1 // SPDX-License-Identifier: GPL-2.0-only
42 		return -EINVAL;  in crc32_setkey()
49 	u32 *mctx = crypto_shash_ctx(desc->tfm);  in crc32_init()
57 static int crc32_update(struct shash_desc *desc, const u8 *data,  in crc32_update()  argument
62 	*crcp = crc32_le_base(*crcp, data, len);  in crc32_update()
66 static int crc32_update_arch(struct shash_desc *desc, const u8 *data,  in crc32_update_arch()  argument
71 	*crcp = crc32_le(*crcp, data, len);  in crc32_update_arch()
76 static int __crc32_finup(u32 *crcp, const u8 *data, unsigned int len,  in __crc32_finup()  argument
77 			 u8 *out)  in __crc32_finup()  argument
79 	put_unaligned_le32(crc32_le_base(*crcp, data, len), out);  in __crc32_finup()
83 static int __crc32_finup_arch(u32 *crcp, const u8 *data, unsigned int len,  in __crc32_finup_arch()  argument
84 			      u8 *out)  in __crc32_finup_arch()  argument
86 	put_unaligned_le32(crc32_le(*crcp, data, len), out);  in __crc32_finup_arch()
90 static int crc32_finup(struct shash_desc *desc, const u8 *data,  in crc32_finup()  argument
91 		       unsigned int len, u8 *out)  in crc32_finup()  argument
93 	return __crc32_finup(shash_desc_ctx(desc), data, len, out);  in crc32_finup()
96 static int crc32_finup_arch(struct shash_desc *desc, const u8 *data,  in crc32_finup_arch()  argument
97 		       unsigned int len, u8 *out)  in crc32_finup_arch()  argument
99 	return __crc32_finup_arch(shash_desc_ctx(desc), data, len, out);  in crc32_finup_arch()
102 static int crc32_final(struct shash_desc *desc, u8 *out)  in crc32_final()  argument
106 	put_unaligned_le32(*crcp, out);  in crc32_final()
110 static int crc32_digest(struct shash_desc *desc, const u8 *data,  in crc32_digest()  argument
111 			unsigned int len, u8 *out)  in crc32_digest()  argument
113 	return __crc32_finup(crypto_shash_ctx(desc->tfm), data, len, out);  in crc32_digest()
116 static int crc32_digest_arch(struct shash_desc *desc, const u8 *data,  in crc32_digest_arch()  argument
117 			     unsigned int len, u8 *out)  in crc32_digest_arch()  argument
119 	return __crc32_finup_arch(crypto_shash_ctx(desc->tfm), data, len, out);  in crc32_digest_arch()
133 	.base.cra_driver_name	= "crc32-generic",
151 	.base.cra_driver_name	= "crc32-" __stringify(ARCH),
182 MODULE_ALIAS_CRYPTO("crc32-generic");