diff options
Diffstat (limited to '')
| -rw-r--r-- | libhashsum_get_algorithm_string.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/libhashsum_get_algorithm_string.c b/libhashsum_get_algorithm_string.c new file mode 100644 index 0000000..5f910be --- /dev/null +++ b/libhashsum_get_algorithm_string.c @@ -0,0 +1,101 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +#if defined(__GNUC__) +__attribute__((__pure__)) +#endif +static int +equiv(const char *a, const char *b) +{ + while (*a && *b && *b != '[') { + if (tolower(*a) == tolower(*b) || (*b == '/' && (*a == '-' || *a == '_'))) { + a++; + b++; + } else if (*b == '-' && !isdigit(b[-1])) { + b++; + } else { + return 0; + } + } + if (!strncasecmp(a, "sum", 3)) + a = &a[3]; + return !*a && (!*b || *b == '['); +} + + +int +libhashsum_get_algorithm_string(enum libhashsum_algorithm *algorithm_out, const char *algorithm) +{ + if (equiv(algorithm, "MD2")) + *algorithm_out = LIBHASHSUM_MD2; + else if (equiv(algorithm, "MD4")) + *algorithm_out = LIBHASHSUM_MD4; + else if (equiv(algorithm, "MD5")) + *algorithm_out = LIBHASHSUM_MD5; + else if (equiv(algorithm, "RIPEMD-128") || equiv(algorithm, "RMD-128")) + *algorithm_out = LIBHASHSUM_RIPEMD_128; + else if (equiv(algorithm, "RIPEMD-160") || equiv(algorithm, "RMD-160")) + *algorithm_out = LIBHASHSUM_RIPEMD_160; + else if (equiv(algorithm, "RIPEMD-256") || equiv(algorithm, "RMD-256")) + *algorithm_out = LIBHASHSUM_RIPEMD_256; + else if (equiv(algorithm, "RIPEMD-320") || equiv(algorithm, "RMD-320")) + *algorithm_out = LIBHASHSUM_RIPEMD_320; + else if (equiv(algorithm, "SHA-0")) + *algorithm_out = LIBHASHSUM_SHA0; + else if (equiv(algorithm, "SHA-1")) + *algorithm_out = LIBHASHSUM_SHA1; + else if (equiv(algorithm, "SHA-224") || equiv(algorithm, "SHA-2-224")) + *algorithm_out = LIBHASHSUM_SHA_224; + else if (equiv(algorithm, "SHA-256") || equiv(algorithm, "SHA-2-256")) + *algorithm_out = LIBHASHSUM_SHA_256; + else if (equiv(algorithm, "SHA-384") || equiv(algorithm, "SHA-2-384")) + *algorithm_out = LIBHASHSUM_SHA_384; + else if (equiv(algorithm, "SHA-512") || equiv(algorithm, "SHA-2-512")) + *algorithm_out = LIBHASHSUM_SHA_512; + else if (equiv(algorithm, "SHA-512/224") || equiv(algorithm, "SHA-2-512/224")) + *algorithm_out = LIBHASHSUM_SHA_512_224; + else if (equiv(algorithm, "SHA-512/256") || equiv(algorithm, "SHA-2-512/256")) + *algorithm_out = LIBHASHSUM_SHA_512_256; + else if (equiv(algorithm, "Keccak-224")) + *algorithm_out = LIBHASHSUM_KECCAK_224; + else if (equiv(algorithm, "Keccak-256")) + *algorithm_out = LIBHASHSUM_KECCAK_256; + else if (equiv(algorithm, "Keccak-384")) + *algorithm_out = LIBHASHSUM_KECCAK_384; + else if (equiv(algorithm, "Keccak-512")) + *algorithm_out = LIBHASHSUM_KECCAK_512; + else if (equiv(algorithm, "SHA-3-224")) + *algorithm_out = LIBHASHSUM_SHA3_224; + else if (equiv(algorithm, "SHA-3-256")) + *algorithm_out = LIBHASHSUM_SHA3_256; + else if (equiv(algorithm, "SHA-3-384")) + *algorithm_out = LIBHASHSUM_SHA3_384; + else if (equiv(algorithm, "SHA-3-512")) + *algorithm_out = LIBHASHSUM_SHA3_512; + else if (equiv(algorithm, "SHAKE-128[]")) + *algorithm_out = LIBHASHSUM_SHAKE128; + else if (equiv(algorithm, "SHAKE-256[]")) + *algorithm_out = LIBHASHSUM_SHAKE256; + else if (equiv(algorithm, "SHAKE-512[]")) + *algorithm_out = LIBHASHSUM_SHAKE512; + else if (equiv(algorithm, "RawSHAKE-128[]")) + *algorithm_out = LIBHASHSUM_RAWSHAKE128; + else if (equiv(algorithm, "RawSHAKE-256[]")) + *algorithm_out = LIBHASHSUM_RAWSHAKE256; + else if (equiv(algorithm, "RawSHAKE-512[]")) + *algorithm_out = LIBHASHSUM_RAWSHAKE512; + else if (equiv(algorithm, "Keccak[]")) + *algorithm_out = LIBHASHSUM_KECCAK; + else if (equiv(algorithm, "BLAKE-224[]") || equiv(algorithm, "B224[]")) + *algorithm_out = LIBHASHSUM_BLAKE224; + else if (equiv(algorithm, "BLAKE-256[]") || equiv(algorithm, "B256[]")) + *algorithm_out = LIBHASHSUM_BLAKE256; + else if (equiv(algorithm, "BLAKE-384[]") || equiv(algorithm, "B384[]")) + *algorithm_out = LIBHASHSUM_BLAKE384; + else if (equiv(algorithm, "BLAKE-512[]") || equiv(algorithm, "B512[]")) + *algorithm_out = LIBHASHSUM_BLAKE512; + else + return 0; + return 1; +} |