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Diffstat (limited to 'plugins/signal-protocol')
-rw-r--r--plugins/signal-protocol/src/signal_helper.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/plugins/signal-protocol/src/signal_helper.c b/plugins/signal-protocol/src/signal_helper.c
index a9a96a76..74019410 100644
--- a/plugins/signal-protocol/src/signal_helper.c
+++ b/plugins/signal-protocol/src/signal_helper.c
@@ -208,14 +208,14 @@ int signal_vala_encrypt(signal_buffer **output,
const uint8_t *iv, size_t iv_len,
const uint8_t *plaintext, size_t plaintext_len,
void *user_data) {
- int algo, mode;
- if (aes_cipher(cipher, key_len, &algo, &mode)) return SG_ERR_UNKNOWN;
+ int algo, mode, error_code = SG_ERR_UNKNOWN;
+ if (aes_cipher(cipher, key_len, &algo, &mode)) return SG_ERR_INVAL;
- if (iv_len != 16 && iv_len != 12) return SG_ERR_UNKNOWN;
+ if (iv_len != 16 && iv_len != 12) return SG_ERR_INVAL;
gcry_cipher_hd_t ctx = {0};
- if (gcry_cipher_open(&ctx, algo, mode, 0)) return SG_ERR_UNKNOWN;
+ if (gcry_cipher_open(&ctx, algo, mode, 0)) return SG_ERR_NOMEM;
signal_buffer* padded = 0;
signal_buffer* out_buf = 0;
@@ -228,7 +228,7 @@ error:
if (out_buf != 0) {
signal_buffer_free(out_buf);
}
- return SG_ERR_UNKNOWN;
+ return error_code;
no_error:
if (gcry_cipher_setkey(ctx, key, key_len)) goto error;
@@ -254,6 +254,7 @@ no_error:
size_t padded_len = plaintext_len + pad_len;
padded = signal_buffer_alloc(padded_len);
if (padded == 0) {
+ error_code = SG_ERR_NOMEM;
goto error;
}
@@ -262,6 +263,7 @@ no_error:
out_buf = signal_buffer_alloc(padded_len + tag_len);
if (out_buf == 0) {
+ error_code = SG_ERR_NOMEM;
goto error;
}
@@ -287,16 +289,16 @@ int signal_vala_decrypt(signal_buffer **output,
const uint8_t *iv, size_t iv_len,
const uint8_t *ciphertext, size_t ciphertext_len,
void *user_data) {
- int algo, mode;
+ int algo, mode, error_code = SG_ERR_UNKNOWN;
*output = 0;
- if (aes_cipher(cipher, key_len, &algo, &mode)) return SG_ERR_UNKNOWN;
- if (ciphertext_len == 0) return SG_ERR_UNKNOWN;
+ if (aes_cipher(cipher, key_len, &algo, &mode)) return SG_ERR_INVAL;
+ if (ciphertext_len == 0) return SG_ERR_INVAL;
- if (iv_len != 16 && iv_len != 12) return SG_ERR_UNKNOWN;
+ if (iv_len != 16 && iv_len != 12) return SG_ERR_INVAL;
gcry_cipher_hd_t ctx = {0};
- if (gcry_cipher_open(&ctx, algo, mode, 0)) return SG_ERR_UNKNOWN;
+ if (gcry_cipher_open(&ctx, algo, mode, 0)) return SG_ERR_NOMEM;
signal_buffer* out_buf = 0;
goto no_error;
@@ -305,7 +307,7 @@ error:
if (out_buf != 0) {
signal_buffer_bzero_free(out_buf);
}
- return SG_ERR_UNKNOWN;
+ return error_code;
no_error:
if (gcry_cipher_setkey(ctx, key, key_len)) goto error;
@@ -331,6 +333,7 @@ no_error:
size_t padded_len = ciphertext_len - tag_len;
out_buf = signal_buffer_alloc(padded_len);
if (out_buf == 0) {
+ error_code = SG_ERR_NOMEM;
goto error;
}