diff --git a/include/crypto/sha.h b/include/crypto/sha.h
new file mode 100644
index 0000000..0686e1f
--- /dev/null
+++ b/include/crypto/sha.h
@@ -0,0 +1,53 @@
+/*
+ * Common values for SHA algorithms
+ */
+
+#ifndef _CRYPTO_SHA_H
+#define _CRYPTO_SHA_H
+
+#define SHA1_DIGEST_SIZE        20
+#define SHA1_BLOCK_SIZE         64
+
+#define SHA256_DIGEST_SIZE      32
+#define SHA256_BLOCK_SIZE       64
+
+#define SHA384_DIGEST_SIZE      48
+#define SHA384_BLOCK_SIZE       128
+
+#define SHA512_DIGEST_SIZE      64
+#define SHA512_BLOCK_SIZE       128
+
+#define SHA1_H0		0x67452301UL
+#define SHA1_H1		0xefcdab89UL
+#define SHA1_H2		0x98badcfeUL
+#define SHA1_H3		0x10325476UL
+#define SHA1_H4		0xc3d2e1f0UL
+
+#define SHA256_H0	0x6a09e667UL
+#define SHA256_H1	0xbb67ae85UL
+#define SHA256_H2	0x3c6ef372UL
+#define SHA256_H3	0xa54ff53aUL
+#define SHA256_H4	0x510e527fUL
+#define SHA256_H5	0x9b05688cUL
+#define SHA256_H6	0x1f83d9abUL
+#define SHA256_H7	0x5be0cd19UL
+
+#define SHA384_H0	0xcbbb9d5dc1059ed8ULL
+#define SHA384_H1	0x629a292a367cd507ULL
+#define SHA384_H2	0x9159015a3070dd17ULL
+#define SHA384_H3	0x152fecd8f70e5939ULL
+#define SHA384_H4	0x67332667ffc00b31ULL
+#define SHA384_H5	0x8eb44a8768581511ULL
+#define SHA384_H6	0xdb0c2e0d64f98fa7ULL
+#define SHA384_H7	0x47b5481dbefa4fa4ULL
+
+#define SHA512_H0	0x6a09e667f3bcc908ULL
+#define SHA512_H1	0xbb67ae8584caa73bULL
+#define SHA512_H2	0x3c6ef372fe94f82bULL
+#define SHA512_H3	0xa54ff53a5f1d36f1ULL
+#define SHA512_H4	0x510e527fade682d1ULL
+#define SHA512_H5	0x9b05688c2b3e6c1fULL
+#define SHA512_H6	0x1f83d9abfb41bd6bULL
+#define SHA512_H7	0x5be0cd19137e2179ULL
+
+#endif