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Unified Diff: nss/lib/freebl/intel-aes.h

Issue 214183004: Implement AES in different modes of operation, using AES-NI and (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/nss.git@master
Patch Set: Remove an assertion. ctr->cipher doesn't set *outlen. Created 6 years, 8 months ago
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Index: nss/lib/freebl/intel-aes.h
diff --git a/nss/lib/freebl/intel-aes.h b/nss/lib/freebl/intel-aes.h
new file mode 100644
index 0000000000000000000000000000000000000000..3b71e5fa648c1d55f34275368600faf7d6fb0544
--- /dev/null
+++ b/nss/lib/freebl/intel-aes.h
@@ -0,0 +1,146 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Prototypes of the functions defined in the assembler file. */
+void intel_aes_encrypt_init_128(const unsigned char *key, PRUint32 *expanded);
+void intel_aes_encrypt_init_192(const unsigned char *key, PRUint32 *expanded);
+void intel_aes_encrypt_init_256(const unsigned char *key, PRUint32 *expanded);
+void intel_aes_decrypt_init_128(const unsigned char *key, PRUint32 *expanded);
+void intel_aes_decrypt_init_192(const unsigned char *key, PRUint32 *expanded);
+void intel_aes_decrypt_init_256(const unsigned char *key, PRUint32 *expanded);
+SECStatus intel_aes_encrypt_ecb_128(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_decrypt_ecb_128(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_encrypt_cbc_128(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_decrypt_cbc_128(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_encrypt_ctr_128(CTRContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_encrypt_ecb_192(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_decrypt_ecb_192(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_encrypt_cbc_192(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_decrypt_cbc_192(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_encrypt_ctr_192(CTRContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_encrypt_ecb_256(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_decrypt_ecb_256(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_encrypt_cbc_256(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_decrypt_cbc_256(AESContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+SECStatus intel_aes_encrypt_ctr_256(CTRContext *cx, unsigned char *output,
+ unsigned int *outputLen,
+ unsigned int maxOutputLen,
+ const unsigned char *input,
+ unsigned int inputLen,
+ unsigned int blocksize);
+
+
+#define intel_aes_ecb_worker(encrypt, keysize) \
+ ((encrypt) \
+ ? ((keysize) == 16 ? intel_aes_encrypt_ecb_128 : \
+ (keysize) == 24 ? intel_aes_encrypt_ecb_192 : \
+ intel_aes_encrypt_ecb_256) \
+ : ((keysize) == 16 ? intel_aes_decrypt_ecb_128 : \
+ (keysize) == 24 ? intel_aes_decrypt_ecb_192 : \
+ intel_aes_decrypt_ecb_256))
+
+
+#define intel_aes_cbc_worker(encrypt, keysize) \
+ ((encrypt) \
+ ? ((keysize) == 16 ? intel_aes_encrypt_cbc_128 : \
+ (keysize) == 24 ? intel_aes_encrypt_cbc_192 : \
+ intel_aes_encrypt_cbc_256) \
+ : ((keysize) == 16 ? intel_aes_decrypt_cbc_128 : \
+ (keysize) == 24 ? intel_aes_decrypt_cbc_192 : \
+ intel_aes_decrypt_cbc_256))
+
+#define intel_aes_ctr_worker(nr) \
+ ((nr) == 10 ? intel_aes_encrypt_ctr_128 : \
+ (nr) == 12 ? intel_aes_encrypt_ctr_192 : \
+ intel_aes_encrypt_ctr_256)
+
+
+#define intel_aes_init(encrypt, keysize) \
+ do { \
+ if (encrypt) { \
+ if (keysize == 16) \
+ intel_aes_encrypt_init_128(key, cx->expandedKey); \
+ else if (keysize == 24) \
+ intel_aes_encrypt_init_192(key, cx->expandedKey); \
+ else \
+ intel_aes_encrypt_init_256(key, cx->expandedKey); \
+ } else { \
+ if (keysize == 16) \
+ intel_aes_decrypt_init_128(key, cx->expandedKey); \
+ else if (keysize == 24) \
+ intel_aes_decrypt_init_192(key, cx->expandedKey); \
+ else \
+ intel_aes_decrypt_init_256(key, cx->expandedKey); \
+ } \
+ } while (0)
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