfb_init_key(EVP_CI
const unsigned char *ivec, int enc)
{
S390X_AES_CFB_CTX *cctx = EVP_C_DATA(S390X_AES_CFB_CTX, ctx);
- const unsigned char *iv = EVP_CIPHER_CTX_original_iv(ctx);
+ const unsigned char *oiv = EVP_CIPHER_CTX_original_iv(ctx);
const int keylen = EVP_CIPHER_CTX_key_length(ctx);
const int ivlen = EVP_CIPHER_CTX_iv_length(ctx);
- cctx->fc = S390X_AES_FC(keylen);
- cctx->fc |= 16 << 24; /* 16 bytes cipher feedback */
- if (!enc)
- cctx->fc |= S390X_DECRYPT;
+ cctx->fc = S390X_AES_FC(keylen)| (enc ? 0 : S390X_DECRYPT)
+ | (16 << 24); /* 16 bytes cipher feedback */
+
+ if (key != NULL)
+ memcpy(cctx->kmf.param.k, key, keylen);
cctx->res = 0;
- memcpy(cctx->kmf.param.cv, iv, ivlen);
- memcpy(cctx->kmf.param.k, key, keylen);
+ memcpy(cctx->kmf.param.cv, oiv, ivlen);
return 1;
}
@@ -1360,17 +1362,18 @@ static int s390x_aes_cfb8_init_key(EVP_C
const unsigned char *ivec, int enc)
{
S390X_AES_CFB_CTX *cctx = EVP_C_DATA(S390X_AES_CFB_CTX, ctx);
- const unsigned char *iv = EVP_CIPHER_CTX_original_iv(ctx);
+ const unsigned char *oiv = EVP_CIPHER_CTX_original_iv(ctx);
const int keylen = EVP_CIPHER_CTX_key_length(ctx);
const int ivlen = EVP_CIPHER_CTX_iv_length(ctx);
- cctx->fc = S390X_AES_FC(keylen);
- cctx->fc |= 1 << 24; /* 1 byte cipher feedback */
- if (!enc)
- cctx->fc |= S390X_DECRYPT;
+ cctx->fc = S390X_AES_FC(keylen) | (enc ? 0 : S390X_DECRYPT)
+ | (1 << 24); /* 1 byte cipher feedback flag */
+
+ if (key != NULL)
+ memcpy(cctx->kmf.param.k, key, keylen);
- memcpy(cctx->kmf.param.cv, iv, ivlen);
- memcpy(cctx->kmf.param.k, key, keylen);
+ cctx->res = 0;
+ memcpy(cctx->kmf.param.cv, oiv, ivlen);
return 1;
}
@@ -1393,9 +1396,9 @@ static int s390x_aes_cfb8_cipher(EVP_CIP
static int s390x_aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
-# define S390X_aes_128_ctr_CAPABLE 1 /* checked by callee */
-# define S390X_aes_192_ctr_CAPABLE 1
-# define S390X_aes_256_ctr_CAPABLE 1
+# define S390X_aes_128_ctr_CAPABLE 0 /* checked by callee */
+# define S390X_aes_192_ctr_CAPABLE 0
+# define S390X_aes_256_ctr_CAPABLE 0
# define S390X_AES_CTR_CTX EVP_AES_KEY
# define s390x_aes_ctr_init_key aes_init_key
@@ -1563,8 +1566,7 @@ static int s390x_aes_gcm(S390X_AES_GCM_C
/*-
* Initialize context structure. Code is big-endian.
*/
-static void s390x_aes_gcm_setiv(S390X_AES_GCM_CTX *ctx,
- const unsigned char *iv)
+static void s390x_aes_gcm_setiv(S390X_AES_GCM_CTX *ctx)
{
ctx->kma.param.t.g[0] = 0;
ctx->kma.param.t.g[1] = 0;
@@ -1575,12 +1577,11 @@ static void s390x_aes_gcm_setiv(S390X_AE
ctx->kreslen = 0;
if (ctx->ivlen == 12) {
- memcpy(&ctx->kma.param.j0, iv, ctx->ivlen);
+ memcpy(&ctx->kma.param.j0, ctx->iv, ctx->ivlen);
ctx->kma.param.j0.w[3] = 1;
ctx->kma.param.cv.w = 1;
} else {
/* ctx->iv has the right size and is already padded. */
- memcpy(ctx->iv, iv, ctx->ivlen);
s390x_kma(ctx->iv, S390X_gcm_ivpadlen(ctx->ivlen), NULL, 0, NULL,
ctx->fc, &ctx->kma.param);
ctx->fc |= S390X_KMA_HS;
@@ -1694,7 +1695,7 @@ static int s390x_aes_gcm_ctrl(EVP_CIPHER
if (gctx->iv_gen == 0 || gctx->key_set == 0)
return 0;
- s390x_aes_gcm_setiv(gctx, gctx->iv);
+ s390x_aes_gcm_setiv(gctx);
if (arg <= 0 || arg > gctx->ivlen)
arg = gctx->ivlen;
@@ -1714,7 +1715,7 @@ static int s390x_aes_gcm_ctrl(EVP_CIPHER
return 0;
memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
- s390x_aes_gcm_setiv(gctx, gctx->iv);
+ s390x_aes_gcm_setiv(gctx);
gctx->iv_set = 1;
return 1;
@@ -1770,43 +1771,35 @@ static int s390x_aes_gcm_ctrl(EVP_CIPHER
}
/*-
- * Set key and/or iv. Returns 1 on success. Otherwise 0 is returned.
+ * Set key or iv or enc/dec. Returns 1 on success. Otherwise 0 is returned.
*/
static int s390x_aes_gcm_init_key(EVP_CIPHER_CTX *ctx,
const unsigned char *key,
const unsigned char *iv, int enc)
{
S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, ctx);
- int keylen;
+ const int keylen = EVP_CIPHER_CTX_key_length(ctx);
- if (iv == NULL && key == NULL)
- return 1;
+ gctx->fc = S390X_AES_FC(keylen) | (enc ? 0 : S390X_DECRYPT);
if (key != NULL) {
- keylen = EVP_CIPHER_CTX_key_length(ctx);
+ gctx->fc &= ~S390X_KMA_HS;
memcpy(&gctx->kma.param.k, key, keylen);
-
- gctx->fc = S390X_AES_FC(keylen);
- if (!enc)
- gctx->fc |= S390X_DECRYPT;
-
- if (iv == NULL && gctx->iv_set)
- iv = gctx->iv;
-
- if (iv != NULL) {
- s390x_aes_gcm_setiv(gctx, iv);
- gctx->iv_set = 1;
- }
gctx->key_set = 1;
- } else {
- if (gctx->key_set)
- s390x_aes_gcm_setiv(gctx, iv);
- else
- memcpy(gctx->iv, iv, gctx->ivlen);
-
- gctx->iv_set = 1;
+ }
+ if (iv != NULL) {
+ memcpy(gctx->iv, iv, gctx->ivlen);
gctx->iv_gen = 0;
+ gctx->iv_set = 1;
}
+
+ if (gctx->key_set && gctx->iv_set)
+ s390x_aes_gcm_setiv(gctx);
+
+ gctx->fc &= ~(S390X_KMA_LPC | S390X_KMA_LAAD);
+ gctx->areslen = 0;
+ gctx->mreslen = 0;
+ gctx->kreslen = 0;
return 1;
}
@@ -1895,7 +1888,6 @@ static int s390x_aes_gcm_cipher(EVP_CIPH
/* recall that we already did en-/decrypt gctx->mres
* and returned it to caller... */
OPENSSL_cleanse(tmp, gctx->mreslen);
- gctx->iv_set = 0;
enc = EVP_CIPHER_CTX_encrypting(ctx);
if (enc) {
@@ -1929,8 +1921,8 @@ static int s390x_aes_gcm_cleanup(EVP_CIP
}
# define S390X_AES_XTS_CTX EVP_AES_XTS_CTX
-# define S390X_aes_128_xts_CAPABLE 1 /* checked by callee */
-# define S390X_aes_256_xts_CAPABLE 1
+# define S390X_aes_128_xts_CAPABLE 0 /* checked by callee */
+# define S390X_aes_256_xts_CAPABLE 0
# define s390x_aes_xts_init_key aes_xts_init_key
static int s390x_aes_xts_init_key(EVP_CIPHER_CTX *ctx,
@@ -2134,9 +2126,10 @@ static int s390x_aes_ccm_tls_cipher(EVP_
const unsigned char *in, size_t len)
{
S390X_AES_CCM_CTX *cctx = EVP_C_DATA(S390X_AES_CCM_CTX, ctx);
- unsigned char *ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
+ const unsigned char *ivec = EVP_CIPHER_CTX_iv(ctx);
unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx);
const int enc = EVP_CIPHER_CTX_encrypting(ctx);
+ unsigned char iv[EVP_MAX_IV_LENGTH];
if (out != in
|| len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->aes.ccm.m))
@@ -2152,8 +2145,9 @@ static int s390x_aes_ccm_tls_cipher(EVP_
* Get explicit iv (sequence number). We already have fixed iv
* (server/client_write_iv) here.
*/
- memcpy(ivec + EVP_CCM_TLS_FIXED_IV_LEN, in, EVP_CCM_TLS_EXPLICIT_IV_LEN);
- s390x_aes_ccm_setiv(cctx, ivec, len);
+ memcpy(iv, ivec, sizeof(iv));
+ memcpy(iv + EVP_CCM_TLS_FIXED_IV_LEN, in, EVP_CCM_TLS_EXPLICIT_IV_LEN);
+ s390x_aes_ccm_setiv(cctx, iv, len);
/* Process aad (sequence number|type|version|length) */
s390x_aes_ccm_aad(cctx, buf, cctx->aes.ccm.tls_aad_len);
@@ -2180,42 +2174,34 @@ static int s390x_aes_ccm_tls_cipher(EVP_
}
/*-
- * Set key and flag field and/or iv. Returns 1 if successful. Otherwise 0 is
- * returned.
+ * Set key or iv or enc/dec. Returns 1 if successful.
+ * Otherwise 0 is returned.
*/
static int s390x_aes_ccm_init_key(EVP_CIPHER_CTX *ctx,
const unsigned char *key,
const unsigned char *iv, int enc)
{
S390X_AES_CCM_CTX *cctx = EVP_C_DATA(S390X_AES_CCM_CTX, ctx);
- unsigned char *ivec;
- int keylen;
+ const int keylen = EVP_CIPHER_CTX_key_length(ctx);
+ unsigned char *ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
- if (iv == NULL && key == NULL)
- return 1;
+ cctx->aes.ccm.fc = S390X_AES_FC(keylen);
if (key != NULL) {
- keylen = EVP_CIPHER_CTX_key_length(ctx);
- cctx->aes.ccm.fc = S390X_AES_FC(keylen);
memcpy(cctx->aes.ccm.kmac_param.k, key, keylen);
-
- /* Store encoded m and l. */
- cctx->aes.ccm.nonce.b[0] = ((cctx->aes.ccm.l - 1) & 0x7)
- | (((cctx->aes.ccm.m - 2) >> 1) & 0x7) << 3;
- memset(cctx->aes.ccm.nonce.b + 1, 0,
- sizeof(cctx->aes.ccm.nonce.b));
- cctx->aes.ccm.blocks = 0;
-
cctx->aes.ccm.key_set = 1;
}
-
if (iv != NULL) {
- ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
memcpy(ivec, iv, 15 - cctx->aes.ccm.l);
-
cctx->aes.ccm.iv_set = 1;
}
+ /* Store encoded m and l. */
+ cctx->aes.ccm.nonce.b[0] = ((cctx->aes.ccm.l - 1) & 0x7)
+ | (((cctx->aes.ccm.m - 2) >> 1) & 0x7) << 3;
+ memset(cctx->aes.ccm.nonce.b + 1, 0, sizeof(cctx->aes.ccm.nonce.b) - 1);
+ cctx->aes.ccm.blocks = 0;
+ cctx->aes.ccm.len_set = 0;
return 1;
}
@@ -2230,8 +2216,9 @@ static int s390x_aes_ccm_cipher(EVP_CIPH
{
S390X_AES_CCM_CTX *cctx = EVP_C_DATA(S390X_AES_CCM_CTX, ctx);
const int enc = EVP_CIPHER_CTX_encrypting(ctx);
+ const unsigned char *ivec = EVP_CIPHER_CTX_iv(ctx);
+ unsigned char *buf;
int rv;
- unsigned char *buf, *ivec;
if (!cctx->aes.ccm.key_set)
return -1;
@@ -2253,7 +2240,6 @@ static int s390x_aes_ccm_cipher(EVP_CIPH
if (out == NULL) {
/* Update(): Pass message length. */
if (in == NULL) {
- ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
s390x_aes_ccm_setiv(cctx, ivec, len);
cctx->aes.ccm.len_set = 1;
@@ -2279,7 +2265,6 @@ static int s390x_aes_ccm_cipher(EVP_CIPH
* In case message length was not previously set explicitly via
* Update(), set it now.
*/
- ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
s390x_aes_ccm_setiv(cctx, ivec, len);
cctx->aes.ccm.len_set = 1;
@@ -2304,9 +2289,6 @@ static int s390x_aes_ccm_cipher(EVP_CIPH
if (rv == -1)
OPENSSL_cleanse(out, len);
- cctx->aes.ccm.iv_set = 0;
- cctx->aes.ccm.tag_set = 0;
- cctx->aes.ccm.len_set = 0;
return rv;
}
}
@@ -2414,9 +2396,6 @@ static int s390x_aes_ccm_ctrl(EVP_CIPHER
return 0;
memcpy(ptr, cctx->aes.ccm.kmac_param.icv.b, cctx->aes.ccm.m);
- cctx->aes.ccm.tag_set = 0;
- cctx->aes.ccm.iv_set = 0;
- cctx->aes.ccm.len_set = 0;
return 1;
case EVP_CTRL_COPY:
@@ -2453,7 +2432,7 @@ static const EVP_CIPHER s390x_aes_##keyl
nid##_##keylen##_##nmode,blocksize, \
keylen / 8, \
ivlen, \
- flags | EVP_CIPH_##MODE##_MODE, \
+ flags | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_##MODE##_MODE, \
s390x_aes_##mode##_init_key, \
s390x_aes_##mode##_cipher, \
NULL, \
@@ -2490,7 +2469,7 @@ static const EVP_CIPHER s390x_aes_##keyl
blocksize, \
(EVP_CIPH_##MODE##_MODE == EVP_CIPH_XTS_MODE ? 2 : 1) * keylen / 8, \
ivlen, \
- flags | EVP_CIPH_##MODE##_MODE, \
+ flags | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_##MODE##_MODE, \
s390x_aes_##mode##_init_key, \
s390x_aes_##mode##_cipher, \
s390x_aes_##mode##_cleanup, \