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Diffstat (limited to 'crypto/evp/e_aes.c')
-rw-r--r--crypto/evp/e_aes.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/crypto/evp/e_aes.c b/crypto/evp/e_aes.c
index e77ad5c616..90a410b00d 100644
--- a/crypto/evp/e_aes.c
+++ b/crypto/evp/e_aes.c
@@ -1608,7 +1608,7 @@ static int s390x_aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
switch (type) {
case EVP_CTRL_INIT:
- ivlen = EVP_CIPHER_CTX_iv_length(c);
+ ivlen = EVP_CIPHER_iv_length(c->cipher);
iv = EVP_CIPHER_CTX_iv_noconst(c);
gctx->key_set = 0;
gctx->iv_set = 0;
@@ -1619,6 +1619,10 @@ static int s390x_aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
gctx->tls_aad_len = -1;
return 1;
+ case EVP_CTRL_GET_IVLEN:
+ *(int *)ptr = gctx->ivlen;
+ return 1;
+
case EVP_CTRL_AEAD_SET_IVLEN:
if (arg <= 0)
return 0;
@@ -2329,6 +2333,10 @@ static int s390x_aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
cctx->aes.ccm.tls_aad_len = -1;
return 1;
+ case EVP_CTRL_GET_IVLEN:
+ *(int *)ptr = 15 - cctx->aes.ccm.l;
+ return 1;
+
case EVP_CTRL_AEAD_TLS1_AAD:
if (arg != EVP_AEAD_TLS1_AAD_LEN)
return 0;
@@ -2847,13 +2855,17 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
case EVP_CTRL_INIT:
gctx->key_set = 0;
gctx->iv_set = 0;
- gctx->ivlen = c->cipher->iv_len;
+ gctx->ivlen = EVP_CIPHER_iv_length(c->cipher);
gctx->iv = c->iv;
gctx->taglen = -1;
gctx->iv_gen = 0;
gctx->tls_aad_len = -1;
return 1;
+ case EVP_CTRL_GET_IVLEN:
+ *(int *)ptr = gctx->ivlen;
+ return 1;
+
case EVP_CTRL_AEAD_SET_IVLEN:
if (arg <= 0)
return 0;
@@ -3303,7 +3315,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
#define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
| EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
| EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
- | EVP_CIPH_CUSTOM_COPY)
+ | EVP_CIPH_CUSTOM_COPY | EVP_CIPH_CUSTOM_IV_LENGTH)
BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, gcm, GCM,
EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
@@ -3505,7 +3517,9 @@ static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
cctx->len_set = 0;
cctx->tls_aad_len = -1;
return 1;
-
+ case EVP_CTRL_GET_IVLEN:
+ *(int *)ptr = 15 - cctx->L;
+ return 1;
case EVP_CTRL_AEAD_TLS1_AAD:
/* Save the AAD for later use */
if (arg != EVP_AEAD_TLS1_AAD_LEN)
@@ -3954,13 +3968,17 @@ static int aes_ocb_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
case EVP_CTRL_INIT:
octx->key_set = 0;
octx->iv_set = 0;
- octx->ivlen = EVP_CIPHER_CTX_iv_length(c);
+ octx->ivlen = EVP_CIPHER_iv_length(c->cipher);
octx->iv = EVP_CIPHER_CTX_iv_noconst(c);
octx->taglen = 16;
octx->data_buf_len = 0;
octx->aad_buf_len = 0;
return 1;
+ case EVP_CTRL_GET_IVLEN:
+ *(int *)ptr = octx->ivlen;
+ return 1;
+
case EVP_CTRL_AEAD_SET_IVLEN:
/* IV len must be 1 to 15 */
if (arg <= 0 || arg > 15)